Buy online Australia wide. Uses and benefits of Lavender Essential Oil (Cosmetic Blend) include. The beautiful, classic aroma of Lavender Essential Oil Cosmetic Blend makes it a great essential oil for candle making. Because of this, the benefits of Lavender Essential Oil Cosmetic Blend are also well-known when it comes to household cleaning. The pure Lavender Oil within this Lavender Oil variation makes it fantastic for cosmetic use and skincare. Many have also experienced the benefits of Lavender Essential Oil when used in an aromatherapy diffuser or vaporiser; the naturally occurring sedative properties promote relaxation and calmness and because if this, many find it to be one of the best essential oils for sleep.