摘要:
The present invention provides a composition for skin or hair which achieves an excellent UV absorption in a wide range of UV wavelength from the UV-A to the UV-B without inhibiting the effect of the alkyl β,β-diphenylacrylate and the α-cyano-β,β-diphenylacrylate (e.g. octocrylene) which serve to improve the photostability of dibenzoylmethane derivative. The composition for skin or hair comprises: (a) a dibenzoylmethane derivative, (b) an alkyl β,β-diphenylacrylate and/or an α-cyano-β,β-diphenylacrylate (e.g. octocrylene), and (c) a specific benzalmalonate derivative (e.g. di(2-ethylhexyl)-4-methoxybenzalmalonate).
摘要:
The present invention provides a composition for skin or hair which achieves an excellent UV absorption in a wide range of UV wavelength from the UV-A to the UV-B without inhibiting the effect of the alkyl β,β-diphenylacrylate and the α-cyano-β,β-diphenylacrylate (e.g. octocrylene) which serve to improve the photostability of dibenzoylmethane derivative. The composition for skin or hair comprises: (a) a dibenzoylmethane derivative, (b) an alkyl β,β-diphenylacrylate and/or an α-cyano-β,β-diphenylacrylate (e.g. octocrylene), and (c) a specific benzalmalonate derivative (e.g. di(2-ethylhexyl)-4-methoxybenzalmalonate).
摘要:
A one-phase microemulsion composition, which can be easily prepared without the use of special equipment, has high safety, and stays stable for a long period in an ultrafine emulsion state when the composition is added to an aqueous formulation, is provided by appropriately adjusting the ratio of (A) a hydrophilic nonionic surfactant, (B) a lipophilic nonionic surfactant, (C) an oil component, (D) a water-miscible solvent that does not interdissolve with the oil component, and the critical micelle concentration (CMC) of the hydrophilic nonionic surfactant in the water-miscible solvent is higher than that of the hydrophilic nonionic surfactant in water, and (E) water.
摘要:
The present invention is a sunscreen cosmetic comprising 4-(1,1-dimethylethyl)-4′-methoxydibenzoylmethane, a benzotriazole derivative represented by the following general formula (I), and ethylhexyl 2-cyano-3,3-diphenylacrylate.The present invention is a sunscreen cosmetic comprising hexyl diethylaminohydroxybenzoylbenzoate and a benzotriazole derivative represented by the following general formula (I). (In this formula, R′=a straight chain alkyl group of C1-C6 and R″=a straight chain alkyl group of C1-C3.)The object of the present invention is to provide a sunscreen cosmetic that prevents staining due to secondary adhesion to clothing.
摘要:
A one-phase microemulsion composition, which can be easily prepared without the use of special equipment, has high safety, and stays stable for a long period in an ultrafine emulsion state when the composition is added to an aqueous formulation, is provided by appropriately adjusting the ratio of (A) a hydrophilic nonionic surfactant, (B) a lipophilic nonionic surfactant, (C) an oil component, (D) a water-miscible solvent that does not interdissolve with the oil component, and the critical micelle concentration (CMC) of the hydrophilic nonionic surfactant in the water-miscible solvent is higher than that of the hydrophilic nonionic surfactant in water, and (E) water.
摘要:
The present invention is a sunscreen cosmetic comprising 2,4-bis[[4-(2-ethylhexyloxy)-2-hydroxy]phenyl]-6-(4-methoxyphenyl)-1,3,5-triazine and a specific benzotriazole derivative.Also, the present invention is a sunscreen cosmetic comprising a specific benzotriazole derivative and a specific alkylaryl 1,3-propanedione silicone derivative.An object of the present invention is to provide a sunscreen cosmetic that exhibits superior UV-A absorption capacity and excellent stability and also sufficiently dissolves 2,4-bis[[4-(2-ethylhexyloxy)-2-hydroxy]phenyl]-6-(4-methoxyphenyl)-1,3,5-triazine, which has low solubility and crystallizes easily.Another object is to provide a sunscreen cosmetic that can synergistically improve the ultraviolet absorption capacity of conventional ultraviolet absorbents.
摘要:
The present invention is a skin treatment composition that characteristically contains an alkyl benzoate represented by the following general formula (1). This provides a skin treatment composition that gives a refreshing sensation at the time of application and can contain drugs and ultraviolet absorbents in a stable manner. Also, the present invention is a sunblock water-in-oil type emulsified cosmetic characteristically comprising an ester bond product of polyhydroxystearic acid represented by the following general formulas (2) or (3), alkyl benzoate represented by the following general formula (1), and an ultraviolet absorbent. This provides a sunblock cosmetic consisting of a water-in-oil type emulsified composition that can contain an ultraviolet absorbent in a stable manner and exhibits a superior usability. (In this formula, R denotes a branched or straight chain alkyl group having 8-15 carbon atoms.) (In this formula, R1 and R2 denote, independently of each other, a hydrogen atom or a lower alkyl group having 1-6 carbon atoms, a+b denotes an integer 1-30, and m denotes an integer 10-200.) (In this formula, R1 and R2 denote, independently of each other, a hydrogen atom or a lower alkyl group having 1-6 carbon atoms, a+b denotes an integer 1-30, and n denotes an integer 1-30.)
摘要:
A skin treatment composition that characteristically contains alkylene polyglycol dineopentanoate having a specific structure.The object is to provide a skin treatment composition that gives a refreshing sensation at the time of application and contains an oil component that is highly safe with low skin irritation.The skin treatment composition specifically contains diethyleneglycol dineopentanoate, triethyleneglycol dineopentanoate, tetraethyleneglycol dineopentanoate, dipropyleneglycol dineopentanoate, tripropyleneglycol dineopentanoate, etc.Dipropyleneglycol dineopentanoate and tripropyleneglycol dineopentanoate are particularly preferable in terms of the sensation at the time of application; they provide a skin treatment composition that is particularly superior in absorption into the skin and a sensation of permeation and highly safe.
摘要:
A skin treatment composition that characteristically contains alkylene polyglycol dineopentanoate having a specific structure.The object is to provide a skin treatment composition that gives a refreshing sensation at the time of application and contains an oil component that is highly safe with low skin irritation.The skin treatment composition specifically contains diethyleneglycol dineopentanoate, triethyleneglycol dineopentanoate, tetraethyleneglycol dineopentanoate, dipropyleneglycol dineopentanoate, tripropyleneglycol dineopentanoate, etc.Dipropyleneglycol dineopentanoate and tripropyleneglycol dineopentanoate are particularly preferable in terms of the sensation at the time of application; they provide a skin treatment composition that is particularly superior in absorption into the skin and a sensation of permeation and highly safe.
摘要:
The present invention is a skin treatment composition that characteristically contains an alkyl benzoate represented by the following general formula (1).This provides a skin treatment composition that gives a refreshing sensation at the time of application and can contain drugs and ultraviolet absorbents in a stable manner.Also, the present invention is a sunblock water-in-oil type emulsified cosmetic characteristically comprising an ester bond product of polyhydroxystearic acid represented by the following general formulas (2) or (3), alkyl benzoate represented by the following general formula (1), and an ultraviolet absorbent.This provides a sunblock cosmetic consisting of a water-in-oil type emulsified composition that can contain an ultraviolet absorbent in a stable manner and exhibits a superior usability. (In this formula, R denotes a branched or straight chain alkyl group having 8-15 carbon atoms.) (In this formula, R1 and R2 denote, independently of each other, a hydrogen atom or a lower alkyl group having 1-6 carbon atoms, a+b denotes an integer 1-30, and m denotes an integer 10-200.) (In this formula, R1 and R2 denote, independently of each other, a hydrogen atom or a lower alkyl group having 1-6 carbon atoms, a+b denotes an integer 1-30, and n denotes an integer 1-30.)