Elastic Xiaoyan Collagen Drink is positioned as an oral beauty beverage for daily collagen replenishment and skin elasticity support. The available material explains that collagen is an important structural protein widely distributed in human tissues such as skin, bone, cartilage, hair and nails, and that skin collagen plays a key role in maintaining moisture and elasticity. As the extracted PDF text is incomplete, the specification is temporarily estimated at about 30 ml per bottle and should be confirmed against the final package. For upload use, the product can be described as a convenient beauty drink for hydration care, firmness support and daily youthful skin maintenance, while avoiding exaggerated anti-aging or skin-treatment claims.