سيروم بيو كومبليت من سينتي

My skin usually rebels against any retinol, but this one glides on without a hint of sting—the patented HSA technology really does make it tolerable for sensitive types. I've been using it nightly for a month and my forehead lines look noticeably softer, no redness to speak of.

I noticed results within two weeks—fine lines around my eyes softened without any redness or peeling. The HSA technology really seems to make a difference for my reactive skin.

My skin usually rebels against any retinol, but the HSA technology in this one lets me use it nightly without a hint of redness. After three weeks, my forehead lines look noticeably softer and my face has that lit-from-within glow even in the morning.