WO2013029125A1 - Composição cosmética para os lábios contendo micropartículas esféricas - Google Patents
Composição cosmética para os lábios contendo micropartículas esféricas Download PDFInfo
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- WO2013029125A1 WO2013029125A1 PCT/BR2011/000306 BR2011000306W WO2013029125A1 WO 2013029125 A1 WO2013029125 A1 WO 2013029125A1 BR 2011000306 W BR2011000306 W BR 2011000306W WO 2013029125 A1 WO2013029125 A1 WO 2013029125A1
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- lip
- lips
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0241—Containing particulates characterized by their shape and/or structure
- A61K8/025—Explicitly spheroidal or spherical shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/25—Silicon; Compounds thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/42—Amides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/68—Sphingolipids, e.g. ceramides, cerebrosides, gangliosides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
- A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
- A61Q1/06—Lipsticks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
Definitions
- the present invention relates to cosmetic lip compositions. More specifically, lipsticks and lip glosses containing spherical microparticles, emollients and film formers are disclosed.
- Lipstick is a cosmetic product that preferably allows lip enhancement by coloring. There are numerous techniques for producing lipsticks with variations in texture and color.
- lip gloss When a lipstick is bright, it is called lip gloss.
- the custom of lip coloring has been rooted in Egyptian antiquity for over 4000 years, however, the solid lipstick formula emerged in the 1930s. Still, most of the basic lipstick formulations (consisting of a waxy base), has not undergone radical changes. It is still a color dispersion on a greasy basis, allowing the easy application of a uniform layer.
- Patent application WO 20090223066 deals with dyes in the cosmetic industry.
- Organic pigments are widely used, however, the use of these pigments is limited due to safety problems and pharmacotechnical problems.
- One solution to this problem is the incorporation of these preferably spherical particulate pigments from a silica-containing encapsulating agent.
- the particles are preferably spherical to provide a rolling lubricating effect.
- spherical silicon dioxide particles are used in decorative cosmetics to produce a "soft" effect due to light distribution.
- the present invention utilizes silica particles ranging from 3-15 pm in size with a pore volume of 0.2-0.4 mL / g.
- the particle size as well as pore volume used in the present invention are therefore smaller than those found in the prior art, giving a superior filling effect of the lip cavities, which provides an improved softness and rolling effect. compared to those described in EP 1 439 816.
- U.S. Patent 5,034,216 discloses cosmetic compositions containing gel, spherical silica particles, and may have dyes and oils.
- the silica spheres have an average size of less than 15 microns, preferably 2-5 microns. Silica microspheres help to give a silky effect to the final product.
- smoothness is increased by treating the silica with a polyethylene or other polymer coating.
- This reference uses coated silica to increase softness, which differs from the present invention, which achieves the improved rolling effect by combining other ingredients.
- the present invention relates to lipsticks and lip glosses containing a combination of spherical microparticles, emollients and film formers, and other optional ingredients.
- Spherical microparticles are composed of silicon dioxide (silica).
- Examples of microparticles usable in the present invention may be selected from commercially available microparticles currently available from Presperse Inc., such as Spheron N-2000 (solid silica; average particle size: 2-15 micrometers) and Spheron P-1500 (porous silica; average particle size: 3-15 micrometers), preferably S-pheron P-1500.
- Emollients may be selected from the group comprising castor seed oil (ricinus communis), stearoyl isocetyl stearate, dicaprilyl ether, diisostearyl malate, octyldodecanol.
- Film formers can be selected from, for example, bis-diglyceryl polyacyladipate-2 and dipentaerythrityl polyhydroxystearate / tetrabenate.
- composition of the present invention examples may be cited Passion fruit ceramide lip restoration), cocoa / cupuassu butter (moisturizer) and antioxidant complex (lycopene + vitamin E + green coffee extract), pigments, sunscreens, high refractive index ingredients, structuring agents.
- the problem which the present invention lends itself to solving is to provide lipstick and / or lip gloss with slip and high coverage delivery in a single application, providing lip renewal and hydration (perceived even after product removal from the lips), these two effects acting in synergy.
- the synergistic effect was realized through sensory research with consumers compared to other products in the market. Therefore, no tests are available to prove this result.
- the effect of spherical particles facilitates the delivery of lip renewing and moisturizing actives.
- the end product of the present invention has participated in studies to evaluate the performance of the new product compared to prior art products as well as a control as described in detail in the detailed description of the invention.
- Figure 1 Market research test - importance of characteristics in%.
- Figure 2 Market research test - product use in the test, in%.
- Figure 3 Market research test - overall rating in%.
- Figure 4 Market research test - overall appearance of the bullet before application, in%.
- Figure 5 Market research test - overall color rating in%.
- Figure 7 Market research test - pleasantness of the aroma, in%.
- Figure 8 Market research test - fragrance intensity, in%.
- Figure 9 Market research test - taste pleasing, in%.
- Figure 10 Market research test - ease of application, in%.
- Figure 11 Market research test - slip, in%.
- Figure 13 Market research test - emollience, in%.
- Figure 14 Market research test - quantity discharged, in%.
- Figure 15 Market research test - coverage, in%.
- Figure 16 Market research test - lip film thickness, in%.
- Figure 17 Market research test - movie creaminess in%.
- Figure 8 Market research test - brightness in%.
- Figure 19 Market research test - runoff in%.
- Figure 20 Market research test - hydration / softness, in%.
- Figure 21 Market research test - time duration in%.
- Figure 22 Market research test - duration satisfaction, in%.
- Figure 23 Market research test - fixation, in%.
- Figure 24 Market research test - transfer, in%.
- Figure 25 Market research test - innovation, in%.
- Figure 26 Market Research Test - Comparison with usual in%.
- Figure 27 Market research test - preference.
- Figure 28 Market research test - adverse reactions or feelings of discomfort.
- Figure 29 Market Research Test - Yes / No - Feel hydrated / soft lips even without lipstick, in%.
- Figure 30 Market research test - yes / no - delivers high coverage as early as the first pass, in%.
- Figure 31 Market research test - yes / no - protected lip sensation, in%.
- Figure 32 Market research test - yes / no - less dry lips sensation, in%. s
- Figure 33 Market research test - yes / no - sensation that increased lip volume by%.
- Figure 34 Market research test - yes / no - sensation that decreased dryness of lips, whitish skins that peel, by%.
- Figure 35 Market research test - yes / no - mouthfeel in%.
- Figure 36 Market research test - yes / no - hydrated lips sensation for 24h, in%.
- Figure 37 Market research test - yes / no - lip definition improvement,%.
- Figure 38 Market research test - yes / no - sensation of improvement of overall lip appearance in%.
- Figure 39 Market research test - yes / no - feeling of comfort, in%.
- Figure 40 Market research test - yes / no - leaves no sticky / sticky lips in%.
- Figure 41 Market research test - yes / no - provides intense color on first application in%.
- Figure 42 Market research test - yes / no - sensation that masks the thin lines of the lips in%.
- Figure 43 Market research test - yes / no - softer lip sensation with lipstick,%.
- Figure 44 Percentage damage to product samples of the present invention vs. control.
- Figure 45 Lip restoration conferred by the product of the present invention and control over time.
- Figure 46 Hydration (water) values relative to control for A1650 / A1550.
- Figure 47 Hydration percentage values relative to control for A1650 / A1550.
- the present invention provides cosmetics for use on the lips, particularly lipstick and lip gloss, containing a combination of gel-shaped ingredients with different viscosity softeners and spherical particles.
- the spherical particles consist of silica microspheres, more preferably spherical particles marketed as S-pheron® P-1500 Silica and are preferably used at a concentration of 0.5 to 5% of the total mass of the cosmetic composition. More preferably, the silica microspheres are present in about 0.5 - 2.5%.
- Preferred emollients for use in the present cosmetic composition are selected from cocoa butter, Bis-2-Diglyceryl Poliacyl dipate, vegetable lanolin, octyldodecanol, among others.
- the emollients constitute from 0.5 to 20% of the total weight of the cosmetic composition.
- the cosmetic composition of the present invention may include colorants, flavorings, which contribute approximately 40% by weight of the cosmetic composition.
- the cosmetic composition of the present invention may comprise at least one of the components selected from the group consisting of: ceramides, cocoa butter, vegetable lanolin, Bis-2-Diglycerylpolyciladipate, lycopene, Vitamin E, green coffee extract, pigments. , film forming agents, sunscreens, high refractive index ingredients and mixtures thereof.
- the composition of the invention in the form of a lipstick a waxy base is used.
- the lipstick base of the invention may comprise:
- the cosmetic compositions comprise:
- Lipstick Foundation (according to the present invention) 40.0-60.0
- the microparticles have a parallel phase in the process, ie they are pre-dispersed with softener and added after incorporation of the product color. This process ensures the correct structuring of the formula in the manufacturing process.
- the lipstick and lip gloss of the present invention provide healthy, renewed lips, preventing and improving dryness of the lips. This benefit is due to the following components: Passion fruit ceramides, cocoa butter and optionally Bis-2-Diglyceryl Polyacyladipate.
- the lip barrier By depositing the ceramide molecules on the skin of the lips, the lip barrier is fortified and hydrated. Cocoa butter promotes softness and hydration to the lips, preventing dryness (softening). Bis-2-Diglyceryl Polyacyladipate, which is an ingredient of plant origin "lanolin like" with high hydration power, absorbs water, keeping it on the lip surface. Also, the optional use of carnauba wax confers the formation of a film. Carnauba wax, together with gelling agents, forms a creamy film on the skin, preventing water loss. This result was demonstrated in the lip restoration test described below.
- Another effect provided by the present lipstick / lip gloss is the promotion of a more uniform lip texture. This is due to the ingredients: passion fruit ceramides and cocoa butter.
- the effect of ceramides is performed as above, and cocoa butter, by promoting softness and hydration of the lips, prevents lip dryness and consequent peeling, maintaining the uniformity of the skin surface.
- vegetable lanolin can be used, which has a high water absorption capacity, retaining it longer on the skin. It promotes softness and hydration to the lips, preventing dryness, making them healthier and more uniform. This result was demonstrated in the lip restoration test described below.
- ceramide molecules on the skin of the lips promotes uniformity of the surface of the lips and consequent minimization of the appearance of fine lines, while cocoa butter promotes softness and hydration to the lips, preventing their drying and consequent peeling, avoiding chapped lips. With increased lip hydration, the cells swell, which can minimize the appearance of fine lines.
- the use of transparent and emollient waxes with high refractive index provides high gloss in the application of the product on the lips and through optical effect, disguises the fine lines. Finally, scintillants with high reflection through optical effect also disguise these fine lines.
- the use of emollients, film-forming agents and high concentration of ultra-fine pigment provides the formation of a silky, comfortable film that helps prevent water loss.
- the formulation of the new lipstick promotes immediate hydration and within 24 hours. This is also due to the ceramide components of passion fruit, bis-diglyceryl 2-polyacyladipate / vegetable lanolin, and film-forming agents.
- ceramide molecules on the skin of the lips, promoting lip barrier fortification, minimizes water loss, while Bis-diglyceryl 2-polyacyladipate, a highly hydrating power "lanolin like" plant ingredient, absorbs keeping it on the lip surface. Furthermore, hydration occurs due to the exclusive combination of carnauba wax with gelling agents that deposit on They form a comfortable film that prevents water loss. This result was demonstrated in the hydration test described below.
- the lipstick of the present invention promotes lip restoration after 1 hour of use, mainly due to the effect of passion fruit ceramides, cocoa butter and Bis-diglyceryl 2-polyacyladipate as disclosed above. This result was demonstrated in the lip restoration test described below.
- lycopene may be included in the formulation. These components help prevent signs of aging and protect against free radicals.
- High comfort slip is also achieved and a smooth application that leaves the lips soft, both through the combination of emollients, gel and spherical particles. Due to the shape of the spherical particles and their property of absorbing the emollients, when pressing the product on the lips, high slippage occurs with the release of the emollients that leave a soft, smooth and shiny film on the lips. Gel emollients provide creamy and comfortable sensory. This result was demonstrated in the market research test described below.
- High coverage delivery is also achieved from the first application due to spherical particles combined with different viscosity, gel-shaped emollients.
- the spherical particles present in the formulation act as a rolling effect, providing color deposition on the first application. In addition to the physical effect, these particles become swollen with emollients and, when pressed, release the emollients and facilitate the deposition of pigments on the lips.
- the high coverage is also due to the concentration of pigments. This effect has been tested according to the market research test described below.
- a feeling of soft and hydrated lips is obtained, even without lipstick due to film-forming agents.
- the lipstick deposits a comfortable film that protects and moisturizes the lips.
- the combination of gel-softening film-forming agents and spherical particles leave a film on the lips giving the impression that the lips are soft / hydrated even without lipstick. This effect has been tested according to the market research test described below.
- the lipstick of the present invention can contain sunscreens, which protect the lips from UVB and UVA rays. This result was demonstrated in the market research test described below.
- 3D brightness is also obtained through the optical effect of the high refractive index transparent and softening waxes associated with specific scintillants.
- the product object of the present invention tested as below, has the following formulation:
- Test 1 Market Research Test
- the objective of this test is to select the prototype with the best sensory performance through a quantitative affective evaluation of home use of products with personal evaluation interview.
- Five samples were used by participants (D7R, S2R, G5L, X4T and M8Y), randomly, for seven consecutive days.
- Samples X4T, M8Y and G5L are samples of the product of the present invention.
- Sample D7R is a competitor sample without spherical particles
- sample S2R is a competitor sample containing spherical particles, however with different characteristics of the present invention.
- Figure 2 shows the percentage of times used by the test participants of each lipstick tested.
- the upper part of the bars corresponds to the percentage of "more than three times a day”, while the lower part corresponds to the percentage of "three times a day”, the penultimate part corresponds to the percentage of "twice a day” and the last (bottom) part of the bars corresponds to the "once a day” percentage.
- the minority of respondents used the products only once a day. The same pattern was observed for all samples.
- the sample D7R obtained a higher pleasantness percentage of the "very pleasant” flavor, as shown in figure 94.
- the slip of the sample (Figure 11) D7R was considered ideal in relation to the others by consumers, being the M8Y product considered the worst in this regard.
- the upper part of the bars corresponds to the percentage of "Much more I like", while the lower part corresponds to the percentage of "More I like”.
- the central part corresponds to the "ideal, just the way I like” percentage and the portion just below the “less than I like” percentage.
- the last (bottom) part of the bars is the "Much less I like" percentage.
- the ideal texture of the bullet was preferred in the D7R product.
- the upper part of the bars corresponds to the "Much harder / firmer I like” percentage, while the lower part corresponds to the “Harder / firmer I like” percentage.
- the middle part corresponds to the “ideal as I like” percentage and the lower part to the "softer / softer I like” percentage.
- the last (bottom) part of the bars corresponds to the "Much softer / softer I like” percentage.
- the ideal softness was obtained, according to Figure 13, by sample D7R, followed by G5L.
- the upper part of the bars corresponds to the percentage of "Much softer / softer than I like", while the lower portion corresponds to the percentage of "Much softer / softer than I like”.
- the middle part corresponds to the "ideal / emollient, the way I like” percentage and the part just below the "less emollient / soft that I like” percentage.
- the last (bottom) part of the bars corresponds to the "Much less soft / soft I like” percentage.
- the amount of D7R and G5L samples discharged was ideal for 74% of respondents, as shown in Figure 14.
- the upper part of the bars corresponds to the percentage of "Much larger than ideal", while the lower portion corresponds to the percentage of "greater than ideal”. the ideal ".
- the central part corresponds to the percentage “ideal as taste” and the part just below the percentage “less than ideal”.
- the last (bottom) part of the bars corresponds to the "Much less than ideal" percentage.
- the coverage (amount of color deposited on the lips), according to Figure 15, was considered ideal for 75% of respondents in the case of the G5L sample.
- the top of the bars is the percentage of "Much more coverage I like," while the bottom is the percentage of "More coverage I like.”
- the middle part corresponds to the percentage “ideal / presents the coverage the way I like” and the part just below the percentage “the least coverage I like”.
- the last (lower) part of bars corresponds to "Much less coverage than I like" percentage.
- the lip film thickness left by the G5L sample was considered ideal by 73% of the survey participants.
- the top of the bars is the “Much thicker I like” percentage, while the bottom is the “Thicker I like” percentage.
- the middle part corresponds to the percentage “ideal / presents the thickness of the film the way I like it" and the part just below the percentage “Less thick than I like”.
- the last (bottom) part of the bars corresponds to the "Much less thick I like” percentage.
- Figure 17 in turn, reveals that the creaminess of the film was considered ideal by 75% of participants for sample D7R, followed by sample G5L (71%).
- the top part of the bars corresponds to the "Much more creamy I like” percentage, while the bottom part corresponds to the “Most creamy I like” percentage.
- the middle part corresponds to the "ideal / the creaminess of the movie the way I like” percentage and the lower part to the “less creamy I like” percentage.
- the last (bottom) part of the bars corresponds to the "Much less creamy I like” percentage.
- the brightness was considered ideal for 60% of the interviewees in the case of the D7R sample, followed by 57% for the G5L sample, as shown in Figure 18.
- the upper part of the bars corresponds to the percentage of "Much brighter than I like", while the part below corresponds to the percentage of "brighter I like”.
- the middle part corresponds to the percentage “ideal / provides the brightness the way I like” and the part below the percentage “Less brightness that I like”.
- the last (bottom) part of the bars corresponds to the "Much less luster I like" percentage.
- the product considered to be the least drained by 67% of respondents was the M8Y, as shown in Figure 19.
- the upper part of the bars corresponds to the percentage of "Do not drain", while the part below corresponds to the percentage of "Does not run well”. .
- the part below corresponds to the percentage “Drains” and the last (bottom) part of the corresponding bars put the percentage "It runs a lot”.
- the upper part of the bars corresponds to the percentage of "Much more hydrated / soft than usual", while the part below corresponds to the percentage of "more hydrated / softer than usual”.
- the central part corresponds to the percentage "hydrated / soft as usual” and the part just below the percentage “less hydrated / soft than usual”.
- the last (bottom) part of the bars corresponds to the "Much less hydrated / soft than usual” percentage.
- Figure 21 reveals that the longest lasting products are G5L, followed by S2R.
- the upper part of the bars corresponds to the percentage of "Very satisfactory", while the lower part corresponds to the percentage of "Satisfactory”.
- the central part corresponds to the percentage of "Neither unsatisfactory nor satisfactory”.
- the part below corresponds to the "Unsatisfactory” percentage and the last (bottom) part of the bars corresponds to the "Very unsatisfactory” percentage.
- the G5L and X4T samples showed more consumers classifying them as "much better than the usual product", as shown in Figure 26.
- the upper part of the bars corresponds to the percentage of "Much better than my usual product", while that the part below corresponds to the percentage of "Better than my usual product”.
- the middle part corresponds to the percentage “equal to my usual product” and the part just below the percentage "worse than my usual product”.
- the last (bottom) part of the bars corresponds to the percentage "Much worse than my usual product.”
- Sample D7R followed by S2R had the highest preference indices, as shown in Figure 27.
- the upper part of the bars corresponds to the "first”, while the lower part corresponds to the "second”.
- the central part corresponds to the "third” and the part just below the "fourth”.
- the last (bottom) part of the bars corresponds to the "fifth”.
- M8Y comprises formulation without silica microspheres and emollients, which are present in G5L.
- sample G5L performed better than samples X4T and M8Y, although it did not differ from X4T in some attributes. In comparison with D7R and S2R, the G5L sample also presented similar and often superior performance in the evaluated attributes.
- the tests below consist of sentences presented to the interviewees, who should evaluate each product tested and say how much they agree or disagree as to whether the product tested has these characteristics.
- the upper part of the bars corresponds to “strongly agree”, while the lower part corresponds to “partially agree”.
- the middle part is "Neither Agree nor Disagree” and the part below is “Partially Disagree”.
- the last (bottom) part of the bars corresponds to "Strongly Disagree”.
- Figure 32 shows that 33% of respondents felt their lips were less dry for the D7R product, followed by 30% of respondents for G5L.
- Figure 35 reveals that 32% of respondents had a mouthfeel with the D7R product, followed by 30% of respondents to G5L.
- Figure 36 reveals that 31% of respondents had a 24-hour feeling of hydrated lips with the D7R product, followed by 29% of respondents for G5L.
- Figure 38 reveals that 29% of respondents had a feeling of improved overall lip appearance with the D7R product, followed by 25% of respondents for G5L.
- Figure 40 reveals that 49% of respondents felt that the D7R product does not make the lips sticky / sticky, followed by 43% of respondents for G5L.
- Figure 42 reveals that 22% of respondents had a The D7R product disguises the thin lines of the lips, followed by 19% of respondents to G5L.
- Figure 43 reveals that 32% of respondents felt that the D7R product provides softer lips, followed by 26% of respondents to G5L.
- Dry skin is one of the most common dermatoses in humans. This disorder is characterized by roughness and superficial desolation, and is usually associated with feelings of loss of brightness, irritation, redness and pain.
- cosmetics act by keeping the stratum corneum hydrated by two biophysical mechanisms: the first is related to lipid substances based mainly on fatty acids, altering the skin regions, ie, creating a barrier against water loss.
- the second mechanism is described by a natural humidification factor, which consists of a mixture of high hygroscopic water soluble compounds. These compounds work against dehydration by keeping the skin soft and moist.
- the restorative activity in cosmetic products is mainly due to the quality and quantity of emollients and humectants present, especially regarding the hydrophilic capacity of these products.
- microcameras allows the skin to be microscopically evaluated, with 10x to 700x magnifications, obtaining information that can vary air of texture and relief to coloring aspects.
- image analysis software allows, however, to obtain quantitative information through the collected images.
- the main step that determines the applicability and success of the technique is the definition of the evaluation parameter that will be used, even before obtaining the digital images.
- the aim of the present study was to evaluate the efficacy of the lipstick applied to the restoration and uniformity of lip skin texture.
- Control group of volunteers who remained without the use of any lip products during the study.
- the product When compared to baseline, the product showed a statistically significant reduction in% Damage after 1, 2, 72 and 168 hours of use. There was also a positive evolution in the effect of the product in relation to the reduction of lip damage, including the minimization of dryness of the lips and the increase of uniformity of the lip skin, evidenced by the scaling down.
- % RL 100 ( Df - D ⁇ / D g , Equation 1 where: DtO is the basal damage level (tO) and Dti is the damage level after use for 1, 2; 72 or 168 hours.
- Test 3 FTIR-ATR skin hydration assessment
- Skin hydration has been considered a subject of great interest, both in the medical and chemical-cosmetic areas.
- Hydration control is extremely complex because it is not just a factor.
- the state of hydration is the result of the action of numerous substances, such as hygroscopic molecules, free amino acids known as natural hydration factor (NMF) and extra-cellular substances such as lamellar layer lipids responsible for stratum corneum cohesion. .
- NMF natural hydration factor
- Moisturizing cosmetic formulas can do one of two things: prevent water loss by forming a barrier against evaporation (occlusive), or may hydrate the stratum corneum by the water contained in the applied product or by absorbing water from the atmosphere (humectant).
- TEWL transdermal water loss
- FTIR-ATR spectroscopic analysis
- FTIR-ATR Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy
- Penetration depth can be controlled by crystal choice and incidence angle
- the applied product also has absorption peaks at 2920 cm-1, which makes its use difficult.
- the Amida II band occurs between 1510 and 1580 cm -1 and is more complex than Amida I, being derived mainly from the angular deformation in the plane of the N-H bond (40 to 50%). The rest of the energy comes from C-N (18-40%) and C-C (about 10%) stretches (Krimm, 1986; Arrondo, 1993).
- the present study aimed to evaluate the skin hydration level after application of the product of the present invention on the skin of the volar forearm region of 20 volunteers.
- Skin hydration measurements were made by the FTIR-ATR technique. The experimental procedure was performed as below.
- the volunteers remained in a climate-controlled room (22 ⁇ 2 ° C and 50 ⁇ 5% RH) for 20 minutes prior to each measurement.
- the spectra were obtained by the principal researcher, positioning the volunteer's forearm over the FTIR-ATR cell, performing 20 cumulative scans on each.
- Figures 46 and 47 illustrate the calculated hydration results relative to control, H and Hydration Percentage,% H respectively.
- the sample showed a significant increase (P ⁇ 0.05) of the A1650 / A1550 ratio after 15 minutes and 24 hours of application, in relation to the basal state. In the control site there was no significant difference (P> 0.05) after 15 minutes and 24 hours when compared to the baseline value.
- the hydration of the skin conferred by the product of the invention showed a statistically significant difference (P> 0.05) after 15 minutes and 24 hours of application. This indicates that the product has kept the skin hydrated for up to 24 hours.
- the application of the product on the skin in the forearm region kept the skin hydrated for up to 24 hours after application.
Abstract
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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PCT/BR2011/000306 WO2013029125A1 (pt) | 2011-08-31 | 2011-08-31 | Composição cosmética para os lábios contendo micropartículas esféricas |
MX2014002422A MX2014002422A (es) | 2011-08-31 | 2011-08-31 | Composicion cosmetica para labios que contiene microparticulas esfericas de silice. |
AU2011376275A AU2011376275A1 (en) | 2011-08-31 | 2011-08-31 | Cosmetic composition for the lips containing spherical silica microparticles |
BR112014004856-8A BR112014004856B1 (pt) | 2011-08-31 | 2011-08-31 | Composição cosmética para os lábios contendo micropartículas esféricas |
EP11773984.7A EP2749319A1 (en) | 2011-08-31 | 2011-08-31 | Cosmetic composition for the lips containing spherical silica microparticles |
US14/240,885 US20140302102A1 (en) | 2011-08-31 | 2011-08-31 | Cosmetic composition for the lips containing spherical microparticles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR2011/000306 WO2013029125A1 (pt) | 2011-08-31 | 2011-08-31 | Composição cosmética para os lábios contendo micropartículas esféricas |
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WO2013029125A1 true WO2013029125A1 (pt) | 2013-03-07 |
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PCT/BR2011/000306 WO2013029125A1 (pt) | 2011-08-31 | 2011-08-31 | Composição cosmética para os lábios contendo micropartículas esféricas |
Country Status (6)
Country | Link |
---|---|
US (1) | US20140302102A1 (pt) |
EP (1) | EP2749319A1 (pt) |
AU (1) | AU2011376275A1 (pt) |
BR (1) | BR112014004856B1 (pt) |
MX (1) | MX2014002422A (pt) |
WO (1) | WO2013029125A1 (pt) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11000711B2 (en) | 2009-12-29 | 2021-05-11 | W. R. Grace & Co.-Conn. | Compositions for forming films having a desired degree of obscuration and methods of making and using the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109908031A (zh) * | 2019-03-07 | 2019-06-21 | 浙江纳美新材料股份有限公司 | 一种可食用口红色浆及其制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US5034216A (en) | 1990-01-24 | 1991-07-23 | Revlon, Inc. | Anhydrous cosmetic product containing a particular gel phase |
US20020197222A1 (en) * | 1998-04-15 | 2002-12-26 | Yoram Fishman | Long-lasting liquid color compositions |
US6548075B1 (en) | 1998-12-28 | 2003-04-15 | Celanese Ventures Gmbh | Cosmetic or medical preparation for topical use |
EP1439816A1 (en) | 2001-10-30 | 2004-07-28 | Degussa AG | Use of granulates based on pyrogenically-produced silicon dioxide in cosmetic compositions |
EP1671614A1 (fr) * | 2004-12-17 | 2006-06-21 | L'oreal | Emulsion cosmétique comprenant des particules solides |
WO2008022836A1 (en) | 2006-08-22 | 2008-02-28 | Evonik Degussa Gmbh | Fumed silica for use as auxiliary in pharmaceutical and cosmetic compositions |
FR2915375A1 (fr) * | 2007-04-30 | 2008-10-31 | Oreal | Composition cosmetique solide |
WO2009022306A2 (en) | 2007-08-13 | 2009-02-19 | Procter & Gamble International Operations Sa | Compositions comprising dye-loaded particles |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US4996044A (en) * | 1985-03-21 | 1991-02-26 | Revlon, Inc. | Lipstick formulation and method |
FR2938436B1 (fr) * | 2008-11-18 | 2011-08-26 | Natura Cosmeticos Sa | Composition cosmetique pour le nettoyage de la peau |
-
2011
- 2011-08-31 EP EP11773984.7A patent/EP2749319A1/en not_active Withdrawn
- 2011-08-31 WO PCT/BR2011/000306 patent/WO2013029125A1/pt active Application Filing
- 2011-08-31 US US14/240,885 patent/US20140302102A1/en not_active Abandoned
- 2011-08-31 MX MX2014002422A patent/MX2014002422A/es unknown
- 2011-08-31 AU AU2011376275A patent/AU2011376275A1/en not_active Abandoned
- 2011-08-31 BR BR112014004856-8A patent/BR112014004856B1/pt not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5034216A (en) | 1990-01-24 | 1991-07-23 | Revlon, Inc. | Anhydrous cosmetic product containing a particular gel phase |
US20020197222A1 (en) * | 1998-04-15 | 2002-12-26 | Yoram Fishman | Long-lasting liquid color compositions |
US6548075B1 (en) | 1998-12-28 | 2003-04-15 | Celanese Ventures Gmbh | Cosmetic or medical preparation for topical use |
EP1439816A1 (en) | 2001-10-30 | 2004-07-28 | Degussa AG | Use of granulates based on pyrogenically-produced silicon dioxide in cosmetic compositions |
EP1439816B1 (en) * | 2001-10-30 | 2008-10-15 | Evonik Degussa GmbH | Use of granulates based on pyrogenically-produced silicon dioxide in cosmetic compositions |
EP1671614A1 (fr) * | 2004-12-17 | 2006-06-21 | L'oreal | Emulsion cosmétique comprenant des particules solides |
WO2008022836A1 (en) | 2006-08-22 | 2008-02-28 | Evonik Degussa Gmbh | Fumed silica for use as auxiliary in pharmaceutical and cosmetic compositions |
FR2915375A1 (fr) * | 2007-04-30 | 2008-10-31 | Oreal | Composition cosmetique solide |
WO2009022306A2 (en) | 2007-08-13 | 2009-02-19 | Procter & Gamble International Operations Sa | Compositions comprising dye-loaded particles |
Non-Patent Citations (6)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11000711B2 (en) | 2009-12-29 | 2021-05-11 | W. R. Grace & Co.-Conn. | Compositions for forming films having a desired degree of obscuration and methods of making and using the same |
Also Published As
Publication number | Publication date |
---|---|
AU2011376275A1 (en) | 2014-04-17 |
BR112014004856A2 (pt) | 2016-02-23 |
US20140302102A1 (en) | 2014-10-09 |
EP2749319A1 (en) | 2014-07-02 |
BR112014004856B1 (pt) | 2018-02-06 |
MX2014002422A (es) | 2014-09-25 |
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