Description_x000D_ Packaging_x000D_ 5, 25 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ Tazarotene is transformed to tazarotenic acid with the help of esterases. Tazarotenic acid regulates the pathogenic aspects of psoriasis through normalizing abnormal keratinocyte differentiation. It possesses strong anti-hyperproliferative effects in skin and reduces inflammation._x000D_ Tazarotenic acid, an active metabolite of tazarotene, is a potent and selective agonist of the retinoid receptor (RAR) that binds to RARα, RARβ, and RARγ. Tazarotenic acid relatively selective activates RARβ and RARγ. Tazarotenic acid is a first xenobiotic substrate of human retinoic acid hydroxylase CYP26A1 and CYP26B1.