10 Best Collagen Serums, According to Experts and Editor Testing
Look for a formula with peptides and antioxidants
As a reminder, collagen itself isn't the secret to an effective collagen serum, it's peptides. Look for ingredients like polypeptide-1, hexapeptide, and dipeptide-5 on the ingredients list—these are all scientifically proven collagen boosters. Also good to keep an eye out for? Antioxidant ingredients (from botanical extracts, niacinamide, or olive oil extract), since they can help prevent the breakdown of natural collagen in your skin.
Consider a barrier-friendly formula
According to our experts, the best collagen serums provide strong barrier support to safeguard your natural reserves of collagen. This means they likely contain ingredients like ceramides, lipids, and humectants that protect and moisturize the skin, so keep an eye out for those on your formula's ingredients list as well.
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