The more you apply vitamin E, the darker your skin gets, and it is usually not related to tinting vitamin E lotion. May be due to sunscreen is not in place, skin inflammation after pigmentation and other factors. 1. sunscreen is not in place: vitamin E belongs to the antioxidant, the appropriate amount of coated pigment cells will be reduced, for whitening has a certain effect. However, if the sunscreen is not done during the application of vitamin E, it may also lead to direct exposure to ultraviolet rays, resulting in the phenomenon of darkening of the skin, which can be alleviated by a good sunscreen. 2. Post-inflammatory hyperpigmentation: may be caused by acute or chronic inflammation of the skin. The patient’s back skin has suffered from eczema and other diseases, when the inflammation fades, the skin can also appear black. If there is darkening of the skin and other discomforts, it is recommended to consult a doctor in time to clarify the cause of the disease.