Etat Pur D-Panthenol 5.25% Serum – 15ml is a deeply nourishing and reparative serum formulated with 5.25% D-Panthenol (Pro-Vitamin B5), which helps restore skin barrier function, promote healing, and maintain optimal hydration. Its calming properties reduce irritation and redness while improving skin softness and elasticity. Blended with glycerin and soothing plant extracts, this lightweight serum leaves the skin comfortable, supple, and revitalized.