1. Kwi-acne engaqhelekanga, ichthyosis kunye ne-psoriasis engaqhelekanga
2. Amachiza e-Anti-keratosis.
3. Eyaziwa nangokuthi i-retinoic acid kunye ne-retinoic acid, olu hlobo luyimveliso ephakathi kwe-metabolic ye-vitamin A emzimbeni, echaphazela kakhulu ukukhula kwamathambo kunye ne-metabolism yeeseli ze-epithelial, kwaye ineempembelelo zokukhuthaza ukwanda kweeseli ze-epithelial kunye ne-keratolysis. .