A61K8/068

METHOD OF USE OF PERSONAL CLEANSING COMPOSITIONS
20210196605 · 2021-07-01 ·

The invention provides a method of using a personal cleansing composition, said personal cleansing composition comprising, in an aqueous continuous phase: (i) from 5 to 30% by weight of one or more anionic cleansing surfactants; (ii) from 0.1 to 10% by weight of discrete, dispersed droplets of emulsified silicone with a mean diameter (D3,2) of 4 micrometres or less; (iii) from 0.1 to 5% by weight of microcapsules in which a core comprising benefit agent is encapsulated in a polymeric shell, and (iv) from 0.1 to 0.5% by weight of a combination of cationic polymers comprising: (a) at least one cationic polygalactomannan having a mean charge density at pH7 from 0.2 to 2 meq per gram; and (b) at least one acrylamidopropyltrimonium chloride/acrylamide copolymer having a mean charge density at pH7 from 1 to 3 meq per gram; wherein the method comprises the steps of—applying the personal cleansing composition to a substrate selected from hair and skin;—drying the substrate; and—shearing the microcapsules to release the benefit agent after a period of from 24 h to 2 weeks.

PROCESS FOR PRODUCING MICROEMULSION SYSTEM OF NANO ESSENTIAL OIL
20210277325 · 2021-09-09 ·

The invention relates to the process for producing an microemulsion system of nano essential oil, the process comprising the following steps: (i) preparing a dispersed phase of essential oil; (ii) preparing of a carrier formed from a mixture of diethylene glycol monoethyl ether and lecithin; (iii) adding the carrier to the dispersed phase while keeping the dispersed phase temperature between 60 and 100° C. after addition of the carrier, while simultaneously stirring under vacuum; then pass the entire solution mixture through the system of high-pressure homogeneous machine integrated dispersion nozzle; (iv) adding the solution mixture obtained in step (iii) to Capryol 90 while keeping the mixture temperature between 60 and 100° C., and stirring at a rate ranging from 400 up to 800 rpm under vacuum; (v) cooling the mixture, homogenizing the mixture by ultrasonication to achieve a droplet size smaller than 100 n.

Sugar-based surfactant microemulsions containing essential oils for cosmetic and pharmaceutical use

The present invention relates to a thermodynamically stable, biocompatible, environment friendly, and temperature-insensitive microemulsion containing various botanical essential oils, sugar based surfactants, polyhydric alcohols, and an aqueous phase.

COMPOSITION COMPRISING AT LEAST TWO FATTY ACID ESTERS OF (POLY)GLYCEROL, AND USE THEREOF IN COSMETICS
20210121379 · 2021-04-29 ·

The invention relates to a composition in the form of a nanoemulsion or microemulsion, comprising: at least two different fatty acid esters of (poly)glycerol a) and b); c) at least one polyol in a total content of greater than 15% by weight; d) at least one oil; e) water; and f) at least one anionic surfactant of formula (II)

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it being understood that said composition comprises at least one anionic surfactant of formula (II) when the first fatty acid ester of (poly)glycerol is a polyglyceryl laurate comprising from 3 to 6 glycerol units and the second fatty acid ester of (poly)glycerol is a (poly)glyceryl laurate comprising from 1 to 3 glycerol units.

The invention also relates to a cosmetic treatment process for reducing and/or preventing the signs of ageing of keratin materials such as the skin, by application of such a composition.

CONCENTRATED PERSONAL CLEANSING COMPOSITIONS AND METHODS

Methods for enhancing fragrance on skin upon initial application of a rinse-off cleansing composition can include combining surfactant, perfume, solvent, and water, to form the composition, wherein the composition has a total GCMS count higher than that of a control where the solvent is replaced with water when the total GCMS count is measured in accordance with the PSHAM method immediately following the initial application.

Process for producing small droplet emulsions at low pressure
11026869 · 2021-06-08 · ·

The present invention relates to novel process for making oil-in-water nanoemulsions. The oil phase contains oil selected from the group consisting of triglyceride oil and/or petrolatum and a C.sub.8 to C.sub.16 fatty acid just be added during preparation; and the aqueous phase contains specific N-acyl derivatives of carboxylic amino acid as primary emulsifier.

Cosmetic water-in-oil microemulsion
11020328 · 2021-06-01 · ·

A cosmetic water-in-oil microemulsion having advantageous rheological properties comprising: i) 20-40% w/w of oil phase ingredients with spreadability value of above 1700 mm2/10 min, ii) 15-35% w/w of oil phase ingredients with spreadability value between 1000 and 1700 mm2/10 min, iii) 1-15% w/w of oil phase ingredients with spreadability value between 500 and 999 mm2/10 min, iv) 0-10% w/w of oil phase ingredients with spreadability value of below 500 mm2/10 min, v) 5-30% w/w of fatty acid ester(s) of glycerol or fatty acid ester(s) of polyglycerol, vi) 5-20% w/w of water, co-surfactant(s) and optionally co-solvent(s), cosmetic active ingredient(s), skin care ingredient(s), water-soluble extract(s) of plant material and cosmetic auxiliary ingredient(s).

Concentrated Personal Cleansing Compositions and Methods

Rinse-off cleansing compositions can include surfactant, perfume, solvent, and water, wherein the rinse-off cleansing composition has a G′ of at least about 25 Pa and/or is not a ringing gel.

COSMETIC EMULSION COMPRISING 1,2-DECANEDIOL
20210113442 · 2021-04-22 ·

The present invention relates to novel cosmetic emulsions, comprising 1,2-decanediol, advantageous uses thereof and methods for their production.

EMULSIFYING COMPOSITION FOR COSMETIC USE FOR PRODUCING AN O/W PICKERING EMULSION AND PROCESS FOR PRODUCING THIS EMULSION

The application relates to an emulsifying composition, in particular for cosmetic use, allowing an oil-in-water emulsion (O/W) to be obtained, the emulsion comprising at least one cyclodextrin and at least one O/W emulsifier of natural origin with a hydrophilic-lipophilic balance value (HLB) of more than 8. The O/W emulsifier of natural origin can be selected from alkyl polyglucosides, mixtures of at least one alkyl polyglucoside and at least one fatty alcohol, and non-ethoxylated polyol fatty esters. The application also relates to a composition of the Pickering emulsion type, in particular for cosmetic use, containing the emulsifying composition according to the invention, and to the process for preparing such a composition of the O/W Pickering emulsion type, in particular at low temperatures.