Health Canada has prohibited the use of basic green 4 in cosmetics and limited the allowed amount of three other substances with its latest update to the country’s Cosmetic Ingredient Hotlist. The hotlist includes substances that are restricted or prohibited from use...
The Canadian government has published an update to the Cosmetic Ingredient Hotlist. A maximum concentration of 14% is permitted for azelaic acid and its salts in all cosmetic products. Azelaic acid is a topical antiseptic used to treat acne and rosacea, but it can...