Health claim
“Vitamin C serum should be applied before hyaluronic acid in an anti‑aging routine.”
Claim checked — strong evidenceLow riskother
Evidence Summary
Multiple well-designed studies consistently support this claim.
Dermatology guidelines recommend applying antioxidant serums like vitamin C first, then hydrating agents such as hyaluronic acid.
Extracted from
How to Layer Your Skincare Products in an Anti-Aging Skincare RoutineDr. Daniel Sugai
The video outlines the recommended order for applying anti‑aging skincare products such as vitamin C, hyaluronic acid, and retinoids, focusing on layering technique and timing.
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