ISDIN SI-Nails Strengthener Serum

ISDIN SI-Nails Strengthener Serum is your solution for promoting nail growth and strengthening brittle nails. Clinically proven, it increases nail thickness, density, and durability while providing visible results in just 14 days. This serum features cationic hyaluronic acid for cuticle moisturization, Silanediol salicylate to promote silicon, and Pistacia lentiscus gum for keratin support. Repair brittle nails and reduce roughness for healthier, more beautiful nails.