Elta Tar products control and moisturize for relief of psoriasis and eczema on skin and scalp. The crème melts on contact for deeper absorption and superior moisturizing; Elta Tar products contain a strong non-prescription level of coal tar solution (10% LCD) to reduce cell proliferation. No staining or unpleasant odor. Elta Tar Crème has 12 hours of moisturizing power. At the end of 12 hours, Elta Tar still holds 90% of the moisture in the skin to stop dryness, while improving flexibility and comfort.