Even if your skin is not sensitive you should never put undiluted TTO on your skin. Regarding TTO and sensitive skin, we say that you should be careful. You need to be a bit more patient with TTO, though, as its effects come slower but also with fewer side effects. acnes and the effectiveness of 5% TTO gel is comparable to the gold standard anti-acne treatment, 5% Benzoyl Peroxide lotion. Multiple studies confirm that TTO is effective against the evil acne-causing bacteria called P. Regarding skincare and tea tree oil, its most well-known effect is probably being a well established anti-acne ingredient. If so, there are other, less risky and more skin-friendly options out there. These are all theories, far from proven facts, but we feel that there are some justified reasons why formaldehyde-releasing preservatives and Dmdm Hydantoin count as controversial.Īll in all, it's up to you to decide if you wanna avoid this preservative group or not. Another potential issue is that formaldehyde-releasers might also release other things while reacting with amino acids in the skin that is probably the explanation why some people are not allergic to formaldehyde but are allergic to formaldehyde-releasing preservatives. The lingering formaldehyde might be toxic to the Langerhans Cells that are important for the skin's defense system. However, Colins argues that in the case of formaldehyde-releasing preservatives, formaldehyde is released slowly and the skin has probably not evolved to deal with that. Probably that is why the Cosmetic Ingredient Review Broad concluded both in 1988 and in 2008 that DMDM Hydantoin is " safe as used in cosmetics". The amount of formaldehyde used in cosmetics either neat or through formaldehyde-releasing preservatives is tiny.
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