Generally speaking, recombinant human epidermal growth factor gel does not directly repair redness, but can be used to repair it after redness treatment. To reduce the symptoms of erythema, you need to diagnose the cause of erythema through medical consultation and then apply professional means to improve it under the guidance of a doctor. The reason for the formation of erythrocytes, also known as capillary dilation, is that the capillaries on the surface of the skin and mucous membranes are dilated and ruptured, resulting in the appearance of tiny filiform and punctiform lesions on the surface of the skin, which can usually be found in various parts of the body. Therefore, the purpose of repairing erythema needs to be achieved by reducing vasodilation, while recombinant human epidermal growth factor gel is often used for the treatment of skin surface after burns or trauma, which can promote tissue regeneration, but cannot relieve vasodilation, so there is no effect of repairing erythema. At present, the better way to repair red blood cells is laser treatment, which can close the dilated blood vessels and solve the problem of red blood cells from the root. In addition to the laser, you can also consult your doctor to use medical masks or skin care products, hormonal drugs, cold compresses to shrink blood vessels and other methods to repair red blood cells. The use of laser treatment needs to go to the regular hospital dermatology department, under the guidance of the doctor to choose the specific treatment plan, after laser treatment need to strictly implement the care plan developed by the doctor. In addition, usually you can also repair facial red blood cells by strengthening maintenance, such as serious when it is best not to wear makeup, to ensure local cleanliness, avoid excessive exfoliation, good sunscreen work, avoid ultraviolet radiation. The diet should be light, reduce the intake of spicy and stimulating foods, ensure sufficient sleep, and avoid staying up late, all of which are conducive to the repair of red blood cells.