Health claim
“A vitamin C serum applied in the morning can brighten skin tone and reduce hyperpigmentation.”
Claim checked — strong evidenceHigh risksupplements
Evidence Summary
Multiple well-designed studies consistently support this claim.
Clinical research shows that topical vitamin C, especially L‑ascorbic acid applied in the morning, can improve skin radiance and modestly reduce hyperpigmentation through antioxidant and collagen‑stimulating effects.
Extracted from
My Evidence-Based Skincare RoutineAli Abdaal
The video outlines Ali Abdaal's personal skincare routine, emphasizing evidence-based product choices and general skin health principles.
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