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Can you offer a definition of serum?
Hi All,
I know this question may sound trivial, but I can’t seem to find a good description of what a serum is in terms of formulating. I’ve read plenty in regard to how it should perform and how it’s packed full of helpful ingredients. However, when I look at the formulas I see everything from typical lotions high in water content that are white and opaque to clear anhydrous oils. From my point of view a serum is nothing more than a label that has been added to the high price of the product.Can you describe a serum from a formulating point of view and perhaps suggest some links to learn more about this topic. I’m an experienced organic chemist, but I consider myself to be relatively new to the cosmetic industry. I currently manufacture soaps, lotions, and other related products for retail and wholesale in the U.S.
Thanks!
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