Repeated applications of traditional gel polish, manual work, or frequent use of hand sanitizer can leave nails weakened over time. This intensive 2-week care routine has been designed to repair, strengthen, and nourish damaged, weak, and brittle nails for long-lasting results. Included: The S.O.S. Base Coat, a concentrated care polish that helps repair damaged and brittle nails. The Nail Strengthening Serum, a regenerating care enriched with keratin, designed to harden and strengthen nails over time. The Nail & Cuticle Oil, an ultra-nourishing care that soothes and protects nails and cuticles every day. The S.O.S. Mask, an overnight regenerating care that intensely hydrates and strengthens weakened nails. The Nourishing Nail Pen, a nourishing and strengthening care that soothes and reinforces the nail contour. 2-week nail care guide, with a detailed day-by-day routine. Optional: Discover Nail Boost food supplements to accelerate nail growth, strengthen, and repair.