The Science of Anti-Aging Face Serum

The Science of Anti-Aging Face Serum The biggest difference between a face serum and a cream or lotion is what they do not include. Serums do not add moisturizing ingredients such as petrolatum or mineral oil that keep water from evaporating. They also contain fewer lubricating and thickening agents. Most serums are water-based, eliminating oils. […]

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