Aspercreme

Trolamine salicylate (Aspercreme, Aspergel) is an organic compound which is the salt formed between triethanolamine and salicylic acid. It is used as an ingredient in sunscreens, analgesic creams, and cosmetics. The salicylic acid portion contributes to both the sun protection effect (by absorbing UVB radiation) and to the analgesic effect. The triethanolamine neutralizes the acidity of the salicylic acid. One benefit of this topical analgesic is that it has no odor, in contrast to other t... [wikipedia]