NeoStrata Targeted Treatment Sheer Physical Protection SPF50, 50 ml

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At SkinCarisma, we've done our best to identify as many ingredients as possible but note the fungal-free label may not be 100% accurate due to the complexconditions and combination of ingredients that malezzeria can thrive on. While iron oxide is effective at absorbing all wavelengths of visible light [4], it is particularly effective at absorbing longer UVA radiation and blue light but its effects are less optimal as wavelengths increase [5]. UVA and Blue light (high energy visible – HEV – light) are particularly damaging for skin and adequate protection is not offered from conventional sunscreens [2]. Sunscreen should be at least SPF30 – while there isn’t a huge amount of additional UVB protection offered by SPF50+ sunscreens (SPF30 protects against 97% of UVB rays, while SPF50 protects against 98% of UVB rays), there may be better UVA protection in higher SPFs. This is due to the PPD method that recommends a UVA:UVB ratio of 1:3. Hughes, M., Williams, G., Baker, P., Green, A. (2013). ‘Sunscreen and Prevention of Skin Aging: A Randomized Trial’, Annals of Internal Medicine, 158 (11), 781-790. There are two main ways that research suggests we can protect our skin from visible light – iron oxide and antioxidants. Iron Oxide

The main concernwith nanoparticles is that they are so tiny that they are absorbedinto the skin more than we want them (ideally sunscreen should remain on the surface of the skin). Once absorbed they might form unwanted complexes with proteins and they might promote the formation of evil free radicals. But do not panic, these are concerns under investigation. A 2009 review article about the safety of nanoparticles summarizes this, "to date, in-vivo and in-vitro studies have not demonstrated percutaneous penetration of nanosized particles in titanium dioxide and zinc oxide sunscreens". The English translation is, so far it looks like sunscreenswith nanoparticlesdo stay on the surface of the skin where they should be. UV radiation leads to the production of DNA-damaging free radicals in the skin, decreases collagen and elastin levels within the skin, and causes changes to skin pigmentation. If not, don't worry about it - they do have had one of the longest safety records as preservatives! This lightweight, translucent fluid offers physical broad spectrum UVA/UVB sun protection with an Ultra- sheer mattifying texture that is ideal for all skin types, including sensitive skin. A sheer tint blends with natural skin tone. Formulated with all physical filters, titanium dioxide and zinc oxide, to provide broad spectrum UVA/UVB protection and defend against UV damage, along with an antioxidant PHA/Bionic complex to help preserve skin’s natural collagen and firmness. Potent antioxidants EGCG Green Tea Extract, Lactobionic Acid and Vitamin E work to neutralize free radicals and help preserve healthy DNA, promoting youthful looking skin.

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These include: Amodimethicone, Behenoxy Dimethicone, Bis-Aminopropyl Dimethicone, Cetearyl Methicone, Cetyl Dimethicone, Cyclomethicone, Cyclopentasiloxane, Dimethicone, Dimethicone Copolyol, Dimethiconol, Methicone, Phenyl Trimethicone, Phenyl Trimethicone, Stearoxy Dimethicone, Stearyl Dimethicone, Trimethylsilylamodimethicone.

The Silicone-free label only includes the most common Silicone ingredients that have indentified been reported by individuals that could potentially cause issues.Some research suggests that the addition of iron oxide to mineral sunscreens can reduce the amount of UVA and visible light transmitted to the skin to 20%. In particular, when iron oxide is combined with zinc oxide, it can reduce the amount of UVA radiation transmitted to the skin to 1.5% [3]. It'salso highly stableand non-irritating. So much sothat Zinc Oxide also counts as a skin protectant and anti-irritant. It's also often used to treat skin irritationssuch as diaper rash.