No. 1 choice of pediatricians & moms. Colloidal oatmeal. Skin protectant. Soothes diaper area. Fragrance free. Allergy tested. 5 bath packets. Desitin Soothing Rash Bath Treatment helps soothe your baby's diaper area. This unique Desitin formula combines colloidal oatmeal with an Aloe and Vitamin E complex to form a creamy bath that immediately soothes baby's irritated skin. Desitin Soothing Rash Bath Treatment is fragrance free and designed to be gentle enough for baby's sensitive skin.