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US 8,507,467 B2Granted
Transdermally absorbable preparation
AssigneeShiseido Company, Ltd.
InventorsRakan Matsui, Osamu Ueda
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Abstract
A transdermally absorbable preparation comprises a natural type sex hormone, a polyoxyethylene oleyl ether having a molar number of ethylene oxide units added of 20, at least two kinds of oily ingredients selected from the group consisting of diisopropyl adipate, cetyl alcohol, benzyl alcohol, and propylene glycol dicaprate, a polyhydric alcohol, and ethanol.
Claims8
A transdermally absorbable preparation, comprising:
- i) at least one selected from the group consisting of progesterone, estradiol, estrone, estriol, testosterone, and dehydroepiandrosterone,
- ii) a polyoxyethylene oleyl ether having a molar number of ethylene oxide units added of 20,
- iii) at least two kinds of oily ingredients selected from the group consisting of diisopropyl adipate, cetyl alcohol, benzyl alcohol, and propylene glycol dicaprate,
- iv) a polyhydric alcohol, and
- v) ethanol, wherein ethanol is present in an amount of 20% to 60% by mass with respect to the total mass of the preparation.
2 more elements
Dependencies are inferred from the claim text.