Effect of Tretinoin on Melanin

Comparable efficacy of adapalene 0.3% gel and tretinoin 0.05% cream as treatment for cutaneous photoaging (2018)

Tazarotene cream for the treatment of facial photodamage: a multicenter, investigator-masked, randomized, vehicle-controlled, parallel comparison of 0.01%, 0.025%, 0.05%, and 0.1% tazarotene creams with 0.05% tretinoin emollient cream applied once daily for 24 weeks (2001)

Comparative effects of retinoic acid, glycolic acid and a lipophilic derivative of salicylic acid on photodamaged epidermis (1999)

Topical tretinoin (retinoic acid) improves melasma. A vehicle-controlled, clinical trial (1993)

Topical tretinoin for treatment of photodamaged skin. A multicenter study (1991)

Effects of tretinoin on photodamaged skin. A histologic study (1991)

Sustained improvement with prolonged topical tretinoin (retinoic acid) for photoaged skin (1990)