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Nicotinamide helps reduce Immuno-suppression induced by UV radiation. This immuno-suppression, which in turn promotes skin cancer, is one of the main reasons we are all encouraged to wear sunscreen when outdoors and exposed to the sun's UV rays.
However, sunscreens are relied primarily on preventing sunburn rather than preventing immuno-suppression or even in increasing ones own immunity levels.
When applied topically, nicotinamide, commonly known as Vitamin B3, has properties that inhibit immuno-suppression and thereby inhibits skin cancer. It actually acts as a chemo- and radio-sensitizing agent by enhancing tumour blood flow, which reduces tumor hypoxia, the condition through which tumour cells are deprived of oxygen.
Added to a sunscreen, nicotinamide provides a powerful combination of protection from the sun's potentially harmful UV rays.
Including nicotinamide (Vitamin B3) in our sunscreens adds a powerful combination of protection through its abilities to:
Topical nicotinamide (Vitamin B3) is also extremely effective in reversing signs of ageing in the skin by:
In addition to this, Nicotinamide (vitamin D3) has demonstrated anti-inflammatory actions of benefit to people with inflammatory skin conditions such as acne vulgarise, showing an ability to block the inflammatory actions of iodides, which are known to precipitate or exacerbate inflammatory acne.
Journal of Investigative Dermatology (2008) 128, 447–454; doi:10.1038/sj.jid.5701058; published online 20 September 2007
“UV Radiation-Induced Immunosuppression Is Greater in Men and Prevented by Topical Nicotinamide”.
Hakozaki T, Minwalla L, Zhuang J, et al. “The effect of niacinamide on reducing cutaneous pigmentation and suppression of melanosome transfer.” Br J Dermatol. 2002;147(1):20-31.
Draelos ZD, Ertel K, Berge C. “Niacinamide-containing facial moisturizer improves skin barrier and benefits subjects with rosacea.” Cutis. 2005;76(2):135-41.
Shalita AR, Smith JG, Parish LC, et al. “Topical nicotinamide compared with clindamycin gel in the treatment of inflammatory acne vulgaris. Int J Dermatol. 1995;34(6):434-7.”
D. L. Bissett, K. Miyamoto, P. Sun, et al. “Topical niacinamide reduces yellowing, wrinkling, red blotchiness, and hyperpigmented spots in aging facial skin.” International Journal of Cosmetic Science Volume 26, Issue 5, pages 231–238, October 2004.
Nicotinamide: An Oral Antimicrobial Agent with Activity against Both Mycobacterium tuberculosis and Human Immunodeficiency Virus by Michael F Murray
Niren NM (2006). "Pharmacologic doses of nicotinamide in the treatment of inflammatory skin conditions: a review". Cutis 77 (1 Suppl): 116.
Damian DL, Patterson CR, Stapelberg M, Park J, Barnetson RS, Halliday GM (February 2008). "UV radiation-induced immunosuppression is greater in men and prevented by topical nicotinamide". J. Invest. Dermatol. 128 (2): 44754.