| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an ultraviolet protective agent having high ultraviolet-protective effects, and to provide a sunscreen cosmetic having excellent transparency, good sense of use and high ultraviolet-protective effects. <P>SOLUTION: The ultraviolet protective agent includes a group 14 element having≥2 nm and≤30 nm average particle diameter. The sunscreen cosmetic contains the ultraviolet protective agent. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
