The Restoring Nail Serum moisturizes and strengthens the nails. It is the second step of the Nail Recovery Treatment care routine.Application: Apply to the nail plate with the brush. Gently rub in with your fingertips in circular movements until the serum is absorbed. Wash off excess with water. For an intensive treatment, apply the serum to bare nails twice a day for two weeks. Then continue with a weekly application between manicures.Warning: Avoid contact with eyes.