Along with heart, digestive, and immune health, blueberries and blueberry extract may have a critical care role in skin health and care. The beautiful benefits can be attributed to these blueberry features and properties: Vitamin C One cup of blueberries contains almost a quarter of daily vitamin C needs.
Vitamin C has a valuable role in collagen synthesis and found in high levels of various skin layers. Studies have further demonstrated that vitamin C may prevent ultraviolet (UV) radiation damage. Research suggests topical and dietary use may counteract against damage caused by UV radiation, the primary factor in skin photo-aging - causing wrinkles, dryness, and thickening of the skin.
Resveratrol is often known for its content in red wine, resveratrol may be an effective anti-aging component. All-in-all, the majority of blueberries' powerful characteristics comes from antioxidant properties. Antioxidants fight against free radicals that may be harmful to health. Furthermore, antioxidants may protect the skin against skin cell damage, thus reducing the signs of aging along with the promotion of skin appearance.
References: https://www.bistromd.com/health-tips/the-beautiful-benefits-blueberries-can-have-on-your-skin
http://www.stylecraze.com/articles/amazing-benefits-of-grapefruits-for-skin-and-health/
https://draxe.com/grapefruit-benefits-weight-loss/
DISCLAIMER: None of these health benefits have been evaluated or approved by the FDA. They are not intended to diagnose, treat, cure or prevent any disease.