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

ბოლო განახლება: 03/09/2026 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|50 words

Why topical vitamin C doesn't work as well as you'd hope: 1) Water-soluble molecules struggle to cross the skin barrier. 2) Blood delivers vitamin C directly to skin cells via dermal circulation. 3) Skin cells actively concentrate vitamin C from blood, prioritizing internal delivery.

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ავტორი:Prof. 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.

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

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