In order to explore prospects for use of byproducts from the winemaking process of red grapes through the evaluation of one extract (grape pomace extract, GPE) and two fractions (one chloroform, GPE-CHF; one ethyl acetate, GPE-EAF) in cosmetics formulations, the experiment conducted revealed that the presence of GPE-EAF in suncare cosmetic products improved the photostability of the sunscreen system.