| 摘要 |
<p>A photoprotective composition includes one or more photoactive agents (such as a UV filter compound), one or more optimizing agents, and a copolymer booster. Such a composition provides an unexpected synergistic combination of the one or more optimizing agents and the copolymer booster for increasing at least one of SPF, UVA/UVB ratio, critical wavelength, photostability of UVA absorber and PFA, and any combinations thereof, of the composition.</p> |
