Washington DC, Dec. 27 -- Scientists discovered that vitamin C from food travels through the bloodstream into every layer of the skin, boosting collagen and skin renewal.

People who ate two vitamin C-packed kiwifruit daily showed thicker, healthier skin. The findings suggest glowing skin really does start from within.

Scientists at the University of Otago, Faculty of Medicine Christchurch Otautahi, have identified a direct connection between how much vitamin C people eat and how well their skin produces collagen and renews itself.

The findings show that skin health responds measurably to dietary vitamin C, not just topical treatments.

Published in the Journal of Investigative Dermatology, the research found that vitamin C levels in th...