1. Kune abnormal acne, ichthyosis uye abnormal psoriasis
2. Anti-keratosis mishonga.
3. Iyo inozivikanwawo se retinoic acid uye retinoic acid, dambudziko iri ndiro metabolic yepakati chigadzirwa chevhitamini A mumuviri, iyo inonyanya kukanganisa kukura kwefupa uye metabolism ye epithelial cells, uye ine migumisiro yekusimudzira epithelial cell proliferation uye keratolysis. .