Patent ID: 9561159
Date: 2017-02-07
CPC Classifications: A61K,A61Q

Claim:
1. A foamable sunscreen formulation comprising: a) active particles comprising b) about 1 wt % microcrystalline cellulose and about 0.2 wt % cellulose gum; c) about 16 wt % C d) about 1.2 wt % glyceryl stearate, about 0.5 wt % ceteareth-20, and about 2 wt % polysorbate 80; e) about 1.8 wt % polyhydroxystearic acid and about 2.7 wt % methyl methacrylate crosspolymer; f) about 0.8 wt % polyurethane-2, about 0.3 wt % polymethyl methacrylate and about 0.6 wt % tricontanyl PVP film; g) iron oxide particles comprising red iron oxide particles, yellow iron oxide particles, black iron oxide particles, or mixtures thereof; and h) about 50 wt % to about 60 wt % water, wherein the formulation produces a minimal residual whitening effect when applied to a skin surface.