US 12,409,118 B2
External skin preparation
Arisu Nakatani, Sumida-ku (JP); and Nobuo Takazawa, Sumida-ku (JP)
Assigned to KAO CORPORATION, Tokyo (JP)
Appl. No. 17/759,666
Filed by KAO CORPORATION, Tokyo (JP)
PCT Filed Jan. 29, 2021, PCT No. PCT/JP2021/003138
§ 371(c)(1), (2) Date Jul. 28, 2022,
PCT Pub. No. WO2021/153705, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 2020-015777 (JP), filed on Jan. 31, 2020.
Prior Publication US 2023/0118811 A1, Apr. 20, 2023
Int. Cl. A61K 8/34 (2006.01); A61K 8/04 (2006.01); A61K 8/25 (2006.01); A61K 8/37 (2006.01); A61K 8/41 (2006.01); A61K 8/49 (2006.01); A61K 8/73 (2006.01); A61K 8/891 (2006.01); A61K 8/898 (2006.01); A61Q 17/04 (2006.01)
CPC A61K 8/347 (2013.01) [A61K 8/046 (2013.01); A61K 8/25 (2013.01); A61K 8/37 (2013.01); A61K 8/415 (2013.01); A61K 8/4966 (2013.01); A61K 8/738 (2013.01); A61K 8/891 (2013.01); A61K 8/898 (2013.01); A61Q 17/04 (2013.01)] 20 Claims
 
1. A non-aerosol spray external skin preparation comprising the following components (A), (B), and (C):
(A) one or more of an ultraviolet absorber selected from the group consisting of 2-ethylhexyl p-methoxycinnamate, diethylamino hydroxybenzoyl hexyl benzoate, bis-ethylhexyloxyphenol methoxyphenyl triazine, and ethylhexyl triazone;
(B) 0.5% by mass or more and 20% by mass or less of one or more of an oil gelling agent selected from the group consisting of dextrin palmitate, inulin stearate, and dibutylethylhexanol glutamide;
(C) 50% by mass or more of a non-aqueous volatile component, comprising
(C-1) dimethylpolysiloxane, and
at least 40% by mass or more and 95% by mass or less of (C-2) ethanol, the mass % of (C-2) based on a total mass of component (C), wherein
the % by mass of component (B) and component (C) are each based on total mass of the non-aerosol spray external skin preparation,
the non-aerosol spray external skin preparation has a ratio of component (B) to component (A) of 0.031 to 0.6 by mass, and
the non-aerosol spray external skin preparation comprises (D) a non-volatile liquid oil and (E) a film forming agent.