Will rebound. According to the inquiry, the public health network shows that. Tongyanyin is an oral collagen, which can not only help to supplement collagen, but also replenish elastin. When you stop taking it, the collagen in your body will be lost, so when you stop drinking children's eye drinks, you will rebound. Tongyan Drink is an anti-aging beauty product jointly launched by Guimi Mall and TCI DJI Yi Sheng. It takes deep-sea salmon spermary nucleic acid, pure bird's nest silk, high-purity pomegranate enzyme and rare purple radish as core components, effectively resists oxidative saccharification of human body according to the golden ratio, supplements the deficiency of human collagen, and increases skin elasticity and luster.