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About product and suppliers:
        Alibaba.com offers 7,484 collagen serum products. About 75% of these are skin care serum, 10% are face cream & lotion, and 2% are body lotion. 

A wide variety of collagen serum options are available to you, such as anti-aging, lightening, and anti-wrinkle. You can also choose from gel, cream. As well as from fda, ce, and gmp. And whether collagen serum is oem/odm, or obm (original brand manufacturing). 

There are 7,443 collagen serum suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United Kingdom, which supply 86%, 4%, and 3% of collagen serum respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,793 with Other, 1,138 with GMP, and 834 with ISO9001 certification.