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About product and suppliers:
        Alibaba.com offers 5,557 collagen serum products. About 72% of these are skin care serum, 36% are foot skin care, and 6% are eye cream. 

A wide variety of collagen serum options are available to you, such as anti-aging, anti-wrinkle, and firming. You can also choose from face, body, and eye. As well as from glycerin, aloe vera, and pearl. And whether collagen serum is gmp, ce, or fda. 

There are 5,470 collagen serum suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 83%, 8%, and 1% of collagen serum respectively. 

Collagen serum products are most popular in Western Europe, Oceania, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,620 with Other, 799 with GMP, and 686 with ISO9001 certification.