NON-TOXIC AND NON-IRRITATIVE RETINOID DERIVATIVES STABLE IN THE PH OF HUMAN BLOOD WITH MAINTAINING THE ACTIVITY OF VITAMIN A AND COSMETIC COMPOSTION COMPRISING THE SAME

摘要

PURPOSE: A retinoid derivative is provided to have excellent increasing effect of collagen synthesis, comparison to existing retinoid derivative, excellent chemical stability, excellent absorption to skin, durability, and the superior effect of skin regeneration, aging prevention, etc.;CONSTITUTION: A retinoid derivative is in the chemical formula 1. In the chemical formula 1, X is NH, O or S. R1 and R2 is same or different, hydrogen or C1-C6 lower alkyl group. The C1-C6 lower alkyl group is C1-6 straight chain or branched hydrocarbon. The most preferable retinoid derivative compound is 2-methyl-1,5-diretinylpentane diamide. The cosmetic composition comprises the retinoid derivative.;COPYRIGHT KIPO 2012