US20220401342A1 - Conditioning Composition - Google Patents

Conditioning Composition Download PDF

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Publication number
US20220401342A1
US20220401342A1 US17/898,407 US202217898407A US2022401342A1 US 20220401342 A1 US20220401342 A1 US 20220401342A1 US 202217898407 A US202217898407 A US 202217898407A US 2022401342 A1 US2022401342 A1 US 2022401342A1
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Prior art keywords
encapsulated
conditioning composition
core particle
powder
composition
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US17/898,407
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English (en)
Inventor
Andrew Savaides
Jeffrey S. Bankers
Jennifer Sullivan Macary
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Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to US17/898,407 priority Critical patent/US20220401342A1/en
Publication of US20220401342A1 publication Critical patent/US20220401342A1/en
Assigned to HENKEL AG & CO. KGAA reassignment HENKEL AG & CO. KGAA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Henkel IP & Holding GmbH
Assigned to Henkel IP & Holding GmbH reassignment Henkel IP & Holding GmbH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SAVAIDES, ANDREW, MACARY, Jennifer Sullivan, BANKERS, Jeffrey S.
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    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
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    • A61K8/732Starch; Amylose; Amylopectin; Derivatives thereof
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    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34Alcohols
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    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/36Carboxylic acids; Salts or anhydrides thereof
    • A61K8/361Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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    • B29C64/106Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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    • B29C64/165Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
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    • A61K2800/412Microsized, i.e. having sizes between 0.1 and 100 microns
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    • A61K2800/40Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54Polymers characterized by specific structures/properties
    • A61K2800/542Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5424Polymers characterized by specific structures/properties characterized by the charge anionic
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0011Biocides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2403/00Use of starch or derivatives as filler
    • BPERFORMING OPERATIONS; TRANSPORTING
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
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    • B33Y80/00Products made by additive manufacturing

Definitions

  • the present disclosure generally relates to a conditioning composition that is free of talc and includes tapioca starch, optionally potato starch, optionally corn starch, at least one anionic surfactant, and optionally at least one amphoteric surfactant.
  • Unit dose products have been accepted in the laundry and dishwashing fields because these products have advantages of being convenient, easy to dispense, and provide the opportunity to customize each wash for the benefits the consumer is seeking. Similar advantages are desired by consumers in the personal care space.
  • cosmetic articles intended to be used once to cleanse the skin or hair are well known for their practical benefits.
  • Disposable wipes impregnated with a liquid cosmetic formulation are suitable for single use but requires disposal of the nonwoven sheet. Travel sized and single use toiletries are available but demand the use of more packaging and are not environmentally friendly.
  • Single use bar soaps and other forms of single use soap exist but utilize raw materials that consumers do not want in their products such as talc.
  • silicones such as cyclomethicones, dimethicones, amino silicones are used as the primary conditioners in combination with or without quaternary ammonium compounds.
  • Formulation with silicones D4, D5 and D6 have recently been reduced in hair conditioners.
  • Emulsification of silicones systems require emulsifier/surfactant and a heating temperature of about 70-80° C. for at least 30-60 minutes along with cooling. Accelerated or thermodynamic aging of raw materials in the product is not avoided.
  • such formulations tend to lack production efficiency and down time.
  • Loose anhydrous powder such as that disclosed in WO 2019/001940, does not solve the problems of single use, customization, or remaining free from talc.
  • Foaming conditioning powders on the market are also loose powders, which are messy and difficult for consumers to dose. Still other products crumble during shipping thereby forming a coarse and gritty texture that is not commercially desirable.
  • these types of compositions use propylene glycol and not water thus reducing commercial desire among consumers and also tend to have a rough hand feel.
  • This disclosure provides an encapsulated conditioning composition that is free of talc and includes a core particle that is a powder.
  • the core particle includes tapioca starch, optionally potato starch, optionally corn starch, at least one anionic surfactant, and optionally at least one amphoteric surfactant.
  • the encapsulated conditioning composition also includes a coating disposed about at least a portion of the core particle and comprising a compound chosen from cellulose polymers, anionic or cationic polymers, vinyl polymers, natural polymers, polysaccharides, copolymers thereof, and combinations thereof
  • the encapsulated conditioning composition includes from about 0 to about 25 percent by weight of liquid, has a pH of from about 3.5 to about 5 when mixed with water at about 10 wt % and produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C.
  • non-encapsulated conditioning composition that is a powder, is free of talc, and includes: tapioca starch, optionally potato starch, optionally corn starch, at least one anionic surfactant, and optionally at least one amphoteric surfactant.
  • the non-encapsulated conditioning composition includes from about 0 to about 18 percent by weight of liquid, has a pH of from about 3.5 to about 5 when mixed with water at about 10 wt % and produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C.
  • This disclosure even further provides a conditioning composition that can be encapsulated or non-encapsulated and may or may not include a coating disposed thereon.
  • This conditioning composition is free of talc and includes a powder including tapioca starch present in an amount of from about 60 to about 65 weight percent based on a total weight of the powder, potato starch present in an amount of from about 3 to about 5 weight percent based on a total weight of the powder, corn starch present in an amount of from about 4 to about 6 weight percent based on a total weight of the powder, at least one anionic surfactant that is a glutamate and that is present in an amount of from about 2 to about 4 weight percent based on a total weight of the powder, and at least one amphoteric surfactant that is a betaine and that is present in an amount of from about 3 to about 5 weight percent based on a total weight of the powder.
  • the powder includes from about 0 to about 5 percent by weight of liquid, has a pH of from about 3.80 to about 4.80 when mixed with water at about 10 wt % and has a viscosity when dissolved as 10 wt % in about 100 mL water of from about 12,000 to about 20,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C. Moreover, the powder produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C.
  • This composition is surprisingly advantageous as it readily disintegrates and provides little to no flash foam which can be then used to condition the skin and hair.
  • the conditioning composition is also gentle, mild and moisturizing to the skin.
  • the composition is free from talc.
  • Talc is used in powder formulations to contribute slip and a silky skin feel.
  • the tapioca starch in optional combination with the other starches, surprisingly provides the desired skin feel without the need for talc.
  • FIG. 1 is a perspective view of an encapsulated conditioning composition including a core particle in the form of a tablet and also including the coating disposed about at least a portion of the core particle.
  • FIG. 2 is a top view of the encapsulated conditioning composition of FIG. 1 .
  • FIG. 3 is a partially cut-away view of the encapsulated conditioning composition of FIG. 1 .
  • FIG. 4 is a cross-sectional view of an encapsulated conditioning composition including the core particle in the form of a capsule and also including the coating disposed about at least a portion of the core particle.
  • FIG. 5 is a cross-sectional view of an encapsulated conditioning composition including the core particle in the form of a capsule and including the coating disposed about at least a portion of a portion of the core particle.
  • FIG. 6 is a photograph that shows an embodiment of the composition that has a powder:water weight ratio of about 1:1.5.
  • FIG. 7 is a photograph that shows an embodiment of the composition that has a powder:water weight ratio of about 1:2.
  • FIG. 8 is a photograph that shows an embodiment of the composition that has a powder:water weight ratio of about 1:1.
  • FIG. 9 is a scanning electron microscope image of tapioca starch particles that are rounded small particles that provide closing packing and rigidity to structure of the coating composition.
  • FIG. 10 is a scanning electron microscope image of corn starch particles that are small and have irregular shape.
  • FIG. 11 is a scanning electron microscope image of potato starch particles that are large round particles that provide soft hand feel and rapid dissolution to the composition.
  • FIG. 12 is a scanning electron microscope image of cubic shaped core particles that include a combination of large and small particle starches that provide close packing, giving rigidity and strength to the core particle while maintaining rapid dissolution and soft hand feel.
  • FIG. 13 is a photograph of Composition 6 of the Examples showing agglomeration or clumping after storage at about 60-65% relative humidity after about 15 days at ambient temperature.
  • FIG. 14 is a photograph of Composition 11 of the Examples showing agglomeration or clumping after storage at about 60-65% relative humidity after about 15 days at ambient temperature.
  • FIG. 15 is a photograph of Composition 12 of the Examples showing agglomeration or clumping after storage at about 60-65% relative humidity after about 15 days at ambient temperature.
  • FIG. 16 is a photograph of Composition 16 of the Examples showing agglomeration or clumping after storage at about 60-65% relative humidity after about 15 days at ambient temperature.
  • Embodiments of the present disclosure are generally directed to a conditioning composition and methods for fabricating the same.
  • conventional techniques related to conditioning compositions may not be described in detail herein.
  • the various tasks and process steps described herein may be incorporated into a more comprehensive procedure or process having additional steps or functionality not described in detail herein.
  • steps in the manufacture of conditioning compositions are well-known and so, in the interest of brevity, many conventional steps will only be mentioned briefly herein or will be omitted entirely without providing the well-known process details.
  • this disclosure provides an encapsulated conditioning composition that is free of talc and includes a core particle that is a powder.
  • the core particle includes tapioca starch, optionally potato starch, optionally corn starch, at least one anionic surfactant, and optionally at least one amphoteric surfactant.
  • the encapsulated conditioning composition also includes a coating disposed about at least a portion of the core particle and comprising a compound chosen from cellulose polymers, anionic or cationic polymers, vinyl polymers, natural polymers, polysaccharides, copolymers thereof, and combinations thereof.
  • the conditioning composition includes from about 0 to about 25 percent by weight of liquid, has a pH of from about 3.5 to about 5 when mixed with water at about 10 wt % and produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C.
  • a pH of from about 3.5 to about 5 when mixed with water at about 10 wt %
  • produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C can be utilized herein.
  • this disclosure also provides a non-encapsulated conditioning composition that is a powder, is free of talc, and includes: tapioca starch, optionally potato starch, optionally corn starch, at least one anionic surfactant, and optionally at least one amphoteric surfactant.
  • the conditioning composition includes from about 0 to about 18 percent by weight of liquid, has a pH of from about 3.5 to about 5 when mixed with water at about 10 wt % and produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C.
  • This non-encapsulated conditioning composition may be a free-flowing powder or may be pressed into a shape, such as a cube, as further described below. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • This disclosure even further provides a conditioning composition that can be encapsulated or non-encapsulated.
  • This conditioning composition is free of talc and includes a powder including tapioca starch present in an amount of from about 60 to about 65 weight percent based on a total weight of the powder, potato starch present in an amount of from about 3 to about 5 weight percent based on a total weight of the powder, corn starch present in an amount of from about 4 to about 6 weight percent based on a total weight of the powder, at least one anionic surfactant that is a glutamate and that is present in an amount of from about 2 to about 4 weight percent based on a total weight of the powder, and at least one amphoteric surfactant that is a betaine and that is present in an amount of from about 3 to about 5 weight percent based on a total weight of the powder.
  • the powder includes from about 0 to about 5 percent by weight of liquid, has a pH of from about 3.80 to about 4.80 when mixed with water at about 10 wt % and has a viscosity when dissolved as 10 wt % in about 100 mL water of from about 12,000 to about 20,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C. Moreover, the powder produces a flash foam of less than about 10 ml when contacted with water at a temperature of about 26 to about 30° C. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • any of the weight percents described below may be based on a weight of the conditioning composition as a whole or on a weight of the core particle as a whole (not including the weight of the optional coating) or on a weight of the entire encapsulated or non-encapsulated composition.
  • any component not including the optional coating
  • this may also mean that the component is part of the core particle itself.
  • the conditioning compositions disclosed are useful in conditioning the skin, body, and/or hair, while remaining gentle and moisturizing.
  • the combination of potato and tapioca starch with the coating can provide a pressed powder with sufficient strength and rigidity to withstand packaging and shipping, but the product is soft enough to crush in the consumer's hand.
  • the formulation is mild and gentle, moisturizing, naturally based and environmentally friendly.
  • the combination of the potato, tapioca, and corn starches can also provide similar characteristics. Even further, any one of the starches alone can be used.
  • this disclosure provides the encapsulated conditioning composition ( 20 ) (hereinafter referred to as an “encapsulated composition”).
  • the encapsulated composition ( 20 ) includes a core particle ( 22 ), as also shown in FIGS. 2 - 5 .
  • the core particle ( 22 ) is typically a solid but may be gel-like. Alternatively, the core particle ( 22 ) may have both solid portions and gel-like portions.
  • the core particle ( 22 ) is a tablet, as shown, for example, in FIGS. 1 - 3 .
  • the core particle ( 22 ) is a capsule or caplet, as shown, for example, in FIGS. 4 - 5 .
  • the core particle is a cube.
  • the core particle ( 22 ) is selected from the group of briquettes, pills, pellets, bricks, sachets, and combinations thereof.
  • the core particle ( 22 ) has a coin shape or a compressed cylindrical shape.
  • the core particle ( 22 ) is further defined as a “massive body” which, as is known in the art, refers to a solid shape (typically a porous solid shape) that includes a mixture of particulates.
  • the particulates may be particulates of any of the components described herein.
  • the core particle may be described as a plurality of particles of crushed powder.
  • any one or more of the components may be combined to form a shape (shaped body), e.g. in a mold.
  • the shaped body may then be coated with a coating ( 24 ), or be free of the coating ( 24 ), which may also be referred to as an encapsulant or protective layer, as described in greater detail below.
  • a coating 24
  • encapsulant or protective layer 24
  • core particle may also refer to the non-encapsulated composition, a free-flowing powder, etc. in various non-limiting embodiments.
  • the core particle ( 22 ) or composition, regardless of whether it is encapsulated or non-encapsulated, is not limited in shape, size, or mass.
  • the core particle ( 22 ) has a weight of from about 0.01 to about 20, about 0.05 to about 20, about 0.1 to about 20, about 0.5 to about 20, about 1 to about 19.5, about 1.5 to about 19, about 2 to about 18.5, about 2.5 to about 18, about 3 to about 17.5, about 3.5 to about 17, about 4 to about 16.5, about 4.5 to about 16, about 5 to about 15.5, about 5.5 to about 15, about 6 to about 14.5, about 6.5 to about 14, about 7 to about 13.5, about 7.5 to about 13, about 8 to about 12.5, about 8.5 to about 12, about 9 to about 11.5, about 9.5 to about 11, about 10 to about 10.5, about 2.5 to about 13, about 0.5 to about 5, or about 5 to about 20, grams.
  • the entire conditioning composition may also have a weight as described above or even up to about 21, 22, 23, 24, 25, 26, 27, 28, 29, or 30, grams. However, it is also contemplated that smaller or larger core particles can be used. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the core particle ( 22 ) or composition is in the form of granules.
  • the core particle ( 22 ) can be small fractionated objects formed from solid particles aggregated together, of variable shapes and sizes. They may be regular or irregular in shape. They may in particular have a spherical shape, a square shape, a rectangular shape, or an elongated shape such as rods.
  • the core particle ( 22 ) can be in the form of small fractionated objects, which can have varied shapes, generally a regular shape and typically a spherical shape or well-calibrated (uniform) spherical shape. In one embodiment, spherical particles are quite particularly preferred. It is contemplated that instead of a core particle, the powder is free-flowing.
  • the (average) size of the particles of the core particle or composition is not particularly limited and can be from about 1 to about 5000 ⁇ m, from about 50 to about 5000 ⁇ m, from about 100 to about 3500 ⁇ m, or from about 200 to about 3000 ⁇ m. In other embodiments, the particles have an (average) size of about 1, 2, 3, 4, 5 . . . 10 . . . 50, 100, 150, 200, 250, 300, 350, 400, 450, 500 . . . up to about 5000, ⁇ m.
  • the D10, D50, and D90 values for the particles may be any of the above and may be alternatively described as Dn10, Dv10, Dn50, Dv50, Dn90, or Dv90.
  • the size of the particles can be determined by manual sieving or via a mechanical calibrator, and also by laser particle size analysis, using for example the Malvern Mastersizer 3000. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • Starch can be used in pressed powder tablets because it is compressible, inert, fee flowing, cost effective and exhibits good disintegration properties. Water can be incorporated into dry powder starches to bind the starches together through interactions such as hydrogen bonding. The addition of water encourages stronger interaction between the starch hydroxyl groups which helps give strength and hardness to the final pressed powders.
  • the instant composition and/or core particle may include a liquid, such as water, or may be free of a liquid, such as water.
  • Other liquids may include additives, surfactants, etc.
  • the liquid is present in an amount of from about 0 to about 30, about 1 to about 30, about 5 to about 25, about 10 to about 20, about 10 to about 15, about 15 to about 20, weight percent based on a total weight of the core particle and/or composition.
  • the amount of liquid is from about 0 to about 25, about 5 to about 20, about 10 to about 15, about 5 to about 25, about 5 to about 15, about 5 to about 10, about 10 to about 25, about 10 to about 20, about 15 to about 25, about 15 to about 20, or about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, or 25, weight percent based on a total weight of the core particle and/or composition.
  • weight percent based on a total weight of the core particle and/or composition.
  • the core particle and/or composition may have a weight ratio of powder:liquid is from about 1:1 to about 1:3, about 1 to about 2.5, about 1 to about 2, about 1 to about 1.5, about 1.5 to about 3, about 1.5 to about 2.5, about 1.5 to about 2, about 2 to about 3, about 2 to about 2.5, or about 2.5 to about 3.
  • a weight ratio of powder:liquid is from about 1:1 to about 1:3, about 1 to about 2.5, about 1 to about 2, about 1 to about 1.5, about 1.5 to about 3, about 1.5 to about 2.5, about 1.5 to about 2, about 2 to about 3, about 2 to about 2.5, or about 2.5 to about 3.
  • the composition and/or core particle is typically free of talc.
  • the composition includes less than 5, 4, 3, 2, 1, 0.5, or 0.1, weight percent of talc based on a total weight of the core particle and/or conditioning composition.
  • the composition is completely free of talc.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the composition and/or core particle includes tapioca starch, and optionally potato starch, and optionally corn starch.
  • the starch, or combination of starches are used to achieve desired benefits as shown, for example, in FIGS. 9 and 11 .
  • Natural starch is comprised of amylose which is linear and amylopectin which is branched. Starches from different sources contain different proportions of these components which contribute to different properties. Additionally, the source of the starch, e.g. corn, potato or tapioca leads to different starches having different particle shapes and sizes. These properties of various starches influence the end results of formulating with these raw materials. For example, in one embodiment, tapioca starch is not used alone because it becomes too compact and cannot be broken apart easily.
  • Corn starch has irregular polyhedron shaped granules having a diameter of from about 5 to about 20 ⁇ m, as shown for example in FIG. 10 .
  • Any starch known in the art can be used in combination with the tapioca starch.
  • the compositions described herein may be free of any one or more starches known in the art, apart from tapioca starch.
  • the composition and/or core particle may be free of rice starch.
  • the composition and/or core particle includes less than 5, 4, 3, 2, 1, 0.5, or 0.1, weight percent of a starch, such as rice starch, based on a total weight of the core particle and/or conditioning composition.
  • the composition and/or core particle is completely free of a starch, such as starch, so long as this starch is not tapioca starch.
  • the composition and/or core particle may be free of potato starch and/or corn starch, e.g. in the weight amounts described above or may be totally free of potato starch and/or rice starch.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • tapioca starch can be used in combination with potato and/or corn starch to provide strength to the composition as a pressed powder, as well as a gentle crumble and soft feel.
  • Potato starch has one of the largest particle sizes of native starches averaging from about 18 to about 60 ⁇ m. The larger particles are spherical and smooth in shape, giving a very silky skin feel due to the ball bearing effect.
  • Tapioca starch has irregular round spheres with smaller particle sizes of from about 5 to about 25 ⁇ m.
  • the combination of the large and smaller particles, which may include corn starch, allows for close packing and interaction during compression. This provides the strength to a pressed powder to hold up during packaging, shipping and consumer use.
  • the tapioca starch has a moisture level of less than about 15 wt. %.
  • the potato starch may have a maximum moisture level of about 205 mg water/g of starch.
  • Tapioca starch is typically obtained from the roots of Manihot esculenta and includes primarily amylose and amylopectin.
  • Potato starch is a polysaccharide obtained from the potato and may be alternatively described as solanum tuberosum starch.
  • the tapioca starch is present in an amount of from at least about 1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, or up to about 99, weight percent based on a total weight percent of the core particle or composition. In other embodiments, the tapioca starch is present in an amount of from about 10 to about 40, about 15 to about 35, about 20 to about 30, about 25 to about 30, about 25 to about 35, or about 30 to about 40, weight percent based on a total weight percent of the core particle or composition.
  • the tapioca starch is present in an amount of from about 30 to about 70, about 30 to about 65, about 30 to about 60, or about 30 to about 55, weight percent based on a total weight percent of the core particle or composition.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the potato starch is present in an amount of from at least about 1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, or up to about 99, weight percent based on a total weight percent of the core particle or composition. In other embodiments, the potato starch is present in an amount of from about 10 to about 40, about 15 to about 35, about 20 to about 30, about 25 to about 30, about 25 to about 35, or about 30 to about 40, weight percent based on a total weight percent of the core particle or composition.
  • the potato starch is present in an amount of from about 1 to about 30, about 5 to about 25, about 10 to about 20, about 15 to about 20, about 1 to about 10, about 1 to about 5, about 5 to about 10, or about 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, weight percent based on a total weight percent of the core particle or composition.
  • weight percent based on a total weight percent of the core particle or composition.
  • the corn starch is present in an amount of from at least about 1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, or up to about 99, weight percent based on a total weight percent of the core particle or composition. In other embodiments, the corn starch is present in an amount of from about 10 to about 40, about 15 to about 35, about 20 to about 30, about 25 to about 30, about 25 to about 35, or about 30 to about 40, weight percent based on a total weight percent of the core particle or composition.
  • the corn starch is present in an amount of from about 1 to about 10, about 1 to about 5, about 5 to about 10, or about 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, weight percent based on a total weight of the core particle or composition.
  • weight percent based on a total weight of the core particle or composition.
  • the total amount of tapioca starch, potato starch, and corn starch is from about 10 to about 80 weight percent based on a total weight of the core particle or composition. In other embodiments, this amount is from about 15 to about 75, about 20 to about 70, about 25 to about 65, about 30 to about 60, about 35 to about 55, about 40 to about 50, or about 45 to about 50, weight percent based on a total weight of the core particle or composition.
  • the tapioca starch is present in an amount of about 30 to about 70, about 35 to about 65, about 40 to about 60, about 45 to about 55, about 50 to about 55, about 60 to about 70, about 60 to about 65, or about 65 to about 70, weight percent based on a total weight of the core particle or composition.
  • the potato starch is present in an amount of from about 0 to about 30, about 5 to about 25, about 10 to about 20, or about 15 to about 20, weight percent based on a total weight of the core particle or the composition.
  • the corn starch is present in an amount of from about 0 to about 5, or about 1, 2, 3, 4, or 5, weight percent based on a total weight of the core particle or composition.
  • the aforementioned values may be 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, or 80 weight percent based on the total weight of the core particle or composition.
  • the weight ratio of the tapioca starch to the potato starch to the corn starch is not particularly limited. In various embodiments, the weight ratio value of the tapioca starch is from about 1 to about 100, the weight ratio value of the potato starch is from about 0 to about 99, and the weight ratio value of the corn starch is about 0 to about 99, relative (tapioca starch):(potato starch):(corn starch).
  • one or more of the values of the tapioca starch, the potato starch, and/or the corn starch is each independently 1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 96, 97, 98, or 99.
  • the weight ratio of tapioca starch:potato starch:corn starch is about 1:1:0 to about 60:5:0. In other embodiments, the weight ratio of tapioca starch:potato starch:corn starch is about 70:0:5 to about 65:0:2 to about 60:0:2.
  • the weight ratio of tapioca starch:potato starch:corn starch is about 65:4:5 to about 60:4:5.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein. All combinations of the above are also hereby expressly contemplated.
  • At Least One Anionic Surfactant is Ligno At least one Anionic Surfactant:
  • the composition and/or core particle also includes at least one anionic surfactant.
  • at least one anionic surfactant For example, only a single anionic surfactant may be utilized or a combination of two or more anionic surfactants may be utilized.
  • Anionic surfactants provide excellent conditioning. It is desirable to provide conditioning while remaining gentle and mild to the skin.
  • the at least one anionic surfactant is not particularly limited and may be any known in the art.
  • the at least one anionic surfactant is an alkyl sulfate having a long chain hydrocarbon (e.g. C6-C20) attached to a sulfonate group.
  • the composition is free of alkyl sulfates.
  • anionic surfactants can be leveraged as well as combinations of anionic surfactants with amphoteric surfactants as secondary surfactants.
  • the at least one anionic surfactant is a mild surfactant that is chosen from acyl glutamates, acyl isethionates, sarcosinates, taurates, and combinations thereof.
  • Acyl glutamates are salts of glutamic acid and are either monovalent or divalent having the general structure:
  • R is a linear or branched, saturated or unsaturated, alkyl chain having from about 8 to about 30 carbon atoms.
  • suitable glutamates include TEA-Cocoyl Glutamate, Sodium Lauroyl Glutamate, Sodium Cocoyl Glutamate, Potassium Cocoyl Glutamate, Glutamic acid, Cocoyl Glutamic acid, Stearoyl Glutamic acid.
  • Acyl isethionates are the esters of alkanoic acids and isethionic acids with the general formula:
  • R is a linear or branched, saturated or unsaturated alkyl chain having from about 8 to about 30 carbons.
  • suitable isethionates include sodium cocoyl isethionate, sodium cocoyl methyl isethionate, sodium isethionate, sodium lauroyl isethionate, sodium lauryl methyl isethionate, sodium methyl isethionate, sodium myristoyl isethionate, sodium oleoyl isethionate.
  • Sarcosinates are a class of anionic surfactants formed from the acylation of glycine and have the general structure
  • R is an alkyl group and X is a cationic salt species, such as Na + or TEA + .
  • suitable sarcosinates include lauroyl sarcosine, potassium cocoyl sarcosinate, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, potassium lauroyl sarcosinate, TEA-lauryl sarcosinate.
  • Taurates are derived from taurine by acylation available as salts and generally have the structure
  • R is a linear or branched, saturated or unsaturated alkyl chain having from about 8 to about 30 carbons.
  • suitable taurates include sodium methyl lauroyl taurate, sodium methyl cocoyl taurate, sodium methyl oleoyl taurate, potassium cocoyl taurate.
  • the at least one anionic surfactant is chosen from a glutamic acid derivative, an isethionate derivative, an acyl glutamate, an acyl isethionate, a sarcosinate, a taurate, salts thereof, and combinations thereof.
  • the glutamic acid derivative is chosen from sodium cocoyl glutamate, potassium cocoyl glutamate, glutamic acid, sodium lauroyl glutamate, and combinations thereof.
  • the isethionate derivative is chosen from esters of alkanoic acids and isethionic acids or salts thereof.
  • the isethionate derivative is chosen from sodium lauryl methyl isethionate, sodium cocoyl isethionate, sodium isethionate, sodium lauroyl isethionate, salts thereof, and combinations thereof.
  • the sarcosinate is chosen from lauroyl sarcosine, sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, potassium cocoyl sarcosinate, and combinations thereof.
  • the taurate is chosen from sodium methyl lauroyl taurate, sodium methyl cocoyl taurate, potassium cocoyl taurate, and combinations thereof.
  • the glutamic acid derivative is chosen from sodium cocoyl glutamate, potassium cocoyl glutamate, glutamic acid, sodium lauroyl glutamate, and combinations thereof; and/or the isethionate derivative is chosen from esters of alkanoic acids, isethionic acids, salts thereof, and combinations thereof; and/or the taurate is chosen from sodium methyl lauroyl taurate, sodium methyl cocoyl taurate, potassium cocoyl taurate, and combinations thereof.
  • the anionic surfactant is present in an amount of from about 1 to about 60, about 2 to about 40, or about 5 to about 30, weight percent actives based on a total weight of the core particle and/or encapsulated conditioning composition. In other embodiments, the anionic surfactant is present in an amount of from 0.01 to about 20, about 0.05 to about 20, about 0.1 to about 20, about 0.5 to about 20, about 1 to about 19.5, about 1.5 to about 19, about 2 to about 18.5, about 2.5 to about 18, about 3 to about 17.5, about 3.5 to about 17, about 4 to about 16.5, about 4.5 to about 16, about 5 to about 15.5, about 5.5 to about 15, about 6 to about 14.5, about 6.5 to about 14, about 7 to about 13.5, about 7.5 to about 13, about 8 to about 12.5, about 8.5 to about 12, about 9 to about 11.5, about 9.5 to about 11, about 10 to about 10.5, about 12 to about 13, about 2.5 to about 13, about 0.5 to about 5, or about 5 to about 20, weight percent actives based on a total weight of the core particle and/or conditioning composition. In
  • the at least one anionic surfactant is present in an amount of from about 1 to about 60, about 2 to about 40, about 5 to about 30, about 5 to about 60, about 10 to about 55, about 15 to about 50, about 20 to about 45, about 25 to about 40, or about 30 to about 35, weight percent actives based on a total weight percent of the core particle and/or conditioning composition.
  • weight percent actives based on a total weight percent of the core particle and/or conditioning composition.
  • At Least One Amphoteric Surfactant is At Least One Amphoteric Surfactant:
  • composition and/or core particle also optionally includes at least one amphoteric surfactant.
  • the composition and/or core particle may include at least one amphoteric surfactant or be free of, or include less than about 5, 4, 3, 2, 1, or 0.5, wt % of at least one amphoteric surfactant.
  • only a single amphoteric surfactant may be utilized or a combination of two or more amphoteric surfactants may be utilized.
  • Compounds classified as amphoteric surfactants may include both true amphoteric surfactants and zwitterionic compounds where the true charge of the molecule is dependent on the pH of the solution.
  • the at least one amphoteric surfactant is not particularly limited and may be any known in the art.
  • amphoteric molecules with a quaternized nitrogen function and a carboxylic function with the following structure
  • R is a linear or branched, saturated or unsaturated alkyl chain having from about 8 to about 30 carbons.
  • suitable betaines may include coco betaine, cocamidopropyl betaine, lauryl betaine, cetyl betaine, lauramidopropyl betaine, oleyl betaine, meadowfoamamidopropyl betaine, babassuamidopropyl betaine.
  • the at least one amphoteric surfactant is a betaine having quaternized nitrogen functionality and carboxylic functionality.
  • the at least one amphoteric surfactant is chosen from coco betaine, cocamidopropyl betaine, lauryl betaine, and combinations thereof.
  • the at least one amphoteric surfactant is present in an amount of from about 0 to about 60, about 1 to about 60, about 2 to about 40, or about 5 to about 30, weight percent actives based on a total weight of the core particle and/or encapsulated conditioning composition.
  • the amphoteric surfactant is present in an amount of from 0.01 to about 20, about 0.05 to about 20, about 0.1 to about 20, about 0.5 to about 20, about 1 to about 19.5, about 1.5 to about 19, about 2 to about 18.5, about 2.5 to about 18, about 3 to about 17.5, about 3.5 to about 17, about 4 to about 16.5, about 4.5 to about 16, about 5 to about 15.5, about 5.5 to about 15, about 6 to about 14.5, about 6.5 to about 14, about 7 to about 13.5, about 7.5 to about 13, about 8 to about 12.5, about 8.5 to about 12, about 9 to about 11.5, about 9.5 to about 11, about 10 to about 10.5, about 12 to about 13, about 2.5 to about 13, about 0.5 to about 5, about 5 to about 20, about 1 to about 5, about 2 to about 4, or about 3 to about 4, weight percent actives based on a total weight of the core particle and/or conditioning composition.
  • the at least one amphoteric surfactant is present in an amount of from about 1 to about 60, about 2 to about 40, about 5 to about 30, about 5 to about 60, about 10 to about 55, about 15 to about 50, about 20 to about 45, about 25 to about 40, or about 30 to about 35, weight percent actives based on a total weight percent of the core particle and/or conditioning composition.
  • weight percent actives based on a total weight percent of the core particle and/or conditioning composition.
  • the at least one anionic surfactant is chosen from a glutamic acid derivative, an isethionate derivative, an acyl glutamate, an acyl isethionate, a sarcosinate, a taurate, salts thereof, and combinations thereof and the at least one amphoteric surfactant is a betaine having quaternized nitrogen functionality and carboxylic functionality. In another embodiment, the at least one amphoteric surfactant is a betaine having quaternized nitrogen functionality and carboxylic functionality.
  • the composition and/or core particle may include or be free of a cationic surfactant.
  • the composition and/or core particle includes less than 5, 4, 3, 2, 1, 0.5, or 0.1, weight percent of a cationic surfactant based on a total weight of the core particle and/or conditioning composition.
  • the composition and/or core particle is completely free of a cationic surfactant.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • composition and/or core particle may include, or be free of, one or more additives known in the art such as those described in the Examples.
  • the core particle further includes a moisturization agent chosen from glycerin, sorbitol, saccharide isomerate, polyquaternium compounds, and combinations thereof and/or a natural exfoliant, a natural extract, and combinations thereof.
  • the one or more additives may be chosen from Polyquaterium-7, Polyquaternium-39, Polquaternim-47, Coconut shell powder, Apricot seed powder, Jojoba esters, Lavender extract, Aloe extract, shea butter, colloidal oatmeal, and combinations thereof.
  • the one or more additives may be present in an amount of from about 0.01 to about 10, about 1 to about 10, about 2 to about 8, about 3 to about 7, about 4 to about 6, about 5 to about 6, or about 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, weight percent actives based on a total weight of the core particle and/or encapsulated conditioning composition.
  • the one or more additives may be present in an amount of from about 0.01 to about 0.09, about 0.02 to about 0.08, about 0.03 to about 0.07, about 0.04 to about 0.06, about 0.05 to about 0.06, about 0.1 to about 0.9, about 0.2 to about 0.8, about 0.3 to about 0.7, about 0.4 to about 0.6, about 0.5 to about 0.6, weight percent actives based on a total weight percent of the core particle and/or encapsulated conditioning composition.
  • the aforementioned weight percent actives may refer to a total weight actives of any one individual additive or may refer to a sum total weight actives of two or more additives. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the coating ( 24 ) typically improves the hardness and durability (e.g. strength and rigidity) of the encapsulated composition ( 20 ) while simultaneously reducing friability during transport and use. This reduces shipping and handling costs, preserves the integrity of the encapsulated composition when sold, and minimizes costs associated with replacement of a prematurely fractured product.
  • the coating may be, include, consist essentially of, or consist of, one or more of the compounds described below.
  • the coating ( 24 ) may be, include, consist essentially of, or consist of, one or more compounds chosen from cellulose polymers, anionic or cationic polymers, vinyl polymers, natural polymers, polysaccharides, copolymers thereof, and combinations thereof.
  • the coating ( 24 ) may be, include, consist essentially of, or consist of, one or more of cellulose based polymers such as hydroxypropyl methyl cellulose (HPMC), hydroxypropyl cellulose (HPC), ethyl cellulose (EC), natural anionic or cationic polymers such as sodium polyitaconate and chitosan (70-95% deacetylated), vinyls, such as polyvinyl alcohol, and acrylate polymers or copolymers, natural derivatives, such as shellac or alginates, polysaccharides, and/or combinations thereof.
  • cellulose based polymers such as hydroxypropyl methyl cellulose (HPMC), hydroxypropyl cellulose (HPC), ethyl cellulose (EC), natural anionic or cationic polymers such as sodium polyitaconate and chitosan (70-95% deacetylated)
  • vinyls such as polyvinyl alcohol
  • acrylate polymers or copolymers natural derivatives,
  • the coating ( 24 ) may be, include, consist essentially of, or consist of, one or more compounds chosen from polysaccharides, maltodextrin, dehydroxanthan gum, hydrolyzed corn starch, Acacia Senegal Gum, Xanthan Gum, sodium polyitaconate, shellac, and combinations thereof.
  • the polysaccharide is not particularly limited and may be any known in the art.
  • the polysaccharide is pullulan gum which is produced by certain strains of fungus such as Aureobasidium Pullulans.
  • Pullulan gum has a unique molecular structure including three ⁇ -(1,4) linked glucose molecules that are repeatedly polymerized by ⁇ -(1,6) linkage which leads to a relatively linear molecule.
  • this unique linear geography provides particular properties in formulation such as high-water solubility and thin film forming that are not exhibited by other polysaccharides.
  • Pullulan gum is generally recognized as safe (GRAS). Because of the linear structure, pullulan resists gelling in solution, unlike other naturally occurring polysaccharides such as xanthan gum.
  • the polysaccharide is chosen from chitosan, alginates, pectins, guar, xanthan gum, pullulan gum, and combinations thereof.
  • the coating may be chosen from maltodextrin, dehydroxanthan gum, hydrolyzed corn starch, Acacia Senegal Gum and Xanthan Gum, Sodium Polyitaconate, shellac, and combinations thereof.
  • the compound of the coating ( 24 ) is chosen based on its ability to be non-tacky, have high adhesion strength and good water solubility.
  • the compound of the coating ( 24 ) is typically naturally based and biodegradable. Further, the compound of the coating ( 24 ) typically remains clear and does not discolor with aging.
  • the compound of the coating ( 24 ) is present in an amount of from about 1 to about 30, about 2 to about 20, or about 3 to about 15, weight percent actives based on a total weight of the encapsulated conditioning composition. In other embodiments, the compound of the coating ( 24 ) is present in an amount of about 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 . . . up to about 30, weight percent actives based on a total weight of the core particle or the encapsulated conditioning composition.
  • the compound of the coating ( 24 ) is present in an amount of from about 1 to about 10, about 2 to about 9, about 3 to about 8, about 4 to about 7, about 5 to about 6, about 5 to about 7, or about 5 to about 8, weight percent actives based on a total weight of the core particle or the encapsulated conditioning composition.
  • weight percent actives based on a total weight of the core particle or the encapsulated conditioning composition.
  • the coating ( 24 ) may also include, or be free of, one or more plasticizers such as polyhydric alcohols, propylene glycol or polyethylene glycol (PEG) or glycerol, acetate esters, such as triacetin (glycerol triacetate) or triethyl citrate (TEC) glycerides, such as acetylated monoglycerides, and/or combinations thereof.
  • plasticizers such as polyhydric alcohols, propylene glycol or polyethylene glycol (PEG) or glycerol, acetate esters, such as triacetin (glycerol triacetate) or triethyl citrate (TEC) glycerides, such as acetylated monoglycerides, and/or combinations thereof.
  • the plasticizers can reduce a film coating formation temperature and improve the pliability and elasticity of the coating ( 24 ).
  • the coating ( 24 ) may have any thickness but typically has a thickness of from about 10 to about 100, about 20 to about 90, about 30 to about 80, about 40 to about 70, about 50 to about 60, about 20 to about 50, about 25 to about 45, about 30 to about 40, or about 35 to about 40, micrometers.
  • the coating ( 24 ) may have varying thicknesses at differing points of the encapsulated composition ( 20 ). It is also contemplated that the coating ( 24 ) may have a uniform thickness at one or more points of the encapsulated composition ( 20 ) or at all or almost all points of the encapsulated composition ( 20 ). Alternatively, the coating ( 24 ) may be uniform at some points and vary in thickness at other points of the encapsulated composition ( 20 ). In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the coating ( 24 ) is typically disposed on and in direct contact with the core particle ( 22 ). However, it is contemplated that more than one coating may be disposed about the core particle ( 22 ). For example, multiples coatings, wherein each one is an embodiment described herein, may be utilized.
  • the coating ( 24 ) can be disposed about at least a portion of the core particle ( 22 ). It is to be understood that the terminology “disposed about” encompasses both partial and complete covering of the core particle ( 22 ) by the coating ( 24 ). In one embodiment, the coating ( 24 ) completely encompasses the core particle ( 22 ), as set forth in FIGS. 1 - 4 . In another embodiment, the coating ( 24 ) only partially encompasses the core particle ( 22 ), as set forth in FIG. 5 . The coating ( 24 ) is typically an outermost layer of the encapsulated composition ( 20 ).
  • the encapsulated conditioning composition and/or the composition and/or the core particle may have a pH of from about 3.5 to about 5, about 3.5 to about 4.5, about 3.5 to about 4, about 4 to about 5.5, about 4 to about 5, about 4 to about 4.5, about 4.5 to about 5.5, about 4.5 to about 5, about 5 to about 5.5, or about 3.5, 3.6, 3.7, 3.8, 3.9, 4.0, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1, 5.2, 5.3, 5.4, or 5.5, e.g.
  • the pH is evaluated using ASTM E70. More specifically, the pH can be measured using an Orion pH meter with a glass calomel electrode, pre calibrated with 2 different pH Buffers of pH 4.00-6.00. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the encapsulated conditioning composition and/or the composition and/or the core particle may have a viscosity of from about 100 to about 100,000, about 100 to about 2000, about 500 to about 2000, about 1000 to about 1500, about 8000 to about 15,000, about 9,000 to about 14,000, about 10,000 to about 13,000, about 11,000 to about 12,000, about 20,000 to about 80,000, about 25,000 to about 75,000, about 30,000 to about 70,000, about 35,000 to about 65,000, about 40,000 to about 60,000, about 45,000 to about 55,000, or about 50,000 to about 55,000, cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C. Viscosity is measured after mixing with water as described above. In various non-limiting embodiments, it is contemplated that all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the encapsulated conditioning composition and/or the composition and/or the core particle is such that a weight ratio of powder:liquid is from about 1:1 to about 1:3, a pH is from about 3.80 to about 4.80, and a viscosity is from about 3,500 to about 87,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C.
  • RV Brookfield Gel Timer DV2T Viscometer
  • the encapsulated conditioning composition and/or the composition and/or the core particle produces a flash foam of about zero or less than about 10, 9, 8, 7, 6, 5, 4, 3, 2, or 1, mL when contacted with water at a temperature of about 26 to about 30° C.
  • flash foam is understood by those of skill in the art and is measured using a cylinder shake method. More specifically, 50 ml of a 10 wt % solution of the encapsulated conditioning composition and/or the composition and/or the core particle in water at a temperature of about 26 to about 30° C. is put into a 250 ml graduated cylinder and covered. The volume is measured and recorded as initial volume.
  • Flash Foam (volume after 10 times hand shaken ⁇ initial volume) in mL.
  • the composition may be formed by any method in the art.
  • the core particle ( 22 ) and or composition itself e.g. free flowing powder, is formed by combining the tapioca starch, the optional potato starch, the optional corn starch, the at least one anionic surfactant, and the optional at least one amphoteric surfactant, and any one or more optional additives described herein.
  • These components may be combined by any method in the art.
  • the aforementioned components may be combined to form a mixture which can be added to a die and compressed to form the core particle ( 22 ), e.g. in the shape of a cube.
  • the mixture is typically compressed at a pressure of from 500 to 100,000 lbs./in 2 .
  • the core particle ( 22 ) may be coated with the coating ( 24 ).
  • the coating ( 24 ) may be disposed on the core particle ( 22 ) by any method known in the art, e.g. spraying a solution onto the core particle ( 22 ) to form the encapsulated conditioning composition ( 20 ).
  • the step of spraying may be further defined as any type of spraying known in the art. In one embodiment, the step of spraying is further defined as pan coating.
  • the pan coating of this invention typically involves manipulation of a variety of parameters including, but not limited to, relative humidity, coating room temperature, pan diameter, pan speed, pan depth, pan brim volume, pan load, shape and size of the core particle ( 22 ), baffle efficiency, number of spray guns, acceleration due to gravity, spray rate, inlet airflow, inlet temperature, air properties, exhaust temperature, atomizing air pressure, solution properties, gun-to-bed distance, nozzle type and size, and coating time.
  • parameters including, but not limited to, relative humidity, coating room temperature, pan diameter, pan speed, pan depth, pan brim volume, pan load, shape and size of the core particle ( 22 ), baffle efficiency, number of spray guns, acceleration due to gravity, spray rate, inlet airflow, inlet temperature, air properties, exhaust temperature, atomizing air pressure, solution properties, gun-to-bed distance, nozzle type and size, and coating time.
  • parameters including, but not limited to, relative humidity, coating room temperature, pan diameter, pan speed, pan depth, pan brim volume, pan load
  • a cube that is the core particle ( 22 ) is formed and then crumbled or otherwise broken into a pressed powder.
  • the pressed powder can then be coated.
  • the cube that is the core particle ( 22 ) may itself be coated.
  • This disclosure also provides a process for conditioning hair or skin.
  • This method includes the step of applying the encapsulated conditioning composition and/or the composition and/or the core particle, as described herein, to hair or skin.
  • the step of applying may be further defined as any type of applying known in the art.
  • the step of applying may be further defined as applying as a conditioner, lotion, gel, etc.
  • the encapsulated conditioning composition and/or the composition and/or the core particle is partially or completely crushed and mixed with water and then applied to the hair and/or skin by the consumer.
  • the core particle or non-encapsulated composition e.g. free flowing powder, includes, is, consists essentially of, or consists of the tapioca starch, the optional potato starch, the optional corn starch, the at least one anionic surfactant, and the optional at least one amphoteric surfactant, and any one or more optional additives described herein.
  • the coating if included, may be, include, consist essentially of, or consist of, the polysaccharide.
  • the encapsulated conditioning composition and/or the composition and/or the core particle may include, be, consist essentially of, or consist of (with optional coating):
  • compositions have a viscosity of from about 8,000 to about 12,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C.
  • RV Brookfield Gel Timer DV2T Viscometer
  • RV Spindle #6
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values, can be utilized herein.
  • the encapsulated conditioning composition and/or the composition and/or the core particle may include, be, consist essentially of, or consist of (with optional coating):
  • compositions have the following properties:
  • the encapsulated conditioning composition and/or the composition and/or the core particle may include, be, consist essentially of, or consist of (with optional coating):
  • the encapsulated conditioning composition and/or the composition and/or the core particle may include, be, consist essentially of, or consist of (with optional coating):
  • compositions have a viscosity of from about 12,000 to about 20,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C.
  • Other embodiments have a pH of about 4 to about 4.3 when mixed at a 1:1 ratio of powder to liquid, as determined by the method described above.
  • all values and ranges of values, both whole and fractional, between and including the aforementioned values can be utilized herein.
  • the conditioning composition can disaggregate or disintegrate easily, and dissolution in water is typically rapid.
  • the conditioning composition is typically easy to mix with water. After application, good persistence of a fragrance is typically obtained and, when the composition is applied to the skin, the skin is soft.
  • This disclosure also provides a process for conditioning keratin materials such as the skin, including the scalp, keratin fibers such as the eyelashes or the hair, and/or the lips, wherein the conditioning composition is applied to the keratin materials.
  • keratin material especially means the skin, the scalp, keratin fibers such as the eyelashes, the eyebrows, head hair, bodily hair, the nails, and mucous membranes such as the lips, and more particularly the skin (body, face, area around the eyes, eyelids).
  • the conditioning composition can be used for topical application and thus can include a physiologically acceptable medium.
  • physiologically acceptable medium means a medium that is compatible with keratin materials.
  • composition or core particle may include, be, consist essentially of, or consist of (with optional coating), one or more of the following:
  • the starch may be chosen from tapioca, potato, corn, corn modified, rice, pectin, barley, and combinations thereof.
  • the absorbent-filler clays may be chosen from hydrophilic layered silicates such as Bentonites (Gelwhite-H, Gelwhite-GPXR, Beraclay), Kaolin, Natural Zeolites, Veegum, and combinations thereof.
  • the cellulose rheology modifiers may be chosen from hydroxyethyl cellulose, hydroxypropyl methyl cellulose, ethyl cellulose, carboxy methyl cellulose and gum cellulose, and combinations thereof.
  • the polysaccharide gums may be chosen from Xanthum, Guar, Arabic, Amylose, and combinations thereof.
  • surfactant 1 may be chosen from anionic, cationic, amphoteric surfactants such as SLS, SLES, ALS, ALES, and combinations thereof.
  • surfactant 2 may be chosen from cocoamidopropyl betaine, cocoamidopropyl hydroxy sultaine, and combinations thereof.
  • the cold process self-emulsifier/conditioner may be chosen from Jeequat® NDCS (cetyl alcohol, behentrimonium chloride, cocamidopropyl betaine, sorbitan laurate); methyl gluceth-20; polyglyceryl esters, Durosoft PK-SG (Polyglyceryl-4 ester); Sucrose esters, Sisterna SP70-C and Sisterna PS750-C, and combinations thereof.
  • Jeequat® NDCS cetyl alcohol, behentrimonium chloride, cocamidopropyl betaine, sorbitan laurate
  • methyl gluceth-20 polyglyceryl esters
  • Durosoft PK-SG Polyglyceryl-4 ester
  • Sucrose esters Sisterna SP70-C and Sisterna PS750-C, and combinations thereof.
  • the cationic polymer may be chosen from guar hydroxypropyltrimonium chloride (GHPTC), polyquaternium 4, polyquaternium 7 and polyquatemium 10, and combinations thereof.
  • GFPTC guar hydroxypropyltrimonium chloride
  • the humectant may be chosen from glycerine, propylene glycol, dipropylene glycol, butylene glycol, 1-sodium PCA, methyl gluceth-20, panthenol, sorbitol, fructose, aloe, hyaluronic acid, urea, lecithin, ammonium lactate, polyethylene glycols, glyceryl triacetate, and combinations thereof.
  • the conditioner may be chosen from Panthenol, Tegobetaine, Quaternium-98, Quaternium-100, Quaternium 15, Quatemium 18, Quaternium 80, Behentrimonium Methosulfate/Chloride, and combinations thereof.
  • the pH Adjuster may be chosen from Citric acid, glycolic acid, lactic acid, acetic acid, and combinations thereof.
  • the essential oils may be chosen from avocado oil, jojoba oil, argan oil, almond oil, sunflower oil, coconut oil, sunflower oil, soybean oil, olive oil, peppermint oil, cedarwood oil , tea tree oil, marula oil, hydrogenated ethyl/hexyl olivate, and combinations thereof.
  • the proteins may be chosen from wheat, rice, soy, keratin, cashmere, and combinations thereof.
  • the fortifying extracts may be chosen from Horsetail, Nettle, Willow bark, and combinations thereof.
  • weights described herein may be on the basis of a core particle, a powder, an encapsulated particle, or a composition as a whole. It is contemplated that any one or more weight percents described in this disclosure may be alternatively described as weight percent actives. Relative to all descriptions of liquid and/or water herein, each amount may be alternatively described as a “total amount.” Typically, the terminology “total amount” refers to a total amount of liquid and/or water present in the composition from all components, i.e., not simply liquid and/or water added independently from, for example, the surfactant component. An independent source of liquid or water, such as DI water, may be used to dilute the composition.
  • This liquid or water may be independent from any liquid and/or water present in the composition as originating from one or more components.
  • the composition can include liquids and/or water originating from the components themselves.
  • the independent liquid and/or water source may be used.
  • the composition may be described as a waterless hair care, styling and treatment cosmetic composition.
  • the composition may be described as a mixed powder that includes about 0-20% liquid that may be water, oils and bonding ingredients.
  • the composition may be a free flowing powder or pressed powder of different shapes and sizes.
  • the composition may be activated in situ in contact with water representing maximum freshness and efficacy versus liquid products.
  • the composition may have better stability and better efficacy due to higher stability of functional ingredients in the composition powder form. Vitamins, oils, proteins, etc. tend to be preserved in the powder form where these ingredients will have limited efficacy in the liquid form with time.
  • the composition requires minimum space, is sustainable (e.g. does not require plastic packaging), and produces minimum waste (e.g. in individual solid doses).
  • the composition can include a mixture of starches including corn, potato, tapioca, barley, rice as the primary carrier ingredients, primary anionic or nonionic surfactants, secondary surfactants, anti-foam agents, gums, thickeners, conditioning agents, oils, silicone (or may be silicone free), fatty alcohols, quats, humectants, pH adjusters, sun blockers, colorants and preservatives.
  • starches including corn, potato, tapioca, barley, rice as the primary carrier ingredients, primary anionic or nonionic surfactants, secondary surfactants, anti-foam agents, gums, thickeners, conditioning agents, oils, silicone (or may be silicone free), fatty alcohols, quats, humectants, pH adjusters, sun blockers, colorants and preservatives.
  • compositions are created and evaluated as follows wherein values are % (wt/wt) unless otherwise indicated:
  • composition 1 2 3 4 Tapioca Starch 70 65 65 65 (Tapioca Pure From Nouryon) Corn Starch Modified 5 5 2 2 Sodium Methyl Oleoyl Taurate 3 3 Sodium Cocoyl Isothionate 2 2 (Pure act I-78 Innospec) Sodium Cocoyl Glutamate 0.8 0.8 Guar HP Chloride 1.5 1.5 1.5 Hydrogenated Ethyl/Hexyl Olivate 3 3 3 3 3 DL-Panthenol 0.5 0.5 3 3 L-Sodium PCA 5 5 5 5 5 5 Cellulose Gum 5 2.5 2.5 Quaternium - 98 10 10 Hydrolyzed Rice Protein 1 1 Hydrolyzed Adansonia 1 1 Digitata Seed Extract Citric Acid Anhydrous 1.3 Fragrance 0.5 0.5 Water 11.7 11.7 2 0.7
  • the Compositions 1, 2, 3 and 4 had viscosities of about 8,000-12,000 cps after mixing with water as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C.
  • compositions 5-8 have excellent effects on hair. Relative to Composition 5, when mixed with water at different powder to liquid ratios, the following was observed.
  • Composition 5 was also evaluated in a salon on medium hair length of five models.
  • the evaluation data of attributes on hair is tabulated below.
  • the scoring scale is from 0-5 as generated using trained observers wherein 5 is excellent.
  • Consistency 4 Product Spreadability 5 Distribution 4 Ease of rinsing 5 Feel of hair during rinse off 4 Smell 5 Detangling of wet hair 4 Combability of wet hair 5 Feel of wet hair 4 Blow drying 5 Ease of styling 5 Drying time 5 Combability of dry hair 5 Feel of dry hair 4 Feel of hair tips 4 Static control 4 Shine 5
  • the Compositions 5-8 can be easily molded into any shape.
  • a coating of 3.5% Amaze SP (Sodium Polyitaconate) and 1% glycerine solution in water is applied in a spray format and dried. The coating smooths the edges of the pressed powder and provides humidity resistance.
  • Composition 9 10 11 12 Tapioca Starch 60 60 60 60 60 (Tapioca Pure From Nouryon) Bentonite (Gelwhite-H) 5 8 10 Natural Zeolite 10 Cetyl Alcohol, 5 5 5 5 5 Behentrimonium Chloride, Cocoamidopropyl Betaine and Sorbitan Laurate Corn Starch Modified 2 2 2 2 Sodium Methyl Oleoyl Taurate 3 3 3 3 Guar HP Chloride 1.5 1.5 1.5 1.5 Hydrogenated Ethyl/Hexyl Olivate 3 3 3 3 3 DL-Panthenol 3 3 3 3 L-Sodium PC A 5 2.5 2.5 2.5 2.5 Cellulose Gum 2.5 2.5 2.5 2.5 2.5 2.5 2.5 Quaternium - 98 5 5 5 5 Hydrolyzed Rice Protein 1 1 0.1 0.1 Hydrolyzed Adansonia 1 1 0.1 0.1 Digitata Seed Extract Citric Acid Anhydrous 1.30 1.30 1.30 1.30 Fragrance 1 1 1 1 Water 0.7 0.2 0 0 0
  • Compositions 9-12 are excellent free flowing powders where lumping at high humidity is minimal.
  • Composition 13 14 15 16 Tapioca Starch 65 65 65 60 (Tapioca Pure From Nouryon) Potato Starch 4 4 4 Corn Starch 5 5 5 5 Maltodextrin 5 Bentonite 5 Betaine (Tego Natural Betaine) 3 3 3 5 Sodium Lauroyl Glutamate 3 3 3 3 5 Sodium Lauroyl Glutamate 3 3 3 3 5 Guar HP Chloride 1.5 1.5 1.5 1.5 Bio saccharide gum-1 0.20 0.20 0.20 0.20 Citric Acid Anhydrous 1.30 1.30 1.30 1.30 Hydrogenated Ethyl/Hexyl Olivate 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
  • the Compositions 13-16 have a viscosity of from about 12,000 to about 20,000 cps as determined using a Brookfield Gel Timer DV2T Viscometer, RV, Spindle #6, at about 6 rpm for about 60 seconds at about 28° C. They also have a pH of about 4 to about 4.3 when mixed at a 1:1 ratio of powder to liquid, as determined by the method described above.
  • compositions were evaluated to determine agglomeration or clumping after storage at about 60-65% relative humidity after about 15 days at ambient temperature.
  • the results are set forth in FIGS. 13 - 16 , representing Compositions 6, 11, 12, and 16, respectively.
  • the results show that agglomeration or clumping is significantly less for Compositions 11, 12, and 16.
  • compositions 13-16 were also evaluated in a salon on medium hair length of five models.
  • the evaluation data of attributes on both non-bleached and bleached hair is tabulated below.
  • the scoring scale is from 0-5 as generated using trained observers wherein 5 is excellent.
  • the attributes set forth below are determined as follows:
  • the conditioner imparts very good wet and dry conditioning properties on normal and chemically treated hair.
  • the unique attributes of the conditioner on hair are exceptional styling with reduced drying time.
  • the ability and ease of styling hair is surprising to those of skill in the art.
  • the ease of rinsing the conditioner is significantly superior to conventional conditioners that can leave the hair greasy and dull with a coating.

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US20220409495A1 (en) 2022-12-29
US20230000753A1 (en) 2023-01-05
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