Shiseido Company, Limited

Nozomi Fujiyama

Kazuyuki Miyazawa

Takafumi Kurosawa

Tomiko Takakura

Yukie Yoda

Isao Yajima

Nobuyuki Ide

Azusa Kikuchi

Mikio Yagi

A singlet oxygen scavenger includes, as an active component, hexyl diethyl amino hydroxy benzoyl benzoate, 1-(4-methoxy phenyl)-3-(4-tert-butyl phenyl)-1, 3-propanedione, terephthalylidene-3, 3'-dicamphor-10, 10&#x2032;-disulfonate, 2-ethyl hexyl 4-methoxy cinnamate, or 2-ethyl hexyl 2-cyano-3, 3-diphenyl acrylate; or 2-phenyl benzimidazole-5-sulfonic acid, 4, 4&#x2032;, 4&#x2033;-[(1, 3, 5-triazine-2, 4, 6-triyl) tris (imino)] trisbenzoic acid tris (2-ethyl hexyl), octyl salicylate, or 3, 3, 5-trimethyl cyclohexyl salicylate; or 2-hydroxy-4-methoxy-5-(sodiooxysulfonyl) benzophenone, drometrizol trisiloxane, 2-hydroxy-4-methoxy benzophenone, or 4-methyl benzylidene camphor.

Singlet oxygen scavenger

The present invention provides an oil-based cosmetic that can easily be washed out with warm water and is excellent in water resistance. The oil-based cosmetic of the present invention is characterized by comprising (a) to (c): (In the above formula, EO is an oxyethylene group and PO is an oxypropylene group. The symbols p, q, and r are the average addition mole numbers, and they are p&#x2265;1, r&#x2265;1, 10&#x2264;p+r&#x2264;70, and 10&#x2264;q&#x2264;60. Rand Rare either identical or different and they are either a hydrogen atom or a hydrocarbon group having 1 to 3 carbon atoms.)

Oily cosmetic

The present invention provides an O/W emulsified composition which contains an organic UV absorber in an oil state such as octocrylene and a solid organic UV absorber, and is excellent in UV protection ability, formulation stability, and feeling in use. The composition according to the present invention is an O/W emulsified composition, comprising: (a) an organic UV absorber in an oil state at 20&#xb0; C., comprising (a1) octocrylene; (b) an organic UV absorber in a solid state at 20&#xb0; C., selected from (b1) bis-ethylhexyloxyphenol methoxyphenyl triazine and (b2) methylene bis-benzotriazolyl tetramethylbutylphenol; and (c) a polyoxyethylene/polyoxyalkylene alkyl ether block polymer represented by formula (1) or (2):RO&#x2014;(PO)-(EO)-H&#x2003;&#x2003;(1)

O/W emulsified composition

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Yokohama, Japan

Nozomi Fujiyama