Our Christmas range will slowly release fragrance for at least 4 weeks, creating a seasonal fragrance around your home. Using a delicate blend of natural essential oils and 0% alcohol the diffuser will continue to fragrance your room until the last drop of oil has evaporated. Fresh Pine Tree A sweet, natural aroma that will fill your home with the warm fragrance of pine trees. Top notes: fresh fir tree Heart notes: moss, pine and cedar wood body Base notes: woody, sweet resin background.