Announcement: How Vitamin C Reaches Skin: Blood Supply Proves More Effective Than Topical Application

Last updated: 10/08/2026 05:29

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A controlled human study in the Journal of Investigative Dermatology reveals that dietary vitamin C reaches skin more effectively through blood circulation than topical application. Consuming 250 mg daily improved skin thickness and epidermal renewal within 8 weeks. — Photo by Valeria Boltneva on Pexels (Pexels License)

1 min read|53 words

Skin isn't fed from the outside—it's supplied from within. A new study in the Journal of Investigative Dermatology shows that dietary vitamin C reaches skin more reliably than topical creams. Just 250mg daily (two kiwifruit) improved skin thickness and epidermal renewal in 8 weeks.

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GMJ Brief · Announcement

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ByProf. Giorgi Pkhakadze

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Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.

Announcement: How Vitamin C Reaches Skin: Blood Supply Proves More Effective Than Topical Application

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