BRPI0904871B1 - A cosmetic composition comprising a synergistic combination of a polyurethane silicone polymer and an elastomeric component and method for imparting a transfer resistant film to a biological surface. - Google Patents

Abstract

Cosmetic compositions having improved transfer resistance Cosmetic compositions and methods with improved transfer resistance and long lasting properties are disclosed. Cosmetic compositions contain a synergistic combination of at least one polyurethane silicone polymer and at least one elastomer.

Description

COSMETIC COMPOSITION UNDERSTANDING A SYNERGIC COMBINATION OF A POLYURETHANE SILICON POLYMER AND AN ELASTOMIC COMPONENT AND METHOD FOR CONFERING A TRANSFER RESISTANT FILM TO A BIOLOGICAL SURFACE 1 durability in use, and transfer resistance such as lipstick, mascara and the like.

Background of the Invention Many cosmetic and personal care products employ various film-forming agents to aid in the spreading and adherence of a formulation to a surface such as the skin. The class of polymers known as organosiloxanes, including polydimethylsiloxane (PDMS or Dimethyl-na), have recently received considerable attention as film formers in cosmetic products due to their excellent spreading properties and biological inertness. Examples of cosmetic formulations including organosiloxane film formers include, for example, U.S. Patent Nos. 6,780,402 (LOreal), 5,318,775 (Mary Kay Cosmetics), 4,699,780 (Estee Lauder) and 4,578,266 (Revlon), the disclosures of which are incorporated by reference. Recent advances have included the use of polyurethane polyurethane polymers.

For example, U.S. Patent Publication No. 2005/0238611 describes cosmetic compositions comprising a particular polyurethane silicone which is the reaction product of a silicone prepolymer with a diisocyanate. The silicone prepolymer is a polydialkylsiloxane terminated with an alkoxylated bishydroxyalkyl group, wherein the -OH reactive group is attached to a carbon atom. It is established that the use of the particular silicone-containing polyurethane provides enhanced film forming properties and confers transfer resistance. US Patent No. 6,166,093 describes polyurethane block condensation products comprising a polysiloxane graft and its use as film formers in keratinous treatment materials.

US Patent No. 5,643,581 describes cosmetic compositions comprising a multi-block polycondensate-based pseudolatex which contains a polysiloxane block and a polyurethane and / or polyurea block where the polyurethane and / or polyurea block further includes anionic or cationic groups. .

US Patent No. 6,120,753 describes skin cleansing compositions said to have moisturizing properties comprising a urethane siloxane copolymer. Despite advances in film-forming methods and compositions, there is still a need for improved transfer resistance properties and durability properties for skin and hair cosmetic compositions.

It is therefore an object of the invention to provide compositions and methods for improving the transfer resistance properties and durability properties for the skin and hair cosmetic compositions.

Summary of the Invention In accordance with the above and other objects, the present invention provides cosmetic compositions that are transfer resistant, durable and comfortable to use. More particularly, the invention relates to cosmetic compositions containing at least one polyurethane silicone polymer in combination with at least one elastomer, usually in a suitable cosmetic carrier. Compositions according to the invention may be applied to the skin, including the lips, or hair, including the eyelashes, eyebrows, scalp hair and the like * The composition provides a durable and transfer-resistant film upon contact with objects such as clothing. , napkins, etc.

In one aspect of the invention, long-lasting, transfer-resistant cosmetic compositions for application to the skin or hair are provided. Such compositions provide a lasting deposit on the skin or hair that resists degradation over time. Cosmetic compositions typically comprise: (i) at least one polyurethane silicone polymer, and (ii) at least one elastomer, wherein the weight ratio of polyurethane silicone polymer to elastomer is from about 50: 1 to about 1 : 50, typically from about 10: 1 to about 1:10, and preferably from about 5: 1 to 1: 5. The at least one elastomer will preferably be selected from the group comprising silicone gums, polyisobutylene, natural rubbers and block copolymer rubbers.

In another aspect of the invention, transfer-resistant, long-lasting cosmetic compositions comprising: (i) at least one polyurethane silicone polymer, and (ii) at least one elastomer selected from the group consisting of silicone gums, polyisobutylene , natural rubbers, rubbers and copolymer block, where the weight ratio of the polyurethane silicone polymer to the elastomer is from about 50: 1 to about 1:50, where the composition provides an improvement in at least one selected characteristic of the group consisting of water transfer resistance, oil transfer resistance, flexibility, storage modulus (G '), loss modulus (G ”), and / or loss tangent (tan (δ)). Preferably, the improvement in at least one feature will include an improvement in water transfer resistance and / or oil transfer resistance, more preferably a synergistic improvement in water transfer resistance and / or oil transfer resistance.

In another aspect of the invention, the compositions will comprise: (1) at least one polyurethane silicone polymer which is the reaction product of: (a) a hydroxyl-functionalized polydimethylsiloxane of the formula: where L is a bond or a selected group of dihydro-dihydric groups, Gi-10, n is an integer from 0 to 5,000, and (b) a diisocyanyl of formula O = C = N-R'-N = G = O, where R1 is a divalent radical selected from the group consisting of: 1) a group of formula: (ii) a group of formula: (iii) a group of formula: (iv) a group of formula: and; (v) a group of formula: and combinations thereof, and (2) at least one elastomer selected from the group consisting of silicone gums, polyisobutylene, natural rubbers and block copolymer rubbers; and (3) a cosmetically acceptable carrier, wherein the polyurethane silicone polymer and elastomer are present in a weight ratio of from about 50: 1 to about 1:50, and wherein said composition provides a synergistic improvement in resistance to water transfer, [G013] In another aspect of the invention, a method is provided for forming transfer resistant and / or long lasting films on skin or keratin fibers comprising applying a composition according to the invention. with the invention to keratin skin or fibers, wherein the composition comprises a synergistic combination of a silicone polymer and a polyurethane elastomer. The resulting film is expected to have greater durability and / or transfer resistance on the skin or keratin fibers. for a period of prolonged durability, as in about 1 to about 24 hours, compared to another identical composition which does not comprise the In a variant according to this aspect of the invention, a method for imparting a transfer resistant and / or long lasting film onto the skin or keratin fibers is provided comprising applying to the skin or fibers of keratin a cosmetic or personal care composition which includes, in a suitable vehicle, a synergistic combination of: a) at least one polyurethane silicone polymer; and b) at least one polyorganosiloxane gum with a viscosity of about 500,000 cst to about 5,000,000 cSt at 25 ° C, wherein said synergistic combination comprises a weight ratio of about 50: 1 to about 1:50 of at least one polyurethane silicone polymer with respect to at least one polyorganosiloxane gum.

In yet another aspect of the invention, a method of imparting a transfer resistant and / or long lasting film onto the skin or keratin fibers is provided which comprises applying skin keratin fibers or a cosmetic or cosmetic composition. personal hygiene comprising, in a suitable vehicle, a synergistic combination of: (a) at least one polyurethane silicone polymer; and b) at least one polyisobutylene elastomer; wherein said synergistic combination comprises a weight ratio of from about 50: 1 to about 1:50 of at least one polyurethane silicone polymer relative to a polyorganosiloxane gum.

These and other aspects of the present invention will become apparent to those of ordinary skill in the art upon reading the detailed description of the invention presented below, including representative embodiments and examples.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 shows the water transfer resistance of representative lip gloss formulations as a function of weight percent of polyurethane silicone polymer.

Figure 1 illustrates the water transfer resistance of lip gloss formulations comprising polyurethane silicone in the absence of an elastomer (♦) as a function of the amount of polyurethane silicone (% by weight) relative to the water transfer resistance of polyurethane formulations. lip gloss comprising varying concentrations of polyurethane silicone in combination with 6 wt% silicone elastomer gum (■), and a lip gloss formulation comprising polyurethane silicone in combination with 12 wt% silicone gum (A).

[0019] Figure 2 illustrates the oil transfer resistance of lip gloss formulations comprising polyurethane silicone in the absence of an elastomer (♦) as a function of the amount of polyurethane silicone (wt%) relative to the oil transfer resistance of lip gloss formulations comprising varying concentrations of polyurethane silicone in combination with 6 wt% silicone elastomer gum (■), and a lip gloss formulation comprising polyurethane silicone in combination with 12 wt% silicone gum (A) .

Figure 3 illustrates the combined oil and water transfer resistance of lip gloss formulations comprising polyurethane silicone in the absence of an elastomer (♦) as a function of the amount of polyurethane silicone (% by weight) compared to water transfer resistance of lip gloss formulations with varying concentrations ranging from polyurethane silicone in combination with 6 wt% silicone elastomer gum (■), and a lip gloss formulation comprising polyurethane silicone in combination with 12 wt% silicone gum (▲).

Figure 4 shows the storage modulus (G ') as a function of shear rate for: a polyurethane silicone polymer (A); a silicone gum elastomer (B); a polyisobutylene elastomer (C); a synergistic combination of polyurethane silicone polymer and silicone elastomer gum (D); and a synergistic combination of silicone polymer and polyisobutylene elastomer (E).

[0022] Figure 5 shows the loss tangent (tan δ) as a function of shear rate for: a polyurethane silicone polymer (A); a silicone gum elastomer (B); a polyisobutylene elastomer (C); a synergistic combination of polyurethane silicone polymer and silicone elastomer gum (D) and a synergistic combination of polyurethane silicone and polyisobutylene elastomer (E).

[Ü023] Figure 6 shows the storage modulus (G ') as a function of the shear rate for Example II Sample 1 and Sample VI Samples 21-25 lip gloss formulations.

[0024] Figure 7 shows the loss tangent (tan δ) as a function of shear rate in inverse seconds for lip gloss formulations of Example 1 Sample 1 and Sample VI Samples 21-25.

Detailed Description The present invention is based on the discovery that combinations of certain polyurethane silicone polymers and elastomers provide a synergistic result in their long lasting and transfer resistance properties for cosmetic compositions when applied to biological surfaces. As used herein, the term "biological surface" is used to include any surface to which cosmetics and personal care products are applied, including, without limitation, skin (including lips), hair (including eyelashes, eyebrows and scalp hair), and nails.

The composition generally includes polyurethane silicone polymers in combination with an elastomer. The combination of these components provides a synergistic improvement in the transfer resistance of cosmetics. By "synergistic improvement" is meant that the combination of polyurethane silicone polymer and elastomer improves one or more aesthetic characteristics over otherwise identical compositions lacking either the polyurethane silicone polymer or elastomer. Improvement can manifest itself in a variety of characteristics, but usually relates to the viscoelastic properties of the applied film. The viscoelasticity of the cosmetic film provides substantivity to the skin and, consequently, will contribute to prolonging durability, flexibility and transfer resistance to both oily and aqueous substrates. Viscoelastic properties can be quantified based on the storage modulus G ', loss modulus G', and tan loss tangent (δ), which is the ratio of G '/ G'. Thus, the synergistic improvement may be an improvement in one or more selected features of durability of use, flexibility, resistance to water transfer, resistance to oil transfer, and rheology, by which is meant an improvement in the viscoelasticity of one or more. more of the storage modules G ', loss module G ”, and tan loss tangent (δ), or any combination thereof. In a preferred embodiment, the compositions will exhibit a synergistic improvement in transfer resistance, especially water transfer resistance.

The inventive compositions are contemplated to be synergistic over any range of relative proportions of polyorganosiloxane gum to elastomer based on the observation that cosmetic properties are enhanced due to the combination of a viscous component and an elastic component. . Typically, the ratio of polyurethane silicone polymer to polyorganosiloxane gum ranges from about 50: 1 to about 1:50, more typically from about 25: 1 to about 1:25, and generally , from about 10: 1 to about 1:10. Synergistic combinations should have their most pronounced effects on the viscoelastic properties of cosmetic compositions when they are present in a weight ratio of polyurethane silicone polymer to polyorganosiloxane gum of from about 5: 1 to about 1: 5 of preferably from about 3: 1 to about 1: 3, and most preferably from about 2: 1 to about 1: 2, including a weight ratio of polyurethane silicone polymer to polyorganosiloxane gum of about 1 :1.

An essential component of the inventive compositions is a polyurethane silicone polymer. In the broadest sense of the invention, selection of the polyurethane silicone polymer is not particularly limited and will encompass any polymer comprising organosiloxane and urethane unit bonds.

In one embodiment, the polyurethane silicone polymer will be the reaction product of a hydroxyl functionalized polyorganosiloxane, preferably with two or more hydroxyl groups, with a diisocyanate moiety. Hydroxyl-functionalized polyorganosiloxane usually has the structure of Formula I: wherein R is independently selected at each occurrence from hydrogen, hydroxyl, and optionally substituted hydrocarbon groups containing from 1 to 10 carbon atoms, and especially from 1 to 10 carbon atoms. optionally substituted alkyl, alkenyl, alkynyl, aryl, alkylaryl or aryl groups; preferably R is selected from optionally substituted, branched, straight chain or cyclic groups of C1-6 alkyl and alkenyl groups, including, without limitation, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl, hexyl amyl cyclohexyl, vinyl, allyl and the like or C 1-4 aryl, alkyl-aryl, or aryl-alkyl groups, including, without limitation, phenyl, benzyl, tolyl, xylyl and the like; where each of the foregoing R groups may include optional substitution by one or more heteroatoms, including oxygen, nitrogen, phosphorus and halogen, particularly fluorine, as exemplified by fluoroalkyl (including perfluoro-roalkyl) groups, such as mono-, di- - and tri-fluoromethyl, perfluorophenyl, and the like, amino-substituted C1-4 alkyl groups, including those having the formula - (CFh) i -6-MRn2 and - (CFh) i-6-NRn- (CH2) i- and Where RN is typically hydrogen, but may be a methyl, ethyl, and the like; polyester groups, including, without limitation, polyethylene groups of formula - (CH2CH20) -n, polypropylene oxide groups of formula - (CH (CHs) CH2O) and combinations thereof, and amine oxide, phosphate, hydroxyl functionalities , ester and / or carboxylate and the like, or where R may comprise an additional group -L-OH; where L represents either a bond or a linker group, preferably L is a linker group selected from divalent hydrocarbons having from 1 to 10 carbon atoms, including alkyl, alkenyl, alkynyl, aryl, alkylaryl or divalent groups. R 1 -alkyl, as exemplified by C 1-10 alkyl groups, including, without limitation, the different groups of formula - (Chte) preferably - (CFte) te and more preferably L-CH 2 CH 2 CH 2; and where n is an integer from 0 to 5,000, preferably from 1 to 200, more preferably from 10 to 100, and most preferably from 10 to 50. Preferably R represents at least one or more occurrences of methyl, more preferably R is methyl in all or almost all of which is understood to be methyl in more than 90%, 95% or 98% of occurrences.

In one embodiment according to the invention, the hydroxyl functionalized polyorganosiloxane comprises a polydimethylsiloxane, and suitably has the structure of Formula Ia: where L and n are as defined above. In a preferred embodiment of the invention, the hydroxyl functionalized polyorganosiloxane comprises a polydimethylsiloxane, and has the appropriate structure of Formula Ib: Ib where n is as defined above.

The diisocyanate will be of the formula wherein R1 is a divalent hydrocarbon group having from 1 to 20 carbon atoms, including optional substitution with one or more heteroatoms. and in particular R 1 will be selected from optionally substituted, branched, straight chain or cyclic groups of alkyl, alkenyl, alkynyl, aryl, alkylaryl, arylalkyl or groups; including, without limitation: ΠΪ an arido of formula: (ii) a group of formula: (ii) a group of formula: (iv) a group of formula: e; fv) a stream of formula: and combinations thereof mentioned.

Suitable diisocyanates include, without limitation, toluene diisocyanate; methylene diphenyl diisocyanate, including 2,2'-MDI, 2,4'-MDI, and 4,4'-MDI; 1,6-hexamethylene diisocyanate; isophorone diisocyanate; methylene dicyclohexyl diisocyanate; xylene diisocyanate; hexane isocyanate, 3,3-dimethyl M, 4'-diphenylmethane diisocyanate; phenylene p-diisocyanate; M-phenylenediamine diisocyanate, 4,4 isopropylidene dicyclohexyl isocyanate, and so on. In a preferred embodiment, the diisocyanate is selected from the group consisting of 1,6-hexamethylene diisocyanate, methylene dicyclohexyl diisocyanate, isophorone diisocyanate and combinations thereof. In one embodiment, the diisocyanate will comprise, consist essentially of, or consist of 1,6-hexamethylene diisocyanate. In another embodiment, the diisocyanate will be composed essentially of or consisting of isophorone diisocyanate. In yet another embodiment, the diisocyanate will be composed essentially of or consisting of methylene dicyclohexyl diisocyanate.

The polyurosoyloxane polymer does not comprise repeating units derived from the hydroxy-functionalised polyorganosiloxane and the diisocyanate as an alternate copolymer AB, where The unit has the structure of Formula II: where R, L and n are previously defined with respect to Formula I, Ia and Ib, and wherein unit B has the structure of Formula III: III where R1 is as defined above, and wherein units A and B are arranged in a linear, branched or cyclic configuration. .

When the polymer is a cyclic polymer, it may be represented according to Formula IV: z where z is an integer value from 2 to 2,000. When the polyorganosiloxane-polyurethane polymer is cyclic, the propagation of the polymer is self-terminating. However, in the case of a linear polymer, termination can be achieved, for example, by allowing the polymerization reaction to proceed to completion by employing a stoichiometric excess of Formula I dihydroxyl polyorganosiloxane over the isocyanate by quenching the reaction with a monoalcohol or an amine, for example a dialkylamine, including in the reaction mixture amounts of monofunctional reagents, such as monohydroxyl polyorganosiloxane analogs of formula I, and / or mono-functional isocyanate reagents, or any other suitable method for terminating the u straight line polymerization reaction no. Thus, polyorganosiloxane polymers may have a variety of terminal groups, including, without limitation, hydroxyl groups, including the L-OH group, trialkylsilane groups, including triethylsilyl, hydrocarbons such as straight, branched or cyclic groups. alkyl or aryl which may be amines, cabinol, silanols and the like.

The polymer may also include branching or grafting points in the polyorganosiloxane where one or more R groups in Formula I or II is a group such as: where R is as defined for Formula I, R * and may represent a group -LO- which additionally couples the side chain to a Formula III unit B, which may in turn be coupled to the Formula II unit A, and so on, or R * may represent -L-OH, an R group , as defined above, or a terminative group. When the polyorganosiloxane comprises branching or grafting points of this type, they may be present as T-type or Q-type branches or grafts, where T means that only one R group on a Si atom is a polyorganosyloxane chain as shown above. and Q denotes that both twin groups R are polyorganosiloxanes. These types of polyorganosiloxane compounds are referred to as branched or grafted T-resin or Q-resin, polyurethane polyorganosiloxane copolymers.

Polyurosiloxane polyurethane polymers can also be prepared from isocyanate-functionalized prepolymers. For example, an isocyanate prepolymer may be a difunctional or multifunctional polyorganosiloxane isocyanate, such as polyorganosiloxane isocyanate, as shown below in Formula V;

V wherein R, R 1 and L are as defined above and where x is an integer from 0 to 5,000, preferably from 1 to 200, more preferably from 10 to 100, and most preferably from 10 to 50. The polymer may be multifunctional as well as by introducing additional isocyanate-bearing groups into one or more R groups. The isocyanate-functionalised polyorganosiloxane prepolymer is reacted with a hydroxyl-functionalized polyorganosiloxane prepolymer as per Formula I or a multi-functional analog thereof. The prepolymer according to Formula V usually has a molecular weight ranging from about 4,000 to about 15,000 Daltons. The prepolymer according to formulas I, Ia, Ib and usually have a molecular weight ranging from about 250 to about 15,000 Daltons.

In one embodiment, the silicone polyurethane polymer is free of, or is essentially free of polyalkylene glycol subunits, including polyethylene glycol (PEG) or polypropylene glycol (PPG) subunits. By "essentially free of" is meant that the polymer contains less than about 1 wt%, preferably less than about 0.5 wt%, and more preferably less than about 1 wt%. 0.1% by weight of polyalkylene glycol subunits.

In a currently preferred embodiment, the polyurethane siloxane polyurethane polymer for use in the cosmetic compositions of the invention is a cyclic polymer comprising the reaction product of Formula Ib with a diisocyanate selected from the group consisting of 1,6-diisocyanate. hexamethylene, methylene dicyclohexyl diisocyanate, isophorone diisocyanate and combinations thereof. An exemplary polyurethane silicone polymer is available from Siltech Corporation under the designation MR-20-41. A variety of prepolymers of formulas I, Ia and Ib, with different molecular weights and degrees of functionality, are marketed by Siltech Corporation under the tradename "Silmer OH." A variety of Formula V prepolymers with different molecular weights and degrees of functionality are marketed by Siltech Corporation under the tradename "Silmer NCO".

A second essential component of the inventive compositions is an elastomeric material, including, without limitation, silicone gums, polyisobutylene, natural rubbers, block copolymer rubbers, and the like. There is essentially no restriction on the nature of the elastomer and any cosmetically suitable elastomer is contemplated to be useful in the practice of the invention.

In one embodiment, the elastomeric material will comprise a siloxane gum, in particular a polyorganosiloxane gum. While contemplating the possibility that any polyorganosiloxane gum is appropriate for the practice of the invention, the polyorganosiloxane gum will usually have the following general structure: where R2 is independently selected at each occurrence from optionally substituted hydrocarbon groups having from 1 to 10 carbon atoms, and in particular of optionally substituted alkyl, alkenyl, alkynyl, aryl, alkylaryl, or arylalkyl groups; preferably R2 is selected from optionally substituted C1-6 alkyl or straight chain branched or cyclic groups including, without limitation, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl vinyl, amyl, hexyl cyclohexyl, allyl and the like or C 1-6 aryl groups, alkyl aryl, or aryl alkyl groups, including, without limitation, phenyl, benzyl, tolyl, xylyl and the like; wherein each of the foregoing R2 groups may include optional substitution by one or more heteroatoms, including oxygen, nitrogen, phosphorus and halogen, particularly fluorine, as exemplified by fluoroalkyl (including perfluoroalkyl) groups such as mono-, di- and tri-fluoromethyl, perfluorophenyl, and the like, amino-substituted C1- and alkyl alkyl groups, including those having the formula - (CH2) i -6-NRn2 and - (C H2) 1 -eN RN- (C H2) where RN is typically hydrogen, but may be methyl, ethyl, propyl, and the like; polyester groups, including but not limited to polyethylene groups of formula - (CHsCHaO) * -, polypropylene oxide groups of formula - (CH (CH3) CH20) n- and combinations thereof, and amine oxide, phosphate and hydroxyl, ester and / or carboxylate functionalities and the like; and optionally where R2, in one or more occurrences, may be a group: thus introducing one or more branch points into the polyorganosiloxane gum; and wherein R3 is independently selected at each occurrence from hydrogen, hydroxyl, an R1 group, or an -OR 'group; wherein R 'represents optionally substituted hydrocarbon radical having from 1 to 10 carbon atoms, including, without limitation alkyl, alkenyl, alkynyl, aryl, alkylaryl, or arylalkyl groups, preferably R' is a chain straight or cyclic branched from C1-6 alkyl group, including methyl, ethyl, propyl, isopropyl, butyl, t-butyl, amyl, hexyl, cyclohexyl and the like, optionally including one or more heteroatoms, where each of the foregoing groups may include optional substitution by one or more heteroatoms, including oxygen, nitrogen and halogen, particularly fluorine, as exemplified by fluoroalkyl (including perfluoroalkyl) groups, such as mono-, di- and tri-fluoromethyl, perfluorophenyl and the like, and the like. In which case one or more heteroatoms include one or more nitrogen, R 'may be amino-substituted C1-6 alkyl groups, including those having the formula - (CH2) i-6-NRn2 and - (CH2) ie-NRn- (CH 2) i 6-N Rn2 where RN is typically hydrogen but may be methyl, ethyl, propyl, and the like, and where n (in, if present) is an integer selected to provide a polymer with a viscosity of from about 500,000 to about 5,000. * 000 cent tokes at 25 ° C.

In one embodiment, R 2 and R 3 are selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl vinyl, amyl, hexyl, and cyclohexyl, allyl, phenyl, and combinations thereof. In a preferred embodiment all occurrences of R2 and R3 are methyl groups and the silicone gum is a polydimethyl siloxane (dimethicone). Representative silicone polydimethylsiloxane gum has the structure shown in Formula VI: [GÜ42] The polyorganosiloxane elastomeric material may include combinations of low molecular weight polymers (i.e. fluids), high molecular weight polymers (ie gums), and highly crosslinked silicones (ie resins). Combinations of the above are suitable as long as the polyorganosiloxane material exhibits characteristic elastomeric properties of the gums, ie storage module G 'does not collapse over a wide range of shear rates. These properties are enhanced when the polyorganosiloxane gum has a viscosity of about 1,000,000 centistokes to about 3,500,000 centistokes when measured at 25 ° C. In a representative embodiment, the polyorganosiloxane gum has a viscosity of about 2,500,000 centistokes at 25Â ° C. An example of a suitable commercially available polyorganosiloxane gum is GE silicones dimethicone gum SE63.

Other suitable elastomers for inclusion in the inventive compositions include polyolefin polymer, including, without limitation, polyisobutylenes. Polyisobutylenes may be prepared by cationic polymerization of isobutene and will comprise repeating units as shown below: These polymers are preferably, but not necessarily, fully saturated to impart chemical stability. Depending on the value of n, polyisobutylenes may range from a liquid to a rubber as the molecular weight increases. At low molecular weight, such as below 5,000 Daltons, the polymers tend to be liquid and at higher molecular weights, for example, greater than 100,000 Daltons, they tend to be rubbers. A suitable polyisobutylene is Permetil 98B from Presperse, Inc. case Chemical Abstracts CAS number: 9003-29-6.

The elastomeric component may include a natural rubber such as latex extracted from the Hevea brasitiensis tree. These natural rubbers consist mainly of cis-1,4-polyene repeating units of the formula: These rubbers are typically characterized by a low glass transition temperature (Tg -70 ° C) and a high shear modulus. on the storage plateau. The molecular weight of these natural rubbers is very high, usually greater than 1,000,000 Daltons.

Synthetic rubbers are also contemplated for their useful elastomeric components. Synthetic rubbers include thermoplastic block copolymer rubbers such as ABA block copolymers where A is polystyrene block of shape and B is polydienes such as polyisoprene and / or polybutadiene as shown below: [0048] In the case where R in unit B is hydrogen, the polydiene block is a polybutadiene and the resulting polystyrene copolymer block is referred to in the art as an SBS copolymer. In the case where R is methyl, the polydiene is polyisoprene and the polystyrene block copolymer is referred to in the art as a SIS copolymer. The molecular weight of block copolymers is typically in the order of 100,000 to 200,000 Daltons. It is contemplated that the SBS and SIS copolymers will be suitable elastomers for use in the inventive compositions. In these polymers, polystyrene is usually present in about 10 to about 20% of the weight of the rubber. As the minor component, the polystyrene block is believed to phase phase and form microscopic spherical domains that act as cross-linkers at each end of a polydiene polymer chain. This polystyrene component is usually glassy at room temperature (Tg ~ 100 ° C), while the polydiene component is rubbery (Tg ~ 70 ° C). The interesting elastic properties of these block copolymers arise as a result of the polydiene chains that are anchored in the polystyrene glassy domain, so block copolymers behave like crosslinked rubbers. At temperatures above Tg of the polystyrene, the glassy microscopic domains melt allowing the flow of the polymer chains, allowing for hot melt processing. All of the above properties are expected to confer unique rheological attributes of cosmetic formulations containing these materials and, in particular, they are contemplated to enhance the viscoelastic properties of cosmetics synergistically in association with polyurethane polyurethane polymers. Suitable block copolymers include, without limitation, those available from Shell Chemistry under the brand name Kraton ™ adhesives.

Cosmetic compositions will usually comprise a cosmetically acceptable carrier. By "cosmetically acceptable" is meant that the vehicle is safe for contact with human skin, and so on. It is contemplated that any cosmetically acceptable vehicle known in the art will be useful. The carrier may include water, hydrophilic and / or hydrophobic solvents. Suitable hydrophilic solvents include, but are not limited to, butylene glycol, propylene, pentylene glycol, caprylyl glycol, polyglycerol diisostearate, dimethyl siloxane / glycol copolymer, isopropyl citrate, triisostearyl myristate, or any combination thereof. Suitable hydrophobic carriers include hydrocarbon oils which may be saturated or unsaturated, aliphatic in character and straight chain or branched or contain alicyclic or aromatic rings. Examples of preferred non-polar hydrocarbons include polydecanes such as isododecane and isodecane, including, for example, Permethyl-99A (Presperse Inc.) and C7-C8 through C12-C15 isoparaffins such as those from Exxon's available Isopar Series. A representative solvent is isodecane. Silicone oils are also contemplated to be suitable carriers including, without limitation hexamethyldisiloxane (HMDS), silicone (dimethicone) polymers and cyclodimethicones. Suitable dimethicone polymers are available from Dow Corning under the name Dow Corning 200 ® 200 Fluid and have viscosities ranging from 0.65 to 600,000 centistokes. Suitable volatile nonpolar liquid silicone oils are disclosed in U.S. Patent No. 4,781,917, incorporated herein by reference in its entirety. Additional volatile silicone materials are described in Todd et al. Volatile Silicone Fluids for Cosmetics, Cosmetics and Toilets, 91: 27-32 (1976), incorporated herein by reference in its entirety. Suitable linear volatile silicones generally have a viscosity of less than about 5 centistokes at 25 ° C, while cyclic silicones have a viscosity of less than about 10 centistokes at 25 ° C. Examples of cyclomethicones of different viscosities include Dow Corning 200, Dow Corning 244, Dow Corning 245, Dow Corning 344, 345 and Dow Corning (Dow Corning Corp), and SF'1204 SF_1202 silicone fluids (GE silicones), GE 7207 and 7158 (General Electric Co.) and SWS-03314 (SWS Silicones Corp.). Polyethersiloxane copolymers are also contemplated as useful carriers including, without limitation, polyoxyalkylene ether copolymers having a viscosity of about 1200-1500 centistokes at 25 ° C, including, for example, SF1066 organosiliconated surfactant (General Electric Company).

The combination of polyurethane silicone and elastomer will typically comprise from about 0.1 wt% to about 90 wt% of the total cosmetic composition. More generally, the combination will be comprised of about 1 wt.% To about 60 wt.%, Preferably it will be comprised of about 5 wt.% To about 50 wt.% Of the total cosmetic composition.

The carrier will typically comprise from about 5% to about 95% by weight of the composition, and more typically from about 30% to about 80% by weight. In preferred embodiments, the carrier comprises from about 50% to about 70% by weight of the composition.

The compositions according to the invention may be useful in a variety of cosmetics and personal care products including, without limitation, lipsticks and lip colorants, lip gloss, mascara, transfer-resistant bases, eyeliner, eye shadow , water and sunscreens and insect repellents, skin care products, hair care products, antiperspirants and deodorants, and other cosmetic products where durable and transfer resistant films are desired.

When the product is a color cosmetic such as a lipstick, gloss, nail polish, mascara, foundation, and the like, the compositions will further comprise one or more coloring agents. It is within the skill in the art to choose coloring agents and dye combinations to produce a desired color. Coloring agents, including pigments, lacquers and dyes, are well known in the art and are disclosed in the CTFA Cosmetic Ingredient Handbook, First Edition, 1988, the content of which is incorporated herein by reference. Organic pigments include, for example, FD&C dyes, D&C dyes, including Red D & C, nos. 2, 5, 6, 7, 10, 11, 12, 13, 30 and 34, Yellow D & C No. 5, Blue No. 1, Violet No. 2. Representative inorganic pigments include, but are not limited to, metal oxides and hydroxides such as magnesium oxide, magnesium hydroxide, calcium oxide, calcium hydroxides, aluminum, aluminum hydroxide, iron oxides (a-Fe203, y-Fe2C> 3, Fe3Ü4, FeO), red iron oxide, yellow iron oxide, black iron oxide, iron hydroxides, titanium dioxide, titanium, zirconium oxide, chromium oxides, chromium hydroxides, manganese oxides, cobalt oxides, cerium oxide, nickel oxides and zinc oxides, and compound oxides and hydroxides of compounds such as iron titanate, cobalt and cobalt aluminum titanate. Other suitable dyes include ultramarine blue (i.e. sulfur-containing sodium aluminum silicate), prussian violet, manganese oxychloride blue, bismuth, talc, mica, sericite, magnesium carbonate, calcium carbonate, magnesium silicate, magnesium silicate and aluminum, quartz, titanated mica, iron oxide titanated mica, bismuth oxychloride, and so on. The dyes may be surface modified with, for example, fluoropolymers, to adjust one or more dye characteristics as described, for example, in U.S. Patent Nos. 6,471,950, 5,482,547 and 4,832,944, the contents of which are incorporated by reference. Suitable beading pigments include, without limitation bismuth oxychloride, composite materials containing titanium and guanine as a component of titanium, titanium dioxide, lower titanium oxides or titanium oxynitride as disclosed in US Patent No. 5,340,569, the content of which is incorporated by reference. The compositions may also include brightening agents.

Several loads and additional components can be added. Suitable charges include, but are not limited to silica, treated silica, talc, zinc stearate, mica, kaolin, nylon powder such as Orgasol ™, polyethylene powder, Teflon ™, starch, boron nitride, copolymer microspheres such as Expancel ™ (Nobel Industries), Polytrap ™ (Dow Corning) and silicone resin microspheres (Toshiba Tospearl ™), and so on. Functional agents may be, for example, insect repellents, UV absorbers, UV blockers, deodorants, moisturizers, conditioners, white teeth, and so on.

Additional pigment / filler includes, but is not limited to, inorganic powders, such as gums, chalk, Fuller's earth, kaolin, sericite, muscovite, phyllopite, synthetic mica, lepidolite, biotite, mica lithia, vermiculite, aluminum silicate, starch, smectite clay, alkyl and / or smectites Trialkyl ammonium aryl, chemically modified aluminum magnesium silicate, organically modified montmorillonite clay, hydrated aluminum silicate, vaporized aluminum starch, octenyl succinate, barium silicate, calcium silicate, magnesium silicate, metal tungstate, magnesium, alumina silica, zeolite, barium sulphate, calcined calcium sulphate (calcined plaster), calcium phosphate, fluorine, apatite, hydroxyapatite, ceramic powder, metallic soap (carbonate stearate) zinc, magnesium, zinc myristate, calcium palmitate, magnesium and aluminum), colloidal carbon dioxide, and boron nitride; organic powder such as polyamide resin powder (nylon powder), cyclodextrin, methyl methyl methacrylate powder, styrene and acrylic acid copolymer powder, benzogua-namine resin powder, polyethylene tetrafluoride powder and carboxyvinyl polymer, cellulose powder such as hydroxyethylcellulose and sodium carboxymethylcellulose, ethylene glycol monostearate; inorganic white pigments such as magnesium oxide; rheology stabilizers and modifiers, for example Gel Bentone and Rheopearl TT2. Other useful powders are disclosed in U.S. Patent No. 5,688,831, the disclosure of which is incorporated herein by reference.

In another embodiment, the invention is formulated as a conventional lipstick or lip colorant. Such conventional lip products include, without limitation, U.S. Pat. 6,509,009, 6,428,797, 6,261,576, 5,747,017, 5,318,775 and 4,935,228, the disclosures of which are incorporated by reference.

The compositions according to the invention may include viscosity modifying materials, structuring agents, natural or synthetic, waxes, film-forming agents, preservatives, stabilizing agents, flavors and fragrances. The compositions of the invention may optionally include other active and inactive ingredients typically associated with any of the foregoing cosmetics and personal care products, including, but not limited to, excipients, fillers, emulsifying agents, antioxidants, surfactants, film-forming agents. , gelling chelators, thickeners, emollients, humectants, moisturizers, vitamins, minerals, viscosity and / or rheology modifiers, sunscreens, keratolytics, depigmenting agents, retinoids, hormone compounds, alpha-hydroxy acids, alpha-keto acids, anti-mycobacterial agents, antifungal antimicrobial agents, antivirals, analgesics, lipid compounds, anti-allergic agents, antihistamines H1 and H2, anti-inflammatory, anti-irritants, antineoplastic, immune system boosters, immune system agents repression, anti-acne agents, anesthetics, antiseptics, insect repellents, compounds skin cooling, skin protectors, skin penetration enhancers, exfoliating agents, lubricants, perfumes, dyes, coloring agents, depigmenting agents, hypopigmenting agents, preservatives, stabilizers, pharmaceutical agents, photostabilizers, and mixtures thereof. In addition to the foregoing, the personal care products of the invention may contain any other compound for treating skin conditions.

The composition according to the invention is expected to achieve greater durability and / or transfer resistance and to remain in the skin or hair for a prolonged durability, as in about 1 to about 24 hours. The composition is also expected to maintain transfer resistance and / or extended durability properties for a period of extended durability, such as from about 1 hour to about 24 hours. Usually a long term wear period can be around 8 to 24 hours. Preferably, the extended durability may be from about 8 to about 12 hours. An alternative period of extended durability may be from about 12 to about 24 hours.

A variety of methods of assessing transfer resistance and prolonged durability are known in the cosmetic arts, such as dry smudging, oil smudging and smear testing. For example, U.S. Patent

No. 6,071,503 discloses various methods of evaluating cosmetic properties, the disclosure of which is incorporated herein by reference.

Enhanced Cosmetic Properties The combination of a polyurethane silicone polymer and an elastomer in a cosmetic formulation provides synergistic results on the cosmetic properties, in particular substantivity or adhesive strength, of the cosmetic formulation to a selected surface. The flow and deformation behaviors of the lip gloss formulation directly influence its long lasting properties, resistance transfer properties. Polyurosiloxane polyurethane polymers are by nature viscous materials, while elastomers are by definition highly elastic. The synergistic combination of the present invention includes an elastic component from the elastomers to balance the viscosity of the polyorganosiloxane polyurethane polymer. As discussed below, it is believed that the balanced viscoelasticity of the lip gloss formulation provides greater substantivity to the skin and therefore will contribute to the long lasting durability, flexibility, and transfer resistance of the lip gloss formulation under both oily and aqueous conditions. .

Balanced viscoelastic properties are expected to improve transfer resistance and provide good substantivity for lip gloss formulation. Increased elasticity provides improved lip gloss formulation resistance to transfer, but as elasticity increases, the polymeric chains of the material become more complicated, resulting in a loss of surface adhesion. Viscosity is related to the glass transition temperature (Tg) of a material through the well-known Williams-Landel-Ferry (WLF equation). With increasing viscosity, the glass transition temperature (Tg) also increases. An increase in glass transition temperature (Tg) results in a more fragile cosmetic product, especially where Tg is above the temperatures typically encountered by a cosmetic product (eg, room temperature or body temperature). The decrease in viscosity provides a lower glass transition temperature (Tg) and a more adherent but more transferable material at the temperatures typically encountered by a cosmetic product. Viscoelastic properties can be quantified based on storage modulus G ', loss modulus G', and tan loss tangent (δ), which is the ratio of G '/ G'.

In general, a material can respond to shear force by (1) storing recoverable elastic energy or (2) dissipating unrecoverable viscous brown. Storage modulus (G ') quantifies elastic behavior and reveals the ability of the polymer system to store elastic energy associated with recoverable elastic deformation whereas loss modulus (G ") measures viscous dynamic behavior that relates to dissipation. irrecoverable viscous loss The loss tangent (tan δ), which is the ratio of the loss modulus to the storage modulus, compares the ratio of the lost energy to the energy stored in a deformation cycle and provides a comparative parameter that combines both the elastic and viscous contributions of the system (ie, viscoelasticity). The relationship between G ', G "and tan δ is: [0063] Lip gloss formulations typically find low levels of shear forces. during use. It would be particularly desirable to impart improved transfer resistance and good substantivity to lip gloss formulations at shear rates typically experienced during use, such as from about 0.1 to about 1 s -1. Preferably, lip gloss formulations may demonstrate improved transfer resistance and good substantivity at shear rates of from about 0.1 to 2.5 sec -1. More preferably, lip gloss formulations may demonstrate improved transfer resistance and good substantivity at shear rates of from about 0.1 to about 5 s'1. Even more preferably, lip gloss formulations may demonstrate improved improved transfer resistance and good substantivity at shear rates of from about 0.1 to about 10 s -1. Most preferably, lip gloss formulations may demonstrate improved improved transfer resistance and good substantivity at shear rates of from about 0.1 to about 15s1.

Lip gloss formulations typically encounter higher levels of shear stress during application to the skin. At high shear rates, it is particularly preferable for the lip gloss formulation to become more deformable so that the consumer can easily apply and spread the lip gloss formulation to cover a selected surface. Thus, it is particularly desirable for the lip gloss formulation to become more viscous with shear rates typically encountered during application to the skin, for example, shear rates from about 1 s_1 to about 100 s -1. Preferably, the lip gloss formulation becomes more viscous with shear rates of about 2.5 s -1 to about 90 s -1. More preferably, the lip gloss formulation becomes more viscous with shear rates from approximately 5 sec -1 to about 80 sec. Most preferably, the lip gloss formulation becomes more viscous with shear rates from about 10 s_1 to about 70 s_1.

Viscoelastic properties may be characterized, for example, by a loss tangent, tan (δ) which is substantially linear or stable over the largest possible number of shear rates, but exhibits a pronounced, discontinuous increase in shear rates. shear typically encountered during application to a selected surface. In addition, at shear rates typically encountered during use, the balanced lip gloss formulation exhibits viscoelastic properties, for example having a loss value tangent within a range of about 1 to about 10. The loss tangent it may be substantially linear or stable and has a value from about 1 to about 10 at shear rates of about 0.1 to about 15 s1, preferably from about 0.1 to about 20 s * 1, more preferably from about 0.1 to about 30 s -1, and even more preferably from about 0.1 to about 70 s -1. By "substantially linear or stable" means that the curve of G \ G ", or tan (δ) versus shear rate does not show a steep, discontinuous rise over a given range of shear rates.

Example I

Lip Gloss A long-lasting, transfer-resistant lip gloss having a synergistic combination of polyurethane silicone polymer and gum and silicone elastomer is provided in Table 1. Lip gloss can be used alone as a lip gloss. of extended durability and transfer resistance, or as a base coat under a clear or dyed finish coat. An optional coating formulation is also provided in Table 1. The optional finishing coating may be employed to improve gloss and / or hydration without substantially removing the base coat.

Table 1 EXAMPLE II

The effect of the addition of silicone gum to a lip gloss formulation containing a polyurethane silicone copolymer has been investigated with respect to the transfer resistance of a lip care product. Two samples of a lip gloss formulation were prepared according to Table 2.

The polyurethane silicone polymer is a commercial product, sold under the designation MR-20-41 (Siltech Corporation), which is available as an IDD solution at about 40 wt%. Similarly, silicone gum is a commercial product sold under the tradename SE63 (GE silicones) and is available as an IDD solution at about 50% by weight. Table 2 below shows the converted weights representing the% weight of pure polyurethane silicone copolymer and pure silicone gum in each sample formulation (ie, in the absence of IDO).

The water and oil transfer resistance of the Formulations of Samples 1 and 2 were examined compared to commercial Lipfinity ™ (Procter & Gamble) and Lip Polish ™ (Maybelline) lip staining products using a modified test protocol. transfer resistance of US Patent No. 6,074,654, the disclosure of which is incorporated herein by reference. The assay protocol is described below. Transfer Resistance Test Method [Q070) This method can be used to determine the transfer resistance properties in water and oil and the adhesion properties of a cosmetic film. This test predicts the ability of a plastic film to resist color transfer to objects in contact with the skin. Objects such as clothing, handkerchiefs or tissues, napkins and utensils such as cups, cups and table wear, and fingers or oily objects such as oily foods.

Films formed from cosmetic compositions have a degree of transfer resistance directly proportional to the hardness and solvent resistance of the film. Hardness and solvent resistance can be expressed as a function of smudge and smear testing as described below.

Equipment (1) glass plates; (2) Collagenous casing of sausages such as Nippi Casing F Grade; (3) constant humidity chamber set to 95% relative humidity; (4) Utility Knife; (5) Ruler; (6) Single sided adhesive tape; (7) Double-sided adhesive tape; (8) 25 micron slotted drawbar; (9) Styrofoam white dinner plate such as Amoco Selectables ™ Plastic DL ® Plastic Tableware; (10) 3.81 cm (1.5 inch) diameter circular metal perforator; (11) weight of kg; (12) vegetable oil; (13) Cosmetic brush tip applicator and (14) Fuzz free handkerchief such as Kimwipes ® EX-L.

Procedure: (1) Prepare a 7.62 x 10.16 cm (3 x 4 inch) sheet of collagenous sausage wrapper by moisturizing it in a 90% relative humidity chamber for at least 24 hours; (2) Remove the collagen sheet for ambient conditions and immediately wrap tightly around the glass plate. Attach the collagen sheet to the glass with tape. The collagen surface should be flat and wrinkle free; (3) Allow collagen-wrapped side to equilibrate at ambient conditions for about 24 hours; (4) Apply thin, uniform (1 mm) films of a sample of the cosmetic composition on collagen; (5) Allow cosmetic samples on the surface of the collagen to stand under ambient conditions for about one hour; (6) Using a pipette, drop three drops of vegetable oil onto samples located on the right side of the collagen surface. Using another pipette, drip three drops of water on the left side of the collagen surface. Right side samples are used to determine oil transfer resistance, while left side samples are used to determine water transfer resistance of the cosmetic composition sample; (7) Separately for the oil and water sections, distribute the oil or water evenly over the surface of each sample of cosmetic film using lightly brushing cosmetic brush applicators; (8) Allow the solvent to remain on the film at rest for about 15 minutes; (9) Using a lint-free handkerchief, carefully absorb excess solvent from the surface of each sample of the cosmetic film. Apply as little pressure as possible during this step; (10) Cut two Styrofoam white dinner plate discs using a 3.81 cm (1.5 inch) diameter circular puncher a clean, white Styrofoam plate with a 1.5 inch diameter circular punch. The surface and edges of each disc must be stable and uniform; (11) Securely fasten with double-sided adhesive tape each disc from step (10) to the bottom surface of a weight of 1 kg; (12) Position the weight on top of the cosmetic samples applied to the collagen surface from step (5) above so that a first disc is in contact with the oily section of the film (ie the right side of the surface of the collagen). collagen) and a second disc is in contact with the aqueous section of the film (ie the left side of the collagen surface). It is important to position the weight delicately so that excess force above 1 kg is not applied; (13) Keeping the top of the 1kg weight firm, carefully rotate each disc 360 degrees while maintaining the 1kg force on the film. Do not lift or press the weight toward the film while moving. of rotation relative to weight. The full 360 degree rotation is preferably completed within a time period of between 3 and 5 seconds; (14) Lift the weight vertically from the film surface and carefully remove the disc from the weight avoiding damage to the disc; (15) The color transfer on each disc is visually assessed by comparing discs obtained with commercial products. Commercial products serve as positive and negative control parameters. The positive control is the Lipfi-nity ™ product and the negative control is the Lip Polish ™ product and (16) The criteria used in the "Star Rating System" to measure the degree of transfer is presented in Table 3.

Table 3 [G072] Results indicate that the lip gloss formulations of Example 1 have equal or better transfer resistance in water and oil than the negative control (Lip Polish ™). However, only Sample 2 has better water and oil transfer resistances than the positive control (Lipfinity ™). Results are quantified against the Star Rating system as shown below in Table 4.

The results indicate that the combination of polyurethane silicone and silicone gum (Sample 1) is superior in water and oil transfer resistance compared to polyurethane silicone beaker alone (Sample 2). Notably, the addition of silicone gum to Sample 2 resulted in a noticeable improvement in water and oil transfer resistance over Sample 1.

Example III

Based on the results described in Example II, Samples 3 to 10 were prepared to investigate the synergistic properties of polyurethane silicone copolymer and elastomers (eg silicone gum and / or polyisobutylene). polyurethane in the absence of elastomers Whereas samples 4 and 5 include both elastomers in the absence of a polyurethane silicone, samples 6 to 10 include various combinations of polyurethane silicone and elastomers.

Polyurethane silicone is a commercially available product, sold under the designation MR-20-41 (Siltech Corporation), which is available from IDD at about 40% by weight. Similarly, SE63 silicone gum (GE silicones) is also available in IDD at about 33% by weight. In addition, polyisobutylene is sold commercially under the name Permetil 98B (Presperse, Inc.) and is available as a 50% DDI solution. Table 5 below provides the converted weights representing the% by weight of pure polyurethane silicone bead, pure silicone gum, and / or pure polyisobutylene in each formulation sample (i.e., in the absence of IDD).

It has been observed that the lip gloss formulation, which has 18% by weight of polyurethane silicone copolymer in the absence of any elastomer (ie, sample 3), was a relatively unstable formulation and demonstrated phase separation. minimize the potential for experimental error (ie, phase separation of the formulation induces measurement of measurements obtained through the transfer resistance test) and to improve the reliability of the results, two identical samples (Samples 3A and 3B) with This formulation has been prepared.

Contrary to what was observed for Example 1 Sample 1, Sample 3A provided relatively high oil transfer resistance, showing a Star Rating of 4, but provided an unusually high water transfer resistance, giving a Star rating out of 5. This result is believed to be false as the phase separation was clearly visible in Sample 3A prior to transfer resistance measurements, which compromised the accuracy and reliability of the transfer resistance test. Measurements generated using 3A sample were therefore discarded.

The remainder of the measurements were performed using sample 3B, which did not suffer from phase separation. The water and oil transfer resistance test was repeated nine times for Sample 3B. The nine water transfer resistance tests yielded 2, 5 measurements of 3 and a measurement of 4 in the Star Rating system. The nine oil transfer resistance tests yielded two measurements of 3, five measurements of 4, and two measurements of 5. The transfer resistance data for Sample 3, as shown in Table 6 and discussed below, is represented by the average resistance of transfer of the nine tests from Sample 3B.

Water and oil transfer resistance properties of samples 4 to 10 were also obtained using the method described in Example II. These samples do not visibly show any phase separation during the transfer resistance tests. Results for samples 4 through 10 are quantified against the Star Rating system, as shown below in Table 6.

Table 6 ___________________________________________________________ 'Sample 3 is represented by the average Star Rating value of the 9 transfer resistance tests for Sample 3B.

The results indicate that the polyurethane silicone polymer and silicone gum in lip gloss formulations act synergistically to impart resistance to water transfer. As shown in Table 6, the combination of polyurethane silicone and silicone gum in samples 6 and 10 are superior based on water transfer resistance for both samples 3 and 4, which do not include this synergistic combination. Both samples 6 and 10 provide a Star Rating of 5 for water transfer resistance, while Sample 3 has a lower Star Rating of 2.8 and Sample 4 shows a modestly lower Star Rating of 4 for resistance to water transfer.

[0081] The results also demonstrate that the combination of polyurethane silicone polymer, silicone gum, and polyisobutylene synergistically improves resistance to water transfer. As shown in Table 6, samples 8 and 9 were found to be superior based on water transfer resistance over Samples 3, 4 and 5, which do not include this synergistic combination. Both samples 8 and 9 show a Star Rating of 5 for water transfer resistance while Sample 3, 4 and 5 show lower Star Rating of 2.8, 4 and 1, respectively.

The results also clearly show that the silicone polymer and polyisobutylene polyurethane in lip gloss formulations act synergistically to impart resistance to oil transfer. Sample 7, which comprises a combination of polyurethane silicone and polyisobutylene, gives superior oil transfer resistance compared to sample 3, which comprises polyurethane but not elastomeric silicone, and sample 5, which comprises polyisobutylene but not polyurethane silicone. Notably, Sample 7 provides a Star Rating greater than 5 for oil transfer resistance versus oil transfer resistance of samples 3 and 5.

During normal conditions of use, a lip gloss formulation may be exposed to both aqueous and oily conditions. Often, the lip gloss formulation may be exposed to both water and oil at or near the same time, such as during food and beverage consumption. To predict the overall ability of a plastic film to resist color transfer to objects in contact with the skin under normal use, including exposure to water and oil, lip gloss formulations can also be evaluated using a parameter for combined transfer resistance, which is defined by the sum of the transfer resistance of water resistance and the oil transfer resistance of each sample.

The combined transfer resistance of samples 3 to 10 were obtained by the sum of the water transfer resistance and the oil transfer resistance of each sample. The transfer resistance for sample 3 was obtained by summing the average transfer resistance in water and the average oil transfer resistance of the nine transfer resistance tests described above. The combined transfer resistance for Samples 3 to 10 are provided based on the Star Rating system as shown below in Table 7.

Tabea 7. 1 Sample 3 is the average Star Rating value of 9 transfer resistance tests for Sample 3B.

[0085] The results show that the combination of po-liurethane silicone polymer and elastomer in a lip gloss formulation gives synergistic transfer resistance based on the combined transfer resistance parameter. As shown in Table 7, samples 6 to 10, which comprise a combination of polyurethane silicone with at least one elastomer, exhibit overall superiority based on combined transfer resistance, compared to samples 3, 4, and 5, which do not include such a combination. .

Example IV

Samples 11 through 17 were prepared to investigate the effect of different amounts of polyurethane silicone on the transfer resistance of a lip care product. The polyurethane silicone polymer for samples 11 through 17 is the same as the polyurethane silicone polymer listed in Example 11, which is a commercial product, sold under the designation MR-20-41 (Siltech Corporation) and available as a solution in IDD by about 60% by weight. Table 8 below shows the converted weights representing the% by weight of pure polyurethane silicone copolymer in each sample formulation (ie, in the absence of IDD).

Table 8 Water and oil transfer resistance properties were obtained using the method described in Example II. These samples also showed no phase separation during the transfer resistance tests. The combined transfer resistance as defined above in Example 111 was obtained by calculating the sum of the water transfer resistance and the oil transfer resistance of each sample. Results for samples 11 through 17 are quantified against the Star Rating system as shown below in Table 9.

Table 9

1 Sample 3 is represented by the average Star Rating of the 9 Sample 3B transfer resistance tests.

In contrast, the resistance to water transfer appears to be independent of the concentration of polyurethane silicone, yielding a value of about 3 Vote units at a greater than 4 times the concentration range. In contrast, dose response for oil transfer resistance increased at low concentration, then plateaus increased by 10% by weight.

Samples 18 to 20 were prepared to investigate the effect of different amounts of polyurethane silicone, with the presence of silicone gum, on the transfer resistance of a lip care product. The polyurethane silicone polymer for samples 18 through 20 is the same as the polyurethane silicone used for samples 3 through 17. All materials used in the formulations in Table 10 are the same as described above and all weights represent the percentage of weight of pure materials. _________Table 10 ._____________________________________________ [0090] Water and oil transfer resistance properties were obtained using the method described in Example II. The combined transfer resistance as defined above was obtained by summing the water transfer resistance and the oil transfer resistance for each sample. Results, quantified against the Star Rating system, are shown below in Table 11.

Table 11

[0091] Figure 1 illustrates the water transfer resistance of lip gloss formulations comprising polyurethane silicone in the absence of an elastomer, for example lip gloss formulations shown in Table 8 (Samples 3 and 1117), with the symbol (♦ ) as a function of the amount of polyurethane silicone (% by weight). The water transfer resistance of lip gloss formulations comprising different concentrations of 6% by weight silicone gum polyurethane silicone is represented by the symbol (■). As can be seen, the water resistance transfer curve of (■) is above the water transfer resistance curve of (♦) at all data points, demonstrating that the addition of silicone gum improves the resistance to water. water transfer of a lip gloss formulation comprising a polyurethane silicone copolymer. The water transfer resistance for a lip gloss formulation comprising polyurethane silicone and 12 wt% silicone gum (Sample 10), as shown with symbol (A) in Figure 1, is also above the resistance curve. water transfer of (♦), further illustrating this broad synergy. The water transfer resistance for Sample 4 comprising silicone gum in the absence of the polyurethane silicone polymer is also illustrated in Figure 1 by a dotted line. This dotted line is provided for comparison, but does not represent the water transfer resistance of the samples, including polyurethane silicone.

The dose-response curve of the samples in Table 8, represented by (♦), shows that the water transfer resistance of lip gloss formulations comprising polyurethane silicone in the absence of elastomer is independent of the amount of polyurethane silicone present throughout. of polyurethane silicone concentrations from about 4 wt% to about 18 wt%, each concentration giving a Star Rating of 3, except for sample 3, which is however very close to 3 (average Star Rating 2.8). As discussed above, the relative instability of the 18% by weight lip gloss formulation of polyurethane silicone alone probably gives rise to the smallest experimental deviation observed for this example, but is not to be considered significant.

The results show that lip gloss formulations comprising polyurethane silicone and silicone gum in the ratio 1: 2 and 2: 1 demonstrate a synergistic improvement in water transfer resistance. Notably, Sample 6 (■), which includes polyurethane silicone and silicone gum in a ratio of 2: 1, and Sample 10 (A), which includes polyurethane silicone and silicone gum in a ratio of 1: 2, both show a Star rating of 5 compared to lip gloss formulations of Table 8 (♦), and water transfer resistance for a lip gloss formulation comprising 18% by weight of silicone gum represented by the line dotted horizontal on moderately lower Star rating of 4.

[0094] Figure 2 illustrates the oil transfer resistance of lip gloss formulations of Table 8 and Table 10, as a function of the concentration of po-liurethane silicone. Lip gloss formulations comprising varying amounts of polyurethane silicone (without elastomer) are represented by symbol (♦), and formulations comprising varying amounts of polyurethane silicone with 6 wt% silicone gum are represented by symbol (■). The water transfer resistance for sample 10 comprising polyurethane silicone and 12% silicone gum is shown with symbol (A). The oil transfer resistance for Sample 4 is illustrated with a dotted line as a representative lip gloss formulation comprising silicone gum in the absence of the polyurethane silicone polymer.

[0095] The results suggest that silicone polymer and silicone gum polyurethane in lip gloss formulations act synergistically to impart resistance to oil transfer. The oil transfer resistance curve (♦) progressively increases with polyurethane silicone concentrations from 4 wt.% To 12 wt.% And polyurethane silicon concentrations above 10 wt.%, More specifically, polyurethane silicone concentrations between 12 and 12 wt. % by weight and 18% by weight, the resistance oil transfer resistance curves go to Star Rating plateaus of 4. As can be seen in Figure 2, the synergistic combination transfer oil resistance curve (■) It is above the resistance curve of the polyurethane silicone transfer oil alone (♦) for all data points and is also superior to the oil transfer resistance to 18% of the weight of the silicone gum (dotted line). Notably, in 12% by weight polyurethane silicone, the synergistic combination (■) has a Star Rating of 5, exceeding the oil transfer resistance observed in lip gloss formulations comprising polyurethane silicone in the absence of an elastomer (♦), which increases at low concentrations of polyurethane silicone, but has plateaus in the moderate 4 star rating. Similarly, sample 10 (A) is superior to oil-based transfer resistance with respect to: (1) the lip gloss formulations of Table 8 (♦); and (2) Sample 4, represented by the minimum dotted horizontal line of Star Rating of 1.

Figure 3 illustrates the combined transfer resistance of lip gloss formulations of frames 8 and 10 as a function of polyurethane silicone concentration, where polyurethane lip gloss formulations comprising silicone elastomer but not of table 8 are represented by symbol (♦) and lip gloss formulations of Table 10 comprising polyurethane silicone and 6% by weight of silicone gum are represented by symbol (■). Sample 10 comprising polyurethane silicone and 12 wt% silicone gum is illustrated with the symbol (A) in Figure 3. The transfer resistance for Sample 4 comprising silicone gum in the absence of the polyurethane silicone polymer is illustrated with a dotted line.

The combined transfer resistance curve (♦) progressively increases with concentrations of polyurethane silicone from 4 wt% to 12 wt%. At polyurethane silicone concentrations between 12 wt% to 18 wt%, the oil transfer resistance curve plateau at about 7 Star Rating. As shown in Figure 3, at 18 wt% (Sample 3) , the combined transfer resistance of (♦) deviates slightly below the Star Rating of 7 while other samples above 12% (weight Samples 11-13) show a Star Rating of 7 although this difference is not considered significant. .

[0098] The results suggest that silicone polymer and silicone gum polyurethane in lip gloss formulations act synergistically to impart transfer resistance based on the combined petroleum parameter and resistance to water transfer. The addition of lip gloss silicone gum formulations comprising polyurethane silicone provides overall superiority based on the combined transfer parameters in water and oil transfer resistance compared to lip gloss formulations without the synergistic combination of the present invention. As shown in Figure 3, the combined transfer resistance curve (■) is above the combined transfer resistance curve (♦) for all data points and is also higher than the transfer resistance for 18% by weight of gum. silicone (sample 4) as represented by the dotted line. In particular, and above 6% by weight of polyurethane silicone, the combined transfer resistance curve (■) exceeds the combined transfer resistance observed for lip gloss formulations comprising polyurethane silicone in the absence of an elastomer (♦). Similarly, sample 10 (A) is superior based on the combined oil and water transfer resistance as compared to the water transfer lip gloss formulations relative to the lip gloss formulations of Table 8 (♦) and Sample 4 (dotted line).

Example V

[0099] Frequency Scan Rheology Test [00100] Viscoelastic properties, which quantify flow and deformation behaviors, have been examined for (A) polyurethane silicone, (B) silicone gum, (C) polyisobutylene, (D) polyurethane silicone with gum, and (E) polyisobutylene polyurethane silicone using a frequency rheology assay, the frequency rheology assay examines the effect of shear rate or strain rate on the microstructural properties of a material through the response of the material to a range of shear rates. Specifically, the frequency scan rheology test described below measures the storage modulus (G ') and the loss modulus (G ") as a function of shear rates.

A Paar Physica USD200 Universal rotational rheometer was used to measure the storage module (G ') and the loss module (G ") of each sample. The storage module (G') and the loss module (G ") for each sample was measured at different shear rates ranging from 0.1 s_1 to 100 s-1. The measurements were obtained using a cone and plate geometry, where each sample is placed on a fixed rheometer plate, while a moving cone is placed in contact with the sample and shear is applied to the sample. Each sample is maintained at a temperature of 33 ° C, the storage modulus (G ') and the loss modulus (G ") are measured at different shear rates.

A frequency scan test that measures the storage module (G ') was conducted for the MR-20-41 polyurethane silicone compositions (Siltech Corporation) (40 wt.% In IDD) (A), gum. SE63 silicone (GE silicones) (50 wt%, IDD) (B), and Permetil 98B polyisobutylene (Presperse, Inc.) (50 wt% in IDD) (C). Frequency sweep testing was also performed for the mixed compositions of polyurethane silicone (22.2 wt%) silicone glue (22.2 wt%) in IDD (D) and polyurethane silicone (22.2 wt%). by weight) with polyisobutylene (22% by weight) in IDD (E). The frequency scan test results for the storage modulus (G ') and loss tangent (tan δ) of these compositions are illustrated as a function of the frequency, or shear rate, in Figures 4 and 5, respectively. At high shear rates, the loss tangent (tan δ) appears plateau at around 106, but this is only a limitation of the rheometer used and represents the maximum measurable loss tangent at these values. At present, the loss tangent will take the form of a tangent function with a vertical asymptote.

Polyurethane polymethylsiloxane has no balanced viscoelastic properties because, although it is very viscous, it is poorly elastic. Figure 4 shows the storage modulus G 'of a representative polydimethylsiloxane polyurethane, MR-20-41 polyurethane silicone (Siltech Corporation) (40 wt% in IDD) (A), as a function of shear rate in second inverse . As can be seen from Figure 4, the storage module G 'of polyurethane silicone (A) collapses sharply at low shear (below 1 s_1) indicating that even at low shear rates the polymer has poor elasticity but high viscosity. The sharp drop of the storage module G 'for this material is due to the dissipation of energy stored in the system in the form of heat due to the viscous nature of the polymer. In other words, with low shear rates, the loss modulus G "becomes too large.

Elastomers are by definition highly elastic and are therefore characterized by a storage modulus G 'which is relatively constant or increasing over a wide range of shear rates, for example shear rates of 0, 1 to 50 s_1 or 0.1 to 100 s_1 or even higher. The elastomers do not collapse in storage modulus G 'at low shear rates as can be seen with the polyorganosiloxane-polyurethane polymer (A). In contrast, elastomers maintain relatively constant values for storage modulus G 'over a wide range of shear rates. The storage module G 'of a representative silicone gum elastomer, SE63 (GE silicones) (50% IDD weight) (B), remains highly elastic over a wide range of shear strips, including and beyond. 100 s'1. Another example of an elastomer is a Permetil 98B polyisobutylene (Presperse, Inc.) (50% IDD weight) (C), which remains highly elastic over a wide range of shear rates and storage module G 'collapses only. at shear rates close to 100 s-1.

The inclusion of elastomers in the cosmetic composition imparts an elastic component for balancing the viscosity of the polyorganosiloxane polyurethane polymer, providing a cosmetic composition with ideal visco-lactic properties. As seen in Figure 4, mixed representative compositions (D and E) comprising which includes polyurethane silicone and elastomer demonstrate relatively linear storage modulus (G ') at low shear rates (from about 0.1 to about 10 s1). ), corresponding to the range of shear rates typically encountered during use, and begin to collapse at shear rates between about 10 to about 100 s_1, which correspond to a range of shear forces typically encountered during application of the shear. cosmetic makeup to the skin. Thus, mixed compositions begin to transition from having balanced viscoelastic properties to having predominantly viscous properties at these higher shear rates, and thus exhibiting beneficial viscoelastic properties at the shear forces typically encountered during use, but allowing for excellent cost-effectiveness during use. the application of cosmetics. As shown in Figure 5, mixed representative compositions (D and E) also demonstrate desirable viscoelastic properties, as quantified by having a tangent loss value of about 1 to about 10, for low shear rates and a sharp, discontinuous rise occurring at shear rates from about 10 to about 100 S "1.

Example VI

Cosmetically optimized lip gloss formulations, Samples 21 through 25, were prepared according to the formulations shown in Table 12, which provides the converted weights representing the% by weight of pure polyurethane silicone copolymer, pure silicone gum, and / or pure polyisobutylene in each sample formulation (ie in the absence of IDD). Samples 21 and 25 comprise elastomer, but not polyurethane silicone copolymer. Samples 23 and 24 comprise 18.00 wt% silicone polymer and polyurethane or 9.33 wt% silicone gum or 14.00 wt% polyisobutylene, respectively. Sample 22 comprises a combination of polyurethane silicone copolymer, silicone gum and polyisobutylene.

Water and oil transfer resistance properties were obtained using the method described in Example II. Results for samples 21 through 25 are also quantified against the Star Rating system as shown in Table 13. .

Table 13 A storage module (G ') and loss module (G ") measurement frequency scan test was conducted for Example 1 of Example 1 and Samples 11-15. Frequency scanning for the storage modulus (G ') and loss tangent (tan δ) of these compositions are illustrated as a function of the shear rate in Figures 6 and 7, respectively. [00109] Cosmetically optimized lip balances begin the transition from having elastic properties to having viscous properties above the shear rates typically found during use, about 0.1 to about 10 s \ for all samples except sample 1, indicating that formulations have desirable viscoelastic properties and consequently greater skin substantivity.As shown in Figure 6, sample 22 demonstrates relatively linear storage modulus (G ') at low shear rates (from about 0.1 to about 10 s '), corresponding to the range of shear rates typically encountered during use, but begins to collapse at a shear rate of about 22 s' which is within a range. of shear forces normally required for application of the cosmetic composition to the skin. Samples 23 and 24 also show the relatively linear modulus of storage at low shear rates, and begin to collapse at shear rates of about 32 s_1 and about 15 s \ respectively. Thus, lip gloss formulations with the synergistic combination of the invention (Samples 22-24) are expected to have good skin substantivity during use, but will also be easy to apply. As shown in Figure 7, cosmetically optimized lip gloss formulations with the synergistic combination (samples 22, 23 and 24) also demonstrate desirable viscoelastic properties, quantified as having a tangent loss value of from about 1 to about 10 for low shear rates from about 0.1 s_1 to about 5, 6, 7, 8, 9, 10 s_1 and begin to show a sharp, discontinuous increase in shear rates around 22 s "1, about 32 s-1, and about 15 sec-1 respectively These beneficial viscoelastic properties are believed to contribute to superior water transfer resistance for Samples 22, 23 and 24 which produce a Star Rating of 5, 5 and 4, respectively, in contrast to the lower Star Rating of 2 from Samples 21 and 25, which do not include the synergistic combination of the present invention.

Film Flexibility Test The flexibility of samples 22-25 was examined using a modification of the flexibility testing protocol described in U.S. Patent No. 6,074,654, the contents of which are incorporated by reference. The flexibility of a cosmetic film is important for both the durability (extended life) and comfort properties of a plastic film.

Flexibility is measured by the latex stretch test. This test predicts the possibility of the color film resisting peeling or peeling failures after application by skin movement during normal activities. The test flexibility of latex stretching is based on measuring weight loss before and after latex stretching.

Equipment: (1) Ansell Industrial Non-lined Technical Gloves (30.38 cm (12 ") Length, 17 mil) USDA Size Accepted # 390, 9; (2) Avon Slanted Brush Eye Shadow Applicators Products, Inc. (3) Analytical balance (4 decimal places) and (4) Ruler.

Process: (1) Cut a 1 centimeter wide band from the cuff of the glove, avoiding the ribs and thumb. (2) Mark a 2.54 x 2.54 cm (1x1 inch) block in the center of the smooth side of the strip, avoiding the engraved number. (3) Weigh and record the weight of the latex strip; designated as A. (4) Determine the initial weight of the cosmetics to be applied to the strip in order to produce a dry film weighing 20 mg. This is determined by dividing 20 mg by the weight percent of the nonvolatile materials present in the cosmetic. For example, 40 mg of a 50% nonvolatile cosmetic must be applied to the strip to produce a 20 mg dry film. (5) Using a clean eye shadow brush, apply evenly the amount of cosmetics determined in step (4) over the 2.54 x 2.54 cm (1x1 inch) area of the strip as marked in step (2) ). (6) Immediately weigh and record the total weight of the latex strip and the applied cosmetic. The weight of the wet film with the latex strip is referred to as B. (7) Leave the sample in the latex strip of step (6) at rest under ambient conditions for one hour.

(8) Weigh and record the combined weight of latex band A and the applied cosmetic film; hereinafter referred to as C. Subtract A from C to determine the weight D of the dry film (D = C - A). This weight should be 20 ± 2 mg, (9) gently stretch the latex band so that the length of the marked film changes from 1.54 cm (1 inch) to 4.45 cm (1.75 inch), ( 10) When observing loose pieces of film on the latex strip, remove the film pieces from the latex strip by vigorous cleaning with the clean eye shadow brush across the film surface: sweeping 10 times in the vertical direction and sweeping 10 times in the horizontal direction. (11) Carefully allow the latex strip to return to its approximate original shape. (12) Write down the weight of the latex strip (with the rest of the cosmetics); (13) A "Star Rating System" is used based on the Weight Loss Percentage (PWL) to rate the flexibility of films as follows: __________________Table 14, __________________ [00112] Weight Loss by Percent of cosmetic film is calculated using the following equation: Weight Loss Percentage (PWL) - [1 - (EA) / (CA) J x 100% [00113] For some very flexible films, the weight loss percentage can be - to be despicable. Therefore, in some case, due to some brush-transferred dust, the PWL value may become negative (weight gain). [00114] Steps (1) through (12) are repeated three times for each cosmetic formulation. tested. The average of the three PWL values is determined; hereinafter referred to as Average Weight Loss Percentage ("APWL1 '). Low APWL values (i.e. 0-5%) correspond to flexible films which have a desirable balance of film adhesion and cohesion. Flexibility for samples 22-25 is quantified in the Star Rating System as shown in Table 15.

Table 5

All patents and patent publications referred to herein are incorporated by reference.

[00116] Certain modifications and improvements will be apparent to those of ordinary skill in the art upon reading the description presented so far. It is to be understood that all such modifications and improvements have been suppressed herein for the sake of brevity and readability, but are duly included within the scope of the following claims.

Claims (21)

A cosmetic composition comprising a synergistic combination of: (i) a polyurethane silicone polymer comprising units a Item before A and B, wherein: unit A has the structure: wherein R is independently selected; at each occurrence from optionally substituted straight chain, branched or cyclic alkyl, alkenyl, alkynyl, aryl, alkylaryl or arylalkyl groups having from 1 to 10 carbon atoms, or R is a -LO- thereby introducing branch points into unit A; wherein L is a linker group selected from optionally substituted straight chain, branched or cyclic divalent alkyl, alkenyl, alkynyl, aryl, alkylaryl or arylalkyl groups having from 1 to 10 carbon atoms, n is an integer from 0 to 5,000, and unit B has the structure of Formula III: wherein R 1 is an optionally substituted straight chain or cyclic branched chain, alkyl, alkenyl, alkynyl, aryl, alkylaryl or arylalkyl group having from 1 to 20 carbon atoms; (ii) an elastomeric component consisting of silicone gums; and (iii) optionally an additional elastomeric component selected from polyisobutylene, natural rubbers and block copolymer rubbers; wherein the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component from 50: 1 to 1:50. Cosmetic composition according to claim 1, characterized in that the additional elastomeric component is polyisobutylene. Cosmetic composition according to claim 1, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 25: 1 to 1:25. Cosmetic composition according to claim 1, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component from 10: 1 to 1:10. Cosmetic composition according to claim 1, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 5: 1 to 1: 5. Cosmetic composition according to claim 1, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 3: 1 to 1: 3. Cosmetic composition according to claim 1, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 2: 1 to 1: 2. Cosmetic composition according to claim 1, characterized in that the improvement is an improvement in transfer resistance. Cosmetic composition according to claim 8, characterized in that the improvement is an improvement in water transfer resistance. Cosmetic composition according to claim 8, characterized in that units A and B form a cyclic polymer of the formula: where z is an integer from 2 to 2,000. Cosmetic composition according to claim 1, characterized in that it is one of a lip gloss, a rimei or a hair care product. A cosmetic method for imparting a transfer-resistant film to a biological surface. A composition comprising: applying to the surface the composition as defined in claim 1, wherein the composition provides improved resistance to oil and / or water transfer when compared to a identical composition which does not contain said polyurethane silicone polymer or said elastomer. Cosmetic method according to claim 12, characterized in that the improved transfer resistance comprises improved transfer resistance in water. Cosmetic method according to claim 12, characterized in that the improved transfer resistance comprises improved oil transfer resistance. Cosmetic method according to claim 12, characterized in that said additional elastomer is polyisobutylene. Cosmetic method according to claim 12, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 25: 1 to 1:25. Cosmetic method according to claim 12, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component from 10: 1 to 1:10. Cosmetic method according to claim 12, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 5: 1 to 1: 5. Cosmetic method according to claim 12, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 3: 1 to 1: 3. Cosmetic method according to claim 12, characterized in that the synergistic combination comprises a weight ratio of polyurethane silicone polymer to elastomeric component of 2: 1 to 1: 2. Cosmetic method according to claim 12, characterized in that it further comprises applying a clear finisher over the transfer resistance film.