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Fast-absorbing serum nail strengthener

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.

How to use
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.


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

Si-Nails - The Look and Co
Si-Nails - The Look and Co
Si-Nails - The Look and Co
Si-Nails - The Look and Co
Si-Nails - The Look and Co