Salon-finish looking nails every day! An All-in-1 effective strengthener with fiberglass for soft, thin, short, brittle nails. 10 essential Solutions eliminate multi-concerns in less than 1 week. A powerful treatment with incredibly hard iron formula to make soft, weak nails look and feel like hard Acrylics. Added strengthening iron rebuilds dense layers for strongest nails. A hardening top coat with pure iron powder to seal any nail color to a chip-free finish while strengthening thin, weak nails.