摘要:
Alkyl-aryl 1,3-propanedione silicone derivative characterized in that said derivative is siloxane having at least one unit expressed by the general formula 1 as shown below and other unit which can exist in said siloxane is expressed by a general formula of O.sub.4-r/2 SiR.sup.5.sub.r, and an external preparation for skin with said derivative compounded therein. ##STR1## Herein; R.sup.1 : A hydroxyl group, an alkyl group having 1 to 8 carbon atoms, or an alkoxy group having 1 to 8 carbon atomsR.sup.2 : An alkyl group having 1 to 7 carbon atomsR.sup.3 : A bivalent alkylene group or an oxyalkylene group having at least 2 carbon atomsR.sup.4, R.sup.5 : An alkyl group, a phenyl group, or a trimethylsiloxy group having 1 to 4 carbon atomsm: An integer from 0 to 3p: 0 or 1q,r: An integer from 0 to 3.)An excellent UV-A absorbing capability and compatibility with a silicone-based base are provided.
摘要:
An endermic liniment which characteristically contains an extract from a plant of the Solanaceae family (Solanaceae), genus Withania (Withania). A whitening endermic liniment with a superior whitening effect can be provided.
摘要:
Ultraviolet absorbing compounds having the following formaulae are presented. ##STR1## wherein R.sup.1 is a saturated branched alkyl group having 7 carbon atoms, R.sup.2 is methyl or ethyl group and R.sup.3 is ortho-or para- methoxy group. These compounds have good ultraviolet protective properties and cause little or no irritation to human skin.
摘要:
An antipruritic composition for an oral medicine, injection, and external medicine, comprising an effective amount of a chelated zinc (e.g., zinc picolinate) as an antipruritic agent.