Do Dark-Skinned People Need To Wear Sunscreen"
The sun?s UV rays can have a damaging, if not deadly, effect on skin. That?s why we diligently slather sunscreen all over ourselves.Â
But darker skin tones don?t seem to be as affected by the sun as lighter skin tones. So, does this mean darker skin tones don?t need to wear sunscreen"
We spoke with four Australian skin and sun care experts to get to the bottom of which skin tones need to wear sunscreen, and why.
UVA Ages And UVB Burns Â
UV radiation from the sun consists of UVA and UVB rays, and you probably want to socially distance yourself from both.
Paige Preston, Chair of Cancer Council?s Skin Cancer Committee, highlights that UVA rays penetrate deeply into the skin causing genetic damage to cells, photo-ageing (wrinkling and blotchiness) and a weakened immune system. Meanwhile UVB rays penetrate into the epidermis (the top layer of the skin) causing damage to the cells. ?UVB is responsible for sunburn, a significant indicator of the damage likely to cause skin cancer,? says Paige.
Melanin Is A Natural Defence Against UV Rays
Melanin is the pigment that gives skin colour. The more melanin you have, the darker your skin is.Â
?Melanin almost acts like an inbuilt SPF, offering some protection against UVB rays,? says Ava Matthews, co-founder of Ultra Violette.Â
Dr Michelle Wong, a Science and Beauty Educator, agrees, noting that dark skin can have an approximate Sun Protection Factor (SPF) of about 15.
The old saying goes ‘black don?t crack’...
Fuente de la noticia:
grittypretty
URL de la Fuente:
http://grittypretty.com/
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