ISDIN Si-Nails

ISDIN Si-Nails


Si-Nails is a fast-absorbing serum nail strengthener which uses a unique combination of effective ingredients to promote healthy, strong nails.

Categories: , Tag:


ISDIN Si-Nails is an innovative nail growth treatment 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.

Additional information


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
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

How To Use

Si-Nails nail strengthener is a clear, lightweight serum delivered by an easy-to-use, one-click applicator pen, applied once a day. Use on dry, bare nails for best nail repair results. The first time you use ISDIN Si-Nails, activate the brush by pressing down on the applicator until the brush is moistened (approximately 25 times). Visible results may be seen in 14 days, with best results achieved from ongoing application. Use only on the nail, and wipe off any excess product from the skin.

Step 1: Apply nail repair serum to the nail and cuticle, covering the nail edges.
Step 2: Apply in vertical strokes across the entire nail surface..
Step 3: Apply underneath the nail.
Step 4: Click! Repeat steps 1-3 for each nail the treatment is applied to.