... Minimum 95% HPLCSolubility: Clear colorless solution at 0.1Mg/Ml in cool waterTest Item: Appearance, Solubility, Loss on drying, ... long, fuzzy strings hanging from trees in the forests In natural remedies, especially in the veterinary medicine, Usnic Acid is ... has been formulated in creams, toothpaste, mouthwash, deodorants and sunscreen products, in some cases as an active principle, in others as a ...