| 摘要 |
A sunblock or sunscreen formulation contains from 2.0% to 15% by weight of the formulation of a homopolymer or copolymer (e.g. with vinyl acetate) of polyethylene. The formulation is preferably a water in oil emulsion and may include emulsifiers, emollients and preservatives, and one or more ultraviolet absorbing compounds. The Molecular weight of the homopolymer may be 1,100 to 2,000, and that of the copolymer may be 2,000 to 3,500. |
