ULTRAVIOLET ABSORBER AND SKIN EXTERNAL PREPARATION CONTAINING THE SAME
PROBLEM TO BE SOLVED: To provide an ultraviolet absorber which absorbs ultraviolet light in both the UV-A region and the UV-B region and is excellent in compatibility with an oil component used as a base of a skin external preparation; and a skin external preparation containing the absorber. SOLUTIO...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an ultraviolet absorber which absorbs ultraviolet light in both the UV-A region and the UV-B region and is excellent in compatibility with an oil component used as a base of a skin external preparation; and a skin external preparation containing the absorber. SOLUTION: The ultraviolet absorber is composed of a compound represented by the general formula (wherein one of R, R', and R" is hydrogen and the other two are each a methyl group, or two of them are hydrogen and the remainder is a 1-3C straight chain alkyl). COPYRIGHT: (C)2006,JPO&NCIPI |
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