Ascorbic acid derivative composition and production method of the same, ascorbic acid derivative solution, and skin external preparation
AssigneeShowa Denko K.K.
InventorsKeiichi Nakamura, Takanori Aoki
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AssigneeShowa Denko K.K.
InventorsKeiichi Nakamura, Takanori Aoki
Estimating the term…
An ascorbic acid derivative composition of a first aspect according to the present invention consists of a salt of a compound (1) represented by a general formula (1) shown below; and a salt of a compound (2) represented by a general formula (2) shown below, wherein a ratio of the salt of the compound (2) with respect to a total amount of the salt of the compound (1) and the salt of the compound (2) is from 0.1 to 10% by mass, wherein R1 represents a linear or branched alkyl group of 6 to 20 carbon atoms, R2 represents a linear or branched alkyl group of 6 to 20 carbon atoms, and R1 and R2 are the same or are different from each other.
An ascorbic acid derivative composition consisting of:
Dependencies are inferred from the claim text.