Size: 30 ml / 1 oz 

SkinCeuticals Retinol 0.5 contains .5% pure retinol and is enhanced with the latest stabilization and delivery technologies to provide maximum efficacy. Retinol 0.5 is recommended for more sensitive skin or to help condition skin not acclimated to retinoids as a prerequisite to SkinCeuticals Retinol 1.0.