| abstract |
A composition for dermatologic preparation containing vitamin A (retinol) and a stabilizer comprising chelating agent/polysaccharide, oil, polyethylene (propylene) glycol, hydroxy carboxylic acid salt, neutral amino acid salt, oil-soluble antioxidant/EDTA/benzophenone compound, oil-soluble antioxidant/acid/benzophenone compound, a clathrate cyclodextrin containing antioxidant and/or ultraviolet absorber included therein, butanediol and/or oil-soluble antioxidant, water-soluble benzophenone compound, basic amino acid and its salt, acidic amino acid and its salt, polar oil, or water-swellable clayey mineral. |