PHA Retinol Peel Pro:Lab is a highly active facial concentrate that contains highly concentrated retinol (vitamin A), combined with natural PHA and glycolic acid. The natural PHA acid from honey eliminates dead skin cells and the active retinol promotes the formation of elastic fibers in the skin. The effect is reduced lines/wrinkles, improved tissue elasticity, refined pores, reduced sebum production and thus improvement of problem skin and acne.