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US 12,721,794 B2Granted
Cosmetic composition of liquid crystal lipid particles for hair care composition
AssigneeBASF SE
InventorsDong Ryeol Lee, Zhao Ting Liu, Yang Zhang
Life of this patent
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Abstract
The presently claimed invention relates to liquid crystal lipid particles. The presently claimed invention relates to liquid crystal lipid particles which are used in hair care composition and exhibit excellent hair moisturizing effect.
Claims26
A method for conditioning of hair comprising applying to the hair at least one liquid crystal lipid particle, wherein the liquid crystal lipid particle comprises,
- at least one compound of formula (I)
- wherein m is an integer in the range from ≥10 to ≤24 and n is an integer in the range from ≥1 to ≤25,
- at least one compound of formula (II)
- wherein a is an integer in the range from ≥10 to ≤24,
- at least one compound of formula (III)
- wherein x is an integer in the range from ≥10 to ≤24 and y is an integer in the range from ≥10 to ≤25,
- at least one compound of formula (IV)
- wherein p is an integer in the range from ≥10 to ≤16,
- at least one compound of formula (V)
- wherein A and B are each independently a hydrogen atom or alkali earth metal or an alkaline earth metal, and
- R is a linear or branched, saturated or unsaturated C10-C20 aliphatic radical
- and
- at least one compound of formula (VI)
- wherein r is an integer in the range from ≥9 to ≤18, and M is a hydrogen atom, an alkali earth metal or an alkaline earth metal;
- wherein the at least one compound of general formula (II) is selected from the group consisting of glycerol stearate, glycerol laurate and glycerol palmitate;
- and
- wherein the liquid crystal lipid particles have an average particle size in the range of ≥20 nm to ≤300 nm, determined using dynamic light scattering using Malvern DLS ZS90.
14 more elements
A method for conditioning of hair comprising applying to the hair at least one liquid crystal lipid particle, wherein the liquid crystal lipid particle consists of:
- at least one compound of formula (I)
- wherein m is an integer in the range from ≥10 to ≤24 and n is an integer in the range from ≥1 to ≤25,
- at least one compound of formula (II)
- wherein a is an integer in the range from ≥10 to ≤24,
- at least one compound of formula (III)
- wherein x is an integer in the range from ≥10 to ≤24 and y is an integer in the range from ≥10 to ≤25,
- at least one compound of formula (IV)
- wherein p is an integer in the range from ≥10 to ≤16,
- at least one compound of formula (V)
- wherein A and B are each independently a hydrogen atom or alkali earth metal or an alkaline earth metal, and
- R is a linear or branched, saturated or unsaturated C10-C20 aliphatic radical
- and
- at least one compound of formula (VI)
- wherein r is an integer in the range from ≥9 to ≤18, and M is a hydrogen atom, an alkali earth metal or an alkaline earth metal;
- wherein the at least one compound of general formula (II) is selected from the group consisting of glycerol stearate, glycerol laurate and glycerol palmitate;
- and
- wherein the liquid crystal lipid particles are in the form of a nanowax have an average particle size in the range of ≥20 nm to ≤300 nm, determined using dynamic light scattering using Malvern DLS ZS90;
- and wherein the liquid crystal lipid particles are obtained by a phase inversion temperature emulsification method.
15 more elements
Dependencies are inferred from the claim text.