Our nail repair solution contains acetic acid, disodium EDTA, and bark extract. It helps to treat bacteria and nail infections that damage the nails and cuticle. Its usage is simple: soak the diseased nails in warm water, grind them with a file, drip an appropriate amount of care solution onto the nails, once in the morning and once at night. Continuous use for healing. After use, it does not harm the nails, only removes nail fungi.