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About product and suppliers:
        Alibaba.com offers 6,438 collagen serum products. About 76% of these are skin care serum, 4% are face cream & lotion, and 2% are face mask. 

A wide variety of collagen serum options are available to you, such as anti-puffiness, dark circles, and anti-aging. You can also choose from gmp, msds, and fda. As well as from herbal, chemical, and mineral. And whether collagen serum is cream, or lotion. 

There are 6,438 collagen serum suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of collagen serum respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,261 with Other, 1,040 with GMP, and 756 with ISO9001 certification.