Tazarotene is typically administered in the form of a gel, foam or cream and helps clear acne in the face by keeping skin pores clear. It is also used to decrease skin inflammation. For those that use carotene to treat psoriasis, the medicine works by lessening the redness caused by the disease and reduces the number and size of skin lesions. Tazarotene requires a prescription and may be prescribed for other uses. Be sure to ask your doctor or pharmacist for more information.