The application of a fermented apple product to the nail surface is a practice some individuals employ, believing it contributes to nail health and appearance. This involves using the acetic acid-containing liquid, often diluted, as a soak or topical treatment applied directly to the fingernails and surrounding skin.
Historically, vinegar has been utilized for various cleansing and therapeutic purposes. Proponents suggest its use promotes stronger, healthier nails through its potential antifungal properties and mineral content. It’s believed to combat nail fungus, strengthen brittle nails, and brighten discoloration, contributing to improved nail aesthetics. However, scientific evidence supporting these claims remains limited.