Our expert says:
Hi Thomas, thank you for the question.
The ingredients in the Bioderma Max Range SPF 100 are as follows:
WATER (AQUA), DICAPRYLYL CARBONATE, OCTOCRYLENE, METHYLENE BIS-BENZOTRIAZOLYL TETRAMETHYLBUTYLPHENOL, BUTYL METHOXYDIBENZOYLMETHANE, CYCLOMETHICONE, ALCOHOL DENAT., C20-22 ALKYL PHOSPHATE, BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINE, PTFE, C20-22 ALCOHOLS, TOCOPHERYL ACETATE, ECTOIN, MANNITOL, XYLITOL, RHAMNOSE, FRUCTOOLIGOSACCHARIDES, LAMINARIA OCHROLEUCA EXTRACT, DECYL GLUCOSIDE, AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER, XANTHAN GUM, DISODIUM EDTA, SODIUM HYDROXIDE, PROPYLENE GLYCOL, CITRIC ACID, CAPRYLIC/CAPRIC TRIGLYCERIDE, PHENOXYETHANOL, METHYLPARABEN, PROPYLPARABEN, ETHYLPARABEN
Octocrylene is an organic compound used as an ingredient in sunscreens and cosmetics. This organic compound can penetrate into the skin where it acts as a photosensitizer. This results in an increased production of free radicals under illumination. Free radicals are known to induce indirect DNA damage and an increased concentration of free radicals might have contributed to the increased incidence of malignant melanoma in sunscreen-users compared to non-users.
Bisoctrizole, Tinosorb M, (INCI Methylene Bis-Benzotriazolyl Tetramethylbutylphenol) is a benzotriazole based organic compound which is added to sunscreens to absorb UV rays. It is marketed by Ciba Specialty Chemicals. When formulated into a sunscreen bisoctrizole has minimal skin penetration. Unlike some other organic sunscreen actives, it shows no estrogenic effects in vitro.
Bisoctrizole is not approved by the FDA, but is approved in the EU and other parts of the world.
Following from the above I am a little hesitant to use sunscreen products that contain Octocrylene due to an increase chance of developing melanoma.
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