Fresh pure and aromatic SunLeaf only uses essential oils that are steam distilled / cold pressed / CO2 extracted from flowers leaves twigs fruits and roots of plants. The oils are sourced from highly experienced producers and every lot is tested and certified for quality & purity. Breathe deep and enjoy! TO USE Use 4-6 drops of essential oils for ultrasonic diffusing diluting in 1 oz of body care base or adding to your favorite home cleaning recipe. Single Note oils are made of steam extracted/cold pressed 100% pure essential oils and should only be used as directed not for consumption or direct skin contact. Note: Essential oils are concentrated oils extracted from real plants (flowers stems roots peels etc) and may be sensitizing to some individuals.