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. Nail polish-friendly. Visible results in just 14 days.

Benefits

Improves nail hardness and flexibility

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

Strength

Increases nail strength and durability while helping to repair brittle nails and reduce roughness.

Growth

Promotes keratin and silicon in the nails to help improve growth, and overall quality.

Moisture

Hydrates the nails and cuticles, moisturizing the entire nail structure to keep nails supple and flexible.

How To Use

Daily care for damaged nails

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. The first time you use Si-Nails, activate the brush by pressing down on the applicator until the brush is moistened (approximately 25 times). After first use, just click once for each nail. Visible results may be seen in 14 days, with best results achieved with ongoing application.