Never used. Never opened. 15ml bottle. Cypress essential oil has a clean, evergreen aroma that can be used aromatically to create an ambience of security and grounding. Applied topically, it has benefits for skin, hair, and scalp. Topical: Apply 2-4 drops directly to desired area. Dilution not required, except for the most sensitive skin. Use as needed. Aromatic: Diffuse up to 1 hour 3 times daily.