| abstract |
Disclosed is a UV absorber capable of eliminating the instability of a dibenzoylmethane derivative as a UVA absorber, exhibiting excellent UV protection in a wide wavelength range from UVA to UVB, exhibiting excellent light resistance and stability over time, And which is not whitewashed unnaturally. The present invention also provides an ultraviolet-blocking cosmetic composition comprising the cosmetic composition of the present invention. The present invention is characterized by comprising a powder obtained by (a) a dibenzoylmethane derivative, (b) a metal soap treatment comprising a higher fatty acid and an alkaline earth metal, or a surface-hydrophobic treatment by a combination treatment of a higher fatty acid and an alkaline earth metal hydroxide To provide ultraviolet barrier cosmetics. As the alkaline earth metal, calcium and magnesium are preferable, and as the higher fatty acid, isostearic acid is preferable. |