Racial differences also exist in the cerumen glands, apocrine sweat glands which produce earwax. This is referred to as excessive earwax or impacted cerumen. Blue whales secrete earwax (cerumen) throughout their lives forming long, multilayered plugs. Earwax is partly composed of sebum produced by glands in the ear canal. In pharmaceutics, triethanolamine is the active ingredient of some eardrops used to treat impacted earwax. The ABCC11 gene determines axillary body odor and the type of earwax. Wet-type earwax is associated with armpit odor, which is increased by sweat production. At the time, Purdue sold staples like earwax remover and laxatives. The American Academy of Otolaryngology discourages earwax removal, unless the excess earwax is causing problems. In addition, unlikely-sounding substances such as urine and earwax were used to prepare pigments. Hearing usually returns completely after the impacted earwax is removed. This drug is also used as an earwax removal aid. A specific gene has been identified that determines whether people have wet or dry earwax. He then uses Cosmo to fire his earwax jelly at the other Anti-Fairies and Pixies.