After lifting the facial protein line, the protein line can stimulate the deep vitality of the skin for a long time, and can continue to stimulate collagen regeneration in the next 3-6 months, and the effect is constantly changing and increasing. It can last about 1-2 years after operation, and the skin will naturally tighten after oral administration of quantitative collagen according to the doctor's requirements before and after operation, which can prolong the effect maintenance time.