Cosmate®SM, Silymarin e bua ka sehlopha sa li-antioxidants tsa flavonoid tseo ka tlhaho li hlahang ka har'a peo ea hlaba-hlabane ea lebese (e neng e sebelisoa ho tloha khale e le pheko bakeng sa chefo ea li-mushroom). Likarolo tsa Silymarin ke Silybin, Silibinin, Silydianin, le Silychristin. Metsoako ena e sireletsa le ho phekola letlalo khatellong ea oxidative e bakoang ke mahlaseli a kotsi a ultraviolet. Cosmate®SM, Silymarin e boetse e na le thepa e matla ea antioxidant e lelefatsang bophelo ba lisele. Cosmate®SM, Silymarin e ka thibela ts'enyeho ea UVA le UVB. E boetse e ntse e ithutoa ka bokhoni ba eona ba ho thibela tyrosinase (enzyme ea bohlokoa bakeng sa motsoako oa melanin) le hyperpigmentation. Ka pholiso ea maqeba le ho thibela botsofali, Cosmate®SM,Silymarin e ka thibela tlhahiso ea li-cytokine tse khannang ho ruruha le li-enzyme tse nang le oxidative. E ka boela ea eketsa tlhahiso ea collagen le glycosaminoglycans (GAGs), ea khothalletsa mefuta e mengata ea melemo ea litlolo. Sena se etsa hore motsoako o be moholo ho li-antioxidant serums kapa e le motsoako oa bohlokoa ho li-sunscreens.