Synergie Skin XCell B Vitamin B Serum with 21% Niacinamide

XCell B is a high-potency vitamin B3 serum designed for various skin types, including dry, dehydrated, irritated, sensitive, oily, and hyperpigmented skin. It includes superoxide dismutase, pro-vitamin B5, and betaine.

• The description claims XCell B has the highest potency of vitamin B3 on the market.
• The description claims XCell B is beneficial for multiple skin types including dry, dehydrated, irritated, sensitive, oily, and hyperpigmented skin.