Use a fine-grit buffer to gently smooth out vertical ridges. Do not over-buff, as this thins the nail [2].
By focusing on hydration and gentle, consistent care, you can achieve healthy, strong, and well-maintained thumbs. perfect matures thumbs
These are normal aging signs. Buff gently, but rely more on hydrating base coats to fill them, rather than filing them down completely [2]. Use a fine-grit buffer to gently smooth out vertical ridges