Why Choose Eurax?. ????POWERFUL ACTIVE INGREDIENT – Contains Crotamiton 10%, a clinically proven anti-itch ingredient that cools and calms the skin while reducing irritation. ????SOOTHES MULTIPLE SKIN CONDITIONS – Effective for itching caused by eczema, dermatitis, allergic rashes, hives, chickenpox, insect bites, sunburn, heat rash, and dry skin.