Tea Tree Essential Oil is a must-have oil to keep on hand for a wide array of applications. See the Tea Tree Essential Oil Uses section below for a laundry list of applications for Tea Tree Oil.rnThe aroma is medicinal, but many become fond (or at the very least, tolerant) to the aroma after becoming accustomed to it Botanical Name-Melaleuca alternifoliarnCommon Method of Extraction-Steam Distilled Plant Part Typically Used-Leaves- REFRACTIVE INDEX @ 20° C 1.4750 - 1.4820 RELATIVE DENSITY (20 ºC) 0.884 - 0.906 Color-Clear with a Yellow Tingern Consistency-ThinrnStrength of Initial Aroma-MediumrnAromatic Description-Tea Tree Oil is medicinal, fresh, woody, earthy, herbaceous.