| abstract |
FIELD: medicine, pharmaceutics. n SUBSTANCE: invention relates to field of cosmetology and represents external preparation for skin, including (a) from 0.01 to 5 wt % of 4-isobutylresorcinol or its salt and (b) from 0.01 to 5 wt % of one or more compound, selected from L-ascorbic acid or its salt and 3-O-ethyl-L-ascorbic acid or its salt, and ingredients, which are usually applied in external preparations for skin - the remaining part. n EFFECT: invention provides excellent temperature stability, especially under high temperatures and photostability. n 2 cl, 23 ex, 2 tbl |