Isdin
Regular price $40.00 USD
Sale price $40.00 USD Regular price $32.00

ISDIN Si-Nails is an innovative nail growth formula that has been clinically proven to strengthen brittle nails by increasing thickness, density, and durability of the nail and cuticle. Visible results in just 14 days.


+ Increases nail strength and durability while helping to repair brittle nails and reduce roughness.
+ Promotes keratin and silicon in the nails to help improve growth, and overall quality.
+ Hydrates the nails and cuticles, moisturizing the entire nail structure to keep nails supple and flexible.

2.5 ml

1. Si-Nails nail strengthener is a clear, lightweight serum delivered by an easy-to-use, one-click applicator pen, applied once a day. It can be applied to painted nails.
2. The first time you use Si-Nails, activate the brush by pressing down on the applicator until the brush is moistened (approximately 25 times).
3. After first use, just click once for each nail. Visible results may be seen in 14 days, with best results achieved with ongoing application.
key ingredients:
silanediol salicylate: promotes silicon, which is one of the predominant minerals in the nail.

pistacia lentiscus gum: promotes keratin, an essential component to strong and healthy nails.

cationic hyaluronic acid: an enhanced version of one of the most well known moisturizers in the world, which promotes cuticle moisturization.

full ingredients list:
water, alcohol denat., peg-40 hydrogenated castor oil, butylene glycol, acrylates copolymer, silanediol salicylate, tromethamine, caprylic/capric triglyceride, hydroxypropyltrimonium hyaluronate, triethanolamine, biosaccharide gum-2, pistacia lentiscus (mastic) gum, propylene glycol, phenoxyethanol, benzyl alcohol, methylparaben

Fall in love with your skin.

Isdin's driving ambition behind everything it does? To help you understand, enjoy, and feel at home in your own skin. To show you the magic in every wrinkle, crease, and scar. With effective skin and sun care formulas based on both cutting-edge science and half a century of European expertise, we accompany you on your self-care journey.

Where science meets beauty.

As Spain’s top sun care choice, Isdin drives the future of skincare using decades of passion and experience. It's international network of scientists investigates how genetics, lifestyle, emotions and, above all, the sun impact your skin. With leading cosmetic and pharmaceutical research, Isdin crafts advanced formulas with innovative textures.