ISDIN SI-NAILS visibly transforms brittle nails in 14 days. This fast-absorbing serum is clinically proven to strengthen, increasing thickness, density, and durability. Formulated with cationic hyaluronic acid, silanediol salicylate, and pistacia lentiscus gum, it also hydrates cuticles and promotes healthy nail growth. Expect a smoother, harder, and more attractive nail appearance.
