Optical Brighteners

NASTY, not used in ecostore products

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High Health Hazard. Optical whiteners and brighteners are slow to break down in the environment and can accumulate in aquatic life.

Optical brighteners are additives whose function is to make fabrics and other substrates appear visually whiter and hence "cleaner". The residual chemicals adhere to cloth fibres, and reflect UV light, giving fabric a clean, white appearance. The health issues associated with optical brighteners are allergic reactions and skin irritation. Once entering the environment they are slow to break down and can accumulate in aquatic life. REFERENCES: (1. Kramer J B, Canonica S, Hoigne J, Kaschig J. Degradation of Fluorescent Whitening Agents in Sunlit Natural Waters. Environmental Science & Technology 1996: 30: 2227-2234. 2. Ganz C R, Schulze J, Stensby P S, Lyman F L, Macek K. Accumulation and elimination studies of four detergent fluorescent whitening agents in bluegill (Lepomis macrochirus). Environmental Science & Technology 1975: 9: 738-744 3. Osmundsen, P. E., & Alani, M. D. (1971). Contact allergy to an optical whitener, "CPY", in washing powders. British Journal of Dermatology, 85(1), 61-66.)

INCI Name Optical Brighteners
EWG Rating 1 - 2
Learn more on the EWG website