NEW SEALED Mad Hippie Super A Serum with 3 Forms of Retinoids and Bakuchiol. Size .5 fl oz, 15 ml. From discoloration to wrinkles to skin roughness, this active-packed serum is a game changer. Combining three bioactive retinoids & bakuchiol, this serum brings marked results to the appearance of sun-damaged, aging skin. Hyaluronic acid, polyglutamic acid & other hydrating actives soothe & plump while retinoids work their magic.