| abstract |
(57) Abstract: weight, (a) ultrafine particles of titanium dioxide or zinc oxide, or mixtures thereof: about 30 to 65% (b) Organic sunscreens: about 30% to 70%, and (c) C 4 -C 36 of α- olefin alkylated polyvinylpyrrolidone and a dispersing aid: consists of about 0.25 to 25%, discloses a water-resistant sunscreen concentrate in the form of stable and homogeneous dispersion. |