Flexitol Hard Skin & Callus Balm is a clinically proven formula designed to soften and remove hard skin and calluses on feet and hands. Enriched with 22% urea and a blend of Alpha Hydroxy Acids (AHAs), it penetrates deeply to exfoliate and hydrate, promoting healthier, smoother skin. Suitable for diabetics and recommended by podiatrists, this balm delivers visible results in just 3 days.