It is possible to apply Vitamin A cream after applying a mask, but it is recommended that you rinse it off with running warm water after applying the mask for half an hour before applying the Vitamin A cream. Vitamin A acid cream is used for the adjuvant treatment of acne vulgaris, flat warts, mucous membrane leukoplakia, erythematous furfur, follicular keratosis and psoriasis. Patients can wash their face after applying the mask, and then apply retinoic acid cream half an hour later, to avoid the mask ingredients and retinoic acid shared, exacerbating skin irritation or aggravating skin dryness and so on. Vitamin A acid cream is prohibited for lactating women, pregnant women; prohibited for those who are allergic to the ingredients of the drug; prohibited for mucous membrane parts such as eyes; eczema, sunburn, acute and subacute dermatitis and other patients should not be used. After use may cause skin burning sensation, erythema and flaking, etc. In most cases, patients can adapt or tolerate. Patients are advised to use Retinoic Acid Cream strictly in accordance with medical advice. If irritation persists or worsens during use, the medication should be discontinued immediately and a physician consulted.