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Sun Care

Natural sunscreen versus chemical sunscreen
Sunscreen is vital for protecting your skin from the damage caused by the Sun’s harmful rays. But some ingredients in chemical sunscreens can cause irritation, allergies and hormone disruption. Read More Other chemical sunscreen ingredients are unable to withstand powerful UV radiation without losing their effectiveness and some can even form potentially harmful breakdown products when exposed to sunlight. Chemical-based sunscreens absorb UV radiation before it can penetrate deeply into the skin and cause damage. They often contain ingredients known as ‘penetration enhancers’ which help the product adhere to the skin, however, this results in the chemicals themselves being absorbed into the body where they have been measured in blood, breast milk and urine samples, according to the Environmental Working Group’s cosmetic safety database. On the other hand, natural sunscreens, also known as physical sunscreens, contain mineral filters like zinc oxide and titanium dioxide. These ingredients are designed to sit on the skin’s surface and act like a physical barrier which deflects the Sun’s harsh rays.
Nanoparticles
In conventional sunscreen formulas, zinc oxide and titanium dioxide leave a white layer on the skin, but when these ingredients are reduced to nanoparticles, they become invisible while still providing broad-spectrum protection. That's why nanoparticles in sunscreen are so popular. But there are safety concerns that nanoparticles might be absorbed into viable cells below the skin’s surface, risking damage to these cells. According to the Therapeutic Goods Administration (TGA), the potential for nanoparticles in sunscreens to cause adverse effects depends primarily upon the ability of the nanoparticles to reach viable skin cells. The TGA also states that, to date, the current weight of evidence indicates the particles remain on the surface of the skin and in the outer dead layer of the skin but the debate continues. In Australia, sunscreen manufacturers are not required to state particle size on their products. Naturally Safe Cosmetics only stocks nanoparticle-free sunscreen. Read Less

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