	US 12,419,826 B2
	Cosmetic composition for improving fragrance persistence
Nakyung Han, Seoul (KR); Seungmin Han, Seoul (KR); Ilgu Kim, Seoul (KR); and Sun Gyoo Park, Seoul (KR)
Assigned to LG HOUSEHOLD & HEALTH CARE LTD., Seoul (KR)
Appl. No. 17/294,170
Filed by LG HOUSEHOLD & HEALTH CARE LTD., Seoul (KR)
PCT Filed Nov. 15, 2019, PCT No. PCT/KR2019/015698 § 371(c)(1), (2) Date May 14, 2021, PCT Pub. No. WO2020/101446, PCT Pub. Date May 22, 2020.
Claims priority of application No. 10-2018-0141102 (KR), filed on Nov. 15, 2018; and application No. 10-2019-0062010 (KR), filed on May 27, 2019.
Prior Publication US 2022/0008318 A1, Jan. 13, 2022
Int. Cl. A61K 8/87 (2006.01); A61K 8/02 (2006.01); A61K 8/891 (2006.01); A61Q 13/00 (2006.01); A61Q 19/00 (2006.01)

CPC A61K 8/87 (2013.01) [A61K 8/0291 (2013.01); A61K 8/891 (2013.01); A61Q 13/00 (2013.01); A61Q 19/00 (2013.01)]

5 Claims

1. A method for improving fragrance persistence comprising: applying a cosmetic composition comprising a non-ionic polymer having hydrophobic substituents at both termini, an oil and a fragrance, as active ingredients,

wherein the oil is dimethicone,

wherein the content of the non-ionic polymer having hydrophobic substituents at both termini is 2% to 10% by weight relative to the total weight of the cosmetic composition,

wherein the non-ionic polymer having hydrophobic substituents at both termini is PEG-150/decyl alcohol/SMDI copolymer, and

wherein the oil, the fragrance, and the non-ionic polymer having hydrophobic substituents at both termini form a flower micelle structure in the cosmetic composition by the oil and the fragrance being captured by the hydrophobic substituents of the non-ionic polymer, and thereby improving fragrance persistence,

and wherein the cosmetic composition further comprises water in an amount ranging from 74.48% to 89.48% relative to the total weight of the cosmetic composition.