Patent ID: 7700082

Claim:
A method of using a cosmetic article comprising: (a) providing a cosmetic article containing a cosmetic composition which cosmetic composition contains in a dispensible form an aqueous dispersion of at least one polyurethane-urea polymer that is functionalized with at least one silyl containing component selected from the group consisting of: H 2 NCH 2 CH 2 CH 2 Si(OC 2 H 5 ) 3 , HN(CH 2 CH 2 CH 2 Si(OC 2 H 5 ) 3 ) 2 , HSCH 2 CH 2 CH 2 Si(OCH 3 ) 3 , HO(C 2 H 4 O) 3 C 2 H 4 N(CH 3 (CH 2 ) 3 Si(OC 4 H 9 ) 3 , H 2 NCH 2 C 6 H 4 CH 2 CH 2 Si(OCH 3 ) 3 , HSCH 2 CH 2 CH 2 Si(OCOCH 3 ) 3 , H 2 NCH 2 CH 2 CH 2 Si(OCH 3 ) 3 , HN(CH 3 )CH 2 CH 2 Si(OCH 3 ) 3 , HSCH 2 CH 2 CH 2 SiCH 3 (OCH 3 ) 2 , (HOC 2 H 5 ) 2 NC 3 H 6 Si(OCH 3 ) 3 , H 2 NCH 2 CH 2 CH 2 NHCH 2 CH 2 CH 2 Si(OCH 3 ) 3 , OCNCH 2 CH 2 CH 2 Si(OCH 3 ) 3 , and mixtures thereof; (b) applying said cosmetic article to a person's skin or nails; and (c) forming a film.