Our essence milk is a semi aromatic essence that provides nasal & bronchial relief when used in spas, hot tub, saunas and steam rooms. It is a refreshing essential oil with an aromatic fragrance – the ideal product to enhance your sauna and steam rooms. Suitable for use in spas, saunas and steam rooms. Saunas: Saunas add directly to the water bucket, adjust amount to suit. Steam Rooms: Dilute 20 parts water to 1 part essence and dose into the steam supply.