âMentholatum Soft Skin Cream Uâ incorporates a âkeratin softening prescriptionâ that combines 20% urea, which has high moisturizing power and keratin softening effect, with a vitamin E derivative that promotes blood circulation. In addition, a âhigh-penetration prescriptionâ that allows the ingredients to easily penetrate is also used. It leads to healthy and soft skin from dry and hardened dead skin cells and rough hands.