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1. What is blue light?
White sunlight, to which humans have become acclimatized over the course of evolution, contains between 25 and 30% natural blue light (wavelengths between 380 and 500 nm; Figure 1 ) ; human skin is therefore exposed to it on a daily basis, and this natural exposure has many positive aspects. In particular, it helps regulate the circadian cycle (via excitation of cytochromes inducing a phosphorylation...
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What is blue light?
Blue light and skin: how does it affect the skin?
Bibliography
- (1) - 8 solutions pour se protéger de la lumière bleue nocive des écrans | Bollé Safety. - https://www.bolle-safety.fr .
- (2) - LIU (Q.), WANG (Q.), DENG (W.) et al - Molecular basis for...
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Bioalternatives – CRO specialized in cellular and molecular pharmacology, offering a range of solutions dedicated to preclinical research and the development of drug candidates, active ingredients and cosmetic formulations.
https://www.bioalternatives.com
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Standards and norms
- Cosmetics — Good Manufacturing Practices (GMP). - ISO 22716 - 2007
- Détermination in vitro de la photoprotection UVA. - ISO 24443 - 2012
Regulations
Council Directive 76/768/EEC of July 27, 1976 on the approximation of the laws of the Member States relating to cosmetic products (Cosmetics Directive).
Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16/12/08 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC)...
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BAE (E.K.). – Manufacturing method of emulsion containing titanium dioxide for blue light interception and cosmetic composition for protecting containing thereof. KR20190083832 (A).
CANDAU (D.), DURANTON (A.), PRUCHE (F.) and RICHARD (H.). – Use of at least one blue-light screening agent to preserve the amount of endogenous carotenoids in the skin, new blue-light screening agents, cosmetic compositions....
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