Copper levels in green hair decreased significantly after treatment.
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October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
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May 2015 in “European journal of pharmaceutics and biopharmaceutics” The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.
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July 2002 in “Australasian Journal of Dermatology” Two plywood factory workers developed contact dermatitis from phenol-formaldehyde resin, a known allergen.