Description of Alcohol soluble: Alcohol soluble refers to an ingredient or a chemical being soluble in alcohol. The group of alcohols is made up of products like ethanol, methanol, butanol and propanol. Knowing the solubility of the ingredients that make up a formulation is crucial to developing a product, both for the effects of the final formulation, as well as for the production process. In the Personal Care industry, alcohol soluble ingredients are most common in perfumes. In skin care, about 1 in every 5 formulations contain an alcohol to solubilize other ingredients. This is most common in sun filters.