- Unopened bottle - Retail price: $85.33+taxes (see images). Chamomile oils are very popular due to their well-known ability to calm, soothe, and help induce sleep. This popularity in combination with the number of flowers it takes to produce the oils means higher prices. - Aromatic Description: Floral, sweet, herbaceous Roman Chamomile can often be found in face creams, hair dyes, shampoos, and perfumes. Directions Diffusion: Use three to four drops in the diffuser of choice. Topical use: Apply one to two drops to desired area. Dilute with a carrier oil to minimize any skin sensitivity.