Answer:
by smelling
Explanation:
lactic acid has a sour sharp briny scent, while alcohol.. well we all know how that smells
<span>Triethanolamine is used in products to help blend oil-soluble and water-soluble ingredients. In locations it also helps balance the ph. Stearic acid is thickening agent that is used to thicken lotions. It is also said to soften the skin.</span>