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A sun tan develops when ultraviolet radiation stimulates the skin to produce additional melanin. Although tanning is often treated as a cosmetic concern, it is actually a sign that ultraviolet exposure has injured the skin. A homemade mask cannot erase a tan in ten minutes or reverse ultraviolet-related DNA damage. However, gentle barrier-supporting ingredients may […]

White or grey hair develops when pigment-producing cells in the hair follicle stop supplying enough melanin to the growing strand. Genetics and normal ageing are the most common causes, although premature greying can sometimes be associated with vitamin B12 deficiency, thyroid dysfunction, low iron or copper levels, smoking and oxidative stress. Natural ingredients cannot reliably