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So I find the idea of ‘bleaching’ your skin - using a brew of tragacanth , lavender water, glycerine, boric acid, peroxide and distilled water - pretty scary.
Some, such as gum arabic and gum tragacanth , are exuded from the gashed bark of trees.
Similar vegetable gums, with the same possible adverse effects, are carrageenan, gum tragacanth , and carob or locust bean gum.