Hair growth stimulant compositions
AssigneeTaisho Pharmaceutical Co., Ltd.
InventorsKoji Imamura, Rumi Ochiai, Takako Okajima, Susumu Morioka, Taro Horie
Life of this patent
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Abstract
Preparations containing minoxidil at a high concentration which scarcely show the precipitation of crystals even at low temperatures and have a high stability. In preparations containing 10 to 50% by mass of water and 3% by mass or more of minoxidil, hair growth stimulant compositions further containing 8 to 30% of one or more polyhydric alcohols and having a pH value of 5.5 to 6.5 scarcely show precipitation of crystals and have a high stability.
Claims13
A hair growth stimulant composition comprising 10 to 50% by mass of water and 3% by mass or more of minoxidil, further comprising 8 to 30% by mass of polyhydric alcohol, and having a pH of 5.5 to 6.5.
A method for preventing precipitation which comprises incorporating 8 to 30% by mass of a polyhydric alcohol in the composition containing 10 to 50% by mass of water and 3% by mass or more of minoxidil, and adjusting the composition to a pH of 5.5 to 6.5.
Dependencies are inferred from the claim text.