Lemongrass essential oil is derived from the leaves of the lemongrass plant and is known for its refreshing and invigorating aroma. In cosmetics, it is often used for its:

1. Antimicrobial properties: Lemongrass essential oil has antimicrobial properties that can help to kill bacteria and prevent skin infections.
2. Astringent properties: Lemongrass essential oil is a natural astringent, which means it can help to tighten and tone the skin, making it useful for reducing the appearance of pores and for treating oily skin.
3. Anti-inflammatory properties: Lemongrass essential oil has anti-inflammatory properties that can help to reduce redness and irritation on the skin.
4. Analgesic properties: Lemongrass essential oil has a cooling effect on the skin and can help to reduce pain and discomfort.
5. Aromatherapy: Lemongrass essential oil also has a refreshing and uplifting aroma that can help to improve mood and promote relaxation.
6. Lemongrass essential oil is also used in hair care products as it is helpful in promoting hair growth, reducing dandruff and itchy scalp.