La Roche-Posay Hyalu B5 Serum is an anti-wrinkle concentrate that combines hyaluronic acid and vitamin B5 to repair and replenish skin. This dermatologically-tested serum helps combat wrinkles, loss of volume, and elasticity while revitalizing tired and dull skin using the brand's signature thermal spring water. The serum contains madecassoside and La Roche-Posay thermal spring water in addition to its key active ingredients. It has been specifically tested on sensitive skin, making it suitable for all skin types. The product is made in France and comes in a 30ml bottle with a dropper applicator for precise dispensing. The blue glass bottle helps protect the formula's integrity.