Noun
(organic chemistry, uncountable) A bicyclic aromatic hydrocarbon containing a five- and a seven-membered fused ring; it is a blue, oily liquid first obtained from the essential oil of wormwood.
(organic chemistry, countable) Any of its derivatives.
Source: en.wiktionary.orgSoothing, cooling gel combined with Aloe and Azulene will soothe and reduce irritation, increase hydrating, and additional ingredients of Lavender and Japanese Green Tea offer an immediate sensation of comforting freshness. Source: Internet