Uyini umehluko phakathi kwe-retinol ne-tretinoin?
Isikhumba somuntu ngamunye sihlukile, kodwa asikho isikhumba somuntu esingavikelekile emiphumeleni yokukhanya kwelanga, ukucindezeleka, nokuguga ngokwemvelo. Ukuze uphathe le miphumela, ungase unqume ukusebenzisa ama-retinoid.  Ama - retinoid ayizinhlanganisela zamakhemikhali ezihlobene ne - vitamin A.  I-retinol ne-tretinoin zombili ziyizibonelo zama-retinoid. I-tretinoin ingabizwa nangokuthi i-all-trans retinoic acid (ATRA).  Uma kuziwa ekwelapheni isikhumba sakho, umehluko omkhulu phakathi kwalezi zinhlanganisela ezimbili amandla azo.  I-retinol iyisithako esibalulekile. Liyancibilika emafutheni, okusho ukuthi lingahlala emzimbeni wakho isikhathi eside. Isibindi sakho singathatha i-retinol egciniwe bese siyiguqula ibe i-tretinoin. Umzimba wakho uzosebenzisa i-tretinoin emisebenzini ehlukahlukene engokwemvelo.  Ngezinhloso zokunakekelwa kwesikhumba, i-tretinoin ingacatshangwa njengenguqulo egxile kakhulu ye-retinol. Lokhu kusho ukuthi i-tretinoin inamandla kune-retinol.