MIRU
Evidence recordApplied to skin
Vitamin C (topical)
Answer
Studied in relation to brighter, more even-looking skin and collagen support over time. Formulation and freshness matter.
Check the formulaEvidence grade
Moderate
Useful human evidence supports the claim, with a meaningful limit in scale, duration, formulation or consistency.
Where it stops
Not stated in this record yet
Sources
Sources · 2
Source 1
Dermatologic Surgery, 2002- Design
- Double-blind half-face trial
- Duration
- 12 weeks
- Measured outcome
- photoaging score
Finding
Double-blind half-face trial: vitamin C side showed significant photoaging-score improvement at 12 weeks (cheeks P=0.006).
Source 2
Dermatologic Surgery, 2005- Design
- Review
- Measured outcome
- collagen synthesis, photoprotection, pigmentation
Finding
Review: support for topical vitamin C in collagen synthesis, photoprotection (adjunct, not a sunscreen) and pigmentation.