SpaLife's Foot Sock Treatment for men is a great exfoliator that helps remove calluses and dead skin cells. Ultra moisturizing creams will help heal dry, cracked skin. Refreshing mint scent will relax the senses. Made in Korea Instructions Gently slip clean feet into both masks. Leave masks on for 60-90 minutes to soften calluses and soothe feet. Remove masks and rub in any excess balm. No rinsing required.