6. Lavender Oil Lavender oil is a 100% natural product obtained by steam distillation of Lavender vera. It is the safest and most widely-used oil in aromatherapy and one of the few oils that can be applied directly to the skin. The extremely scented lavender oil can be used in the preparation of cosmetic products such as creams, lotions, tonics, or perfume compositions. It not only gives a pleasant aroma but has an antiseptic and nourishing effect, even on inflamed, injured, or reddened skin. In aromatherapy, it is most often used in states of anxiety, mental fatigue, or stress. It is believed to have a beneficial relaxing and relaxing effect. It mixes very well with other oils and increases their activity in mixtures.