Natural formula: Carefully formulated with plant extracts to moisten and gently smooth the outer layer of the nail plate. Keep the nails in good condition by changing their micro environment. 7-day nail growth and strengthening serum: the 7-day nail growth and strengthening serum is designed to promote healthy and strong nails. It is specially formulated to strengthen and nourish nails. This serum is the perfect solution for people with brittle nails as it provides the nutrients and vitamins needed for the natural nail growth process. Strengthens and protects nails: Our nail growth serum is designed to complement your natural nails. This oil can help moisturize, grow, strengthen and brighten nails. It helps protect nails from damage and breakage, allowing them to grow longer and stronger without becoming brittle or weak. Promotes fast growth: The 7-day nail growth serum is specially formulated to promote healthy growth of fingernails and toenails. It contains a blend of vitamins and other essential nutrients that help strengthen and nourish nails, which can ultimately accelerate nail growth. Use: Apply an appropriate amount of serum to the affected area and massage gently until it is absorbed. Simply apply once a day to improve the appearance of damaged/cracked nails.