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US 12,648,896 B2Granted
Emulsion cosmetic
AssigneeShiseido Company, Ltd.
InventorsYuko Nagare, Kei Ujimoto, Kouichi Nagai, Ryoya Ito
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Abstract
An objective of the present invention is to provide an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a prescribed alkylene oxide derivative, and (C) an ester oil.
Claims9
An emulsion cosmetic comprising
- (A) 7 to 35% by mass of an ultraviolet protectant;
- (B) 5 to 20 mass % of polyethylene glycol (PEG)/polypropylene glycol (PPG)-9/2 dimethyl ether;
- (C) 3.0 to 50% by mass of an ester oil having an IOB value of 0.3 or higher, and
- (D) water;
- wherein the (A) ultraviolet protectant comprises an ultraviolet absorbing agent and an ultraviolet scattering agent;
- the ultraviolet absorbing agent comprises at least one of octocrylene, bis-ethylheyloxyphenol methoxyphenyl triazine, diethylamino hydroxybenzoyl hexyl benzoate, ethylhexyl triazone and 4-tert-butyl-4′-methoxy dibenzoyl methane, the ultraviolet scattering agent comprises at least one of hydrophobically treated titanium oxide and hydrophobically treated zinc oxide, and wherein when the (A) ultraviolet protectant comprises 4-tert-butyl-4′-methoxy dibenzoyl methane, a blended amount of 4-tert-butyl-4′-methoxy dibenzoyl methane in the (A) ultraviolet protectant is 10% by mass or less relative to a total amount of the (A) ultraviolet protectant,
- wherein the cosmetic is a water-in-oil emulsion cosmetic;
- wherein the cosmetic does not comprise ethylhexyl methoxycinnamate, and
- wherein the cosmetic does not comprise phenylbenzimidazole sulfonic acid.
6 more elements
Dependencies are inferred from the claim text.