About product and suppliers:
            503 collagen and hair growth products are offered for sale by suppliers on Alibaba.com, of which collagen accounts for 7%, beauty products accounts for 7%, and vitamins accounts for 6%. 

A wide variety of collagen and hair growth options are available to you, such as herbal supplements, vitamins. You can also choose from face, body, and hand collagen and hair growth

There are 499 suppliers who sells collagen and hair growth on Alibaba.com, mainly located in Asia. The top countries of suppliers are France, China, and Taiwan, China, from which the percentage of collagen and hair growth supply is 1%, 82%, and 13% respectively.