Health claim
“Using a vitamin C serum can brighten hyperpigmentation within four weeks.”
Claim checked — mixed / earlyMedium riskother
Evidence Summary
Some evidence supports this, but findings are inconsistent or limited in scope.
Clinical trials demonstrate modest improvement in skin tone, but results vary by formulation and concentration.
Extracted from
My Evidence-based Skincare RoutineAli Abdaal
The video presents a brief, evidence‑based skincare routine, highlighting basic steps and product choices.
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