Studies on Lavender Essential oil conclude that lavender has a sedative effect and can be useful before sleep. Lemongrass helps to relieve stress, anxiety and insomnia. In addition, Lavender essential oil can benefit the skin in numerous ways. It has the ability to lessen acne, help lighten skin, and reduce wrinkles. Peppermint soap acts as a refreshing skin tonic and cools down inflammation cause by skin blemishes and acne.