A rheofluidifying surfactant composition structured into planar lamellar phases includes: a) at least one anionic surfactant and b) at least one compound selected from among amphoteric surfactants and non-ionic surfactants, in which the total active material of said surfactants is between 35 and 60% by weight relative to the total weight of said composition, in which the ratio of anionic surfactant is between 0.3 and 0.9, the ratio of amphoteric surfactant is between 0.0 and 0.7 and the ratio of non-ionic surfactant is between 0.0 and 0.7, said ratio being the ratio between the weight percentage of active material of said surfactant in said composition and the weight percentage of total active material of said surfactants in said composition, the pH of the composition being between 4 and 8, said at least one anionic surfactant being selected from the group comprising alkyl sulfates, alkyl ether sulfates, sulfonates, derivatives of phosphoric acid, phosphates and alkyl phosphates, isethionates, taurates, sulfoccinates, alkyl sulfoacetates, anionic derivatives of proteins of plant origin, amino acids and amino acid derivatives, polypeptides, carboxylic acids and the salts of same, salts of fatty acids from saponification, lactic acid derivatives and alkyl polyglucoside derivatives, and said composition being free of sodium chloride other than that which may be provided by the surfactants.

The present invention relates to an apparatus for forming a delivery path for a composition for treatment and an auxiliary assembly for skin treatment including the same, and provides an apparatus for forming a delivery path for a composition for treatment and an auxiliary assembly for skin treatment including the same, the apparatus comprising: a light source; a light irradiating unit for receiving a light from the light source to irradiate the light on a surface of skin; and a control unit for controlling a pulse waveform of a light irradiated through the light irradiating unit so as to form a plurality of pores, which form a path through which a composition applied on the surface of the skin is transferred inside, on the surface of the skin after irradiating the light.

The invention relates to a hair colouring and/or bleaching composition comprising at least a first aqueous component (i) and a second aqueous component (ii) being mixed prior to application onto hair, wherein the first component (i) or the second component (ii) or both components (i) and (ii) comprise a gel-network system consisting of multi-lamellar sheets and vesicles with d-spacing (interlayer spacing between sheets) between 5 nm and 50 nm, preferably 10 nm to 30 nm, more preferred 15 nm to 25 nm as measured by Small Angle X-Ray Scattering (SAXS), and the first component (i) or the second component (ii) or both comprise at least a first malodor suppressant being a compound having a distribution coefficient logP of 2 or more and a molecular weight of between 100 and 400, a method for coloring or bleaching hair, a kit comprising the above components and the use of the described hair coloring composition for colouring and/or bleaching hair with a reduced or eliminated ammonia odour.

A personal care composition comprising: at least a first phase and a second phase wherein said first phase comprises a) an aqueous structured surfactant phase comprising STnS where n is between about 0 and about 2.5; b); c) a structuring system comprising i. optionally, a non-ionic emulsifier; ii. optionally, from about 0.05% to about 5%, by weight of said personal care composition, of an associative polymer; iii. an electrolyte; and said second phase comprises a) a benefit phase comprising from 1% to about 50%, by weight of said personal care composition, of a hydrophobic benefit agent.

The invention relates to a foam formulation comprising an emulsion, comprising an oil phase and a water phase, the oil phase comprising at least one membrane-forming substance forming a lamellar membrane in the foam formulation.

The invention relates to lamellar liquid composition comprising acyl isethionate, methyl acyl taurate, amphoteric and/or zwitterionic surfactant. Unexpectedly, applicants have found that, when ratio of isethionate to taurate is kept at about to 1:1, enhanced lather is achieved. Other criticalities include ratio of amphoteric and/or zwitterionic to anionic surfactant, total amount of surfactant, and pH.

The disclosure relates to a high-hardness liquid crystal cosmetic composition having an elastic texture, and a method of preparing the same. In a liquid crystal cosmetic composition according to an aspect, by selectively mixing with viscosity modifiers, a high-hardness liquid crystal cosmetic composition having an elastic texture may be formed, and by containing low-concentration oil, the liquid crystal cosmetic composition may have a refreshing and light feeling with a moisture feeling as compared with an existing liquid crystal cosmetic composition.

An aqueous shear-thinning personal care composition comprising: (a) at least 3 wt % of a sulfonate compound of general formula ##STR00001##
where R.sup.1 represents a C.sub.8-22 alkyl group alkyl group; R.sup.2 represents a C.sub.1-4 alkyl group; each of R.sup.3, R.sup.4 and R.sup.5 independently represents a hydrogen atom or a C.sub.1-4 alkyl group; and M.sup.+ represents a sodium or potassium cation;
(b) at least 3 wt % of an amphoteric or zwitterionic surfactant;
(c) at least 10 wt % of water; and
(d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.

The present disclosure relates to a cosmetic composition having piezoelectricity. More particularly, the present disclosure relates to a piezoelectric cosmetic composition which includes a piezoelectric material capable of generating microcurrent upon the application of pressure as an active ingredient.

According to the present disclosure, when the piezoelectric composition is applied to and massaged on the skin, it is possible to maximize an effect of skin care, including an effect of improving skin elasticity, by generating microcurrent.

The present invention provides an intermediate composition enabling to prepare easily and steadily an -gel-containing O/W emulsion cosmetic that has a very small viscosity change over time and is excellent in emulsion stability, without using a cooling device that has a heavy burden on cost and the environment, and a production method thereof. An -gel intermediate composition consisting of (A) 20 to 80 mass % of a mixture containing one or more higher alcohols having 16 or more carbon atoms and an anionic surfactant in the mole ratio of 3:2 to 5:1, and (B) 20 to 80 mass % of a mixture containing one or more water-soluble solvents having the IOB value of 1.5 to 3.5 and water in the mass ratio of 5:5 to 8:2, and wherein the composition is a liquid consisting of a bicontinuous microemulsion phase or a lamellar liquid crystal-dispersed bicontinuous microemulsion phase at 65 to 85 C. and a solid at room temperature.