L'oreal

Societe Anonyme Dite: L'oreal

Jacqueline Griat

Arlette Zabotto

Alain J Ribier

Guy G Vanlerberghe

Rose-Marie J Handjani

Elisabeth Picard

Jean-Thierry Simonnet

Quang L N'Guyen

Constantin Koulbanis

Francois Millecamps

Christiane Montastier

Jacqueline Lambert

Gerard Lang

Serge Forestier

Raluca Lorant

Jean-Pierre Laugier

Nadia Terren

Philippe M Touzan

Sophie Favre

Liliane Ayache

Rose M Handjani

Alian J Ribier

Jean Charrier

Umberto Bracco

Oil-in-water type emulsions having a pH below or equal to 3.5, especially a pH below or equal to 3, and comprising as a stabilizing agent a substantially water-soluble crosslinked anionic copolymer consisting of units derived from the reaction between (i) acrylamide, (ii) 2-acrylamido-2-methylpropanesulfonic acid and (iii) at least one compound possessing multiple olefinic unsaturation (crosslinking agent), in which the compound possessing multiple olefinic unsaturation is present in the copolymer at a concentration of between 0.06 and 1 mmol per mole of the collective monomer units, are stable.

Stable acidic oil-in- water type emulsions and compositions containing

An oil-in-water emulsion comprising an aqueous phase, a fatty phase, at least one silicone surfactant comprising at least one anionic group and at least one acidic compound other than the silicone surfactant, and a composition comprising such an emulsion. The invention also relates to the use of a silicone surfactant comprising at least one anionic group for the preparation of a stable emulsion comprising at least one acidic compound other than the silicone surfactant.

Oil-in-water emulsion, a composition comprising this emulsion and use of

Use of at least one sphingolipid or analogue, optionally in association with a chelating agent, as the active ingredient in the preparation of a cosmetic, sanitary or dermopharmaceutical composition for protecting skin and/or hair against the harmful effects of atmospheric pollution by heavy metals. Application especially in combatting the effects of rapid ageing of the skin and lacklustre appearance of hair caused by atmospheric pollution.

Use of sphingolipids in the preparation of a cosmetic or

Stable acidic oil-in-water type emulsions and compositions containing

Cosmetic or dermatological compositions comprising an oil-in-water type emulsion containing oily globules which are coated with a lamellar liquid crystal coating and are dispersed in an aqueous phase, in which each oily globule contains at least one lipophilic compound which is cosmetically or dermatologically active and is individually coated with a monolamellar or oligolamellar layer of at least one lipophilic surface-active agent, at least one hydrophilic surface-active agent, and at least one fatty acid, the coated oily globules having a mean diameter of less than 500 nanometers, preferably less than 200 nanometers, and the oily phase contains a basic agent in the dissolved state, exhibit good skin and hair penetration.

Cosmetic or dermatological composition comprising an oil-in-water

Compositions comprising a first dispersion of lipid vesicles which are capable of penetrating into the deep layers of the skin and which contain at least one active agent chosen from anti-oxygenated-free-radical agents, proteins, sugars, enzymes, vitamins, nucleotides and sequences thereof, trace elements, coenzymes, unsaturated fatty acid-rich phospholipids, silicon derivatives and plant extracts, for treating these deep layers, and a second dispersion of lipid vesicles which are capable of penetrating into the surface layers of the skin and which contain at least one active agent chosen from screening agents, anti-oxygenated-free-radical agents, sugars, amino acids, vitamins, ceramides, unsaponifiable products derived from plant oils, and components of sweat, for treating these surface layers, are effective protecting, nourishing and/or firming the skin.

Protective, nutritive and/or firming composition for the simultaneous

The solubilization of salicylic acid derivatives, and in particular of 5-n-octanoylsalicylic acid, is achieved by mixing the salicylic acid derivative with a vegetable oil. The obtained compositions are useful, in particular, for treating acne and ageing.

Cosmetic and/or dermatological compositions containing salicylic acid

Cosmetic or dermatological composition in the form of a stable oil-in-water emulsion, characterized in that it contains:

Oil-in-water emulsions containing an auto-emulsifiable composition based

A cosmetic composition which is a dispersion of spheres in an external aqueous phase. The spheres are organized molecular layers of a nonionic lipid material encapsulating an internal aqueous phase. The external aqueous phase contains an oil.

Cosmetic composition based on an aqueous dispersion of small lipid

The invention relates to an emulsion containing an aqueous phase dispersed in an oily phase using a mixed ester of isostearic acid and succinic acid with glycerol, and at least 10% by weight of polyol relative to the total weight of the emulsion. This emulsion is intended in particular for the cosmetic and/or dermatological treatment of hands.

Water-in-oil emulsion containing polyols and its use in cosmetology

A cosmetic composition which is a stabilized, oil-in-water dispersion of spheres in an external aqueous phase. The spheres are organized molecular layers of a nonionic amphiphilic lipid material encapsulating an internal aqueous phase. The external aqueous phase, containing an oil, is free of any surface active emulsifying agent.

The invention relates to a process for the preparation of cosmetics or pharmaceutical foam by foaming with the aid of a propellant. According to the invention, a charge consisting of a cosmetics or pharmaceutical product comprising a dispersion of a water-immiscible product in an aqueous solution, the said dispersion being stabilized by niosomes consisting of one or more nonionic lipid layers encapsulating an aqueous phase, the charge comprising 40 to 95% by weight of dispersion and 5 to 60% by weight of propellant, the proportions being stated with respect to the weight of the total charge of the chamber, are introduced into a chamber which is under pressure and fitted with a valve.

Process for the preparation of foams which can be used in the cosmetics

A process for the preparation of a stable emulsion of at least one water-immiscible liquid phase L in an aqueous phase D is described which comprises mixing the liquid phase or phases L with a dispersion of spheres in an aqueous phase D, the spheres having an average diameter of 0.025 to 5 microns and consisting of substantially concentric lipid laminae encapsulating an aqueous phase E between them, the lipid or lipids constituting the laminae being ionic or nonionic amphiphilic substances capable of forming a lamellar phase in water, and subjecting the whole to mechanical agitation so as to disperse the phase (or phases) L in the phase D in the form of droplets having an average diameter of 0.1 micron to a few microns.

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Ablon, France

Jacqueline Griat