Long4Lashes Intensive Conditioning Serum - cream-gel serum conditioner fights all signs of weak and damaged nails: sensitivity, splitting, breaking and slow growth process. Contains biotin, which reinforces the keratin structures inside the nail plate. Nails become strong, distinctly hardened and resistant to damage. Formula is enriched with sweet almond oil and the NutriAct complex that hydrates and regenerates, both the nail plate and cuticles. Nails and cuticles will look healthy and perfectly moisturized.