The present invention relates to the use of a polymer in a cosmetic, dermatological or pharmaceutical composition, wherein the polymer is crosslinked or non-crosslinked, characterized in that the polymer comprises at least 9.49 mol-% of repeating units (a) according to Formula (1) wherein at least 10 wt.-%, preferably at least 20 wt.-% of the repeating units according to Formula (1) comprise from 28 wt.-% to 100 wt.-% bio-based carbon content, relative to the total mass of carbon in the repeating unit according to Formula (1), measured according to standard ASTM D6866-12, Method B
