Pruning should knock out all the side branches below the door. The leaves should be divided into weak branches and stem side branches, and old leaves and diseased leaves, and properly cut off the dense leaves, keep sparsely uniform, in order to facilitate ventilation. During the entire growth period, the leaves are repaired 4 to 5 times to prevent over-repair of leaves, leaving only a few leaflets on top. In addition, the number of leaves to be repaired depends on the variety, fertilizer, and weather conditions. Generally, varieties with weaker ramets have less leaves to be repaired. The early stage of growth is less repaired than the latter stage of growth, and less fertilizer is used for less maintenance. When drought occurs, Minor repairs. Grape seed extract;Astaxanthin;Anthocyanins(Anthocyanins are a powerful anti oxidant, which protects the body from damage caused by a harmful substance called free radicals. Anthocyanins also enhance the elasticity of blood vessels, improve the circulatory system and smoothness of the skin, inhibit inflammation and allergies, and improve the flexibility of joints. );Vitamin C powder Anthocyanin;Grape seed extract Shaanxi Zhongyi Kangjian Biotechnology Co.,Ltd , https://www.zyplantextract.com