As sunlight kills prophyrins which are a part of the P. acnes bacteria that causes acne, it means that we will have significant improvement in our acne condition. However, do remember that sunlight contains ultra violet rays such as UV A and UV B that can cause premature aging as well as skin cancer.
Initial exposure to sunlight will dry up the acne by making the sebaceous gland less active. However, the accompanied sweat and heat can worsen one's acne condition. To get around this problem, some people think that tanning salon is a way out. Here , one must still bear in mind that tanning beds still emit the same harmful ultra violet lights as natural sunlight even though their compositions are slightly different. UV B is the light component that causes sunburn while UV A does not cause any sunburn, it has very deep penetration power to one's skin and indirectly damages our DNA. Therefore, it is wise to buy a sunscreen that blocks out not only UV B (as indicated by SPF rating) but also UV A.
Ulta violet light UV A UV B
Natural sunlight 90% 10%
Tanning bed 95% 5%
Excessive exposure to sunlight will increase one's comedone ( blackheads and whiteheads). This means that you will get more acne in due times as comedone is the earlier stage of acne. Not only that, collagen production on our skin will also decrease and drier and more inelastic skin plus slower healing of wounds will become more noticeable. This in turn will slow down our acne recovery and also make one's skin more prone to scarring after an acne is healed.
In summary, a decent amount of sunlight exposure is good for our acne if it is accompanied with a sunscreen moisturizer such as C & C Oil Free Day Moisturizer. As in everything in life, moderation is the key to a successful acne treatment; be it in food intake or topical treatment when it comes to improving one's acne condition.
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