GUARANTEED SATISFACTION: All of our essential oils for diffuser across our essential oils set are lab tested to ensure the conformity to global standards. You can request the necessary documents relating to this rosemary oil essential and all of our diffuser oils across the range by contacting us and we cover you with a money back guarantee if you are not satisfied. STRONG HAIR: Rosemary essential oil makes a common ingredient in many hair care products because of its popularity and efficacy in stimulating the scalp and supporting healthy hair growth. ✓CERTIFIED: This diffuser oil is Soil Association certified and free from any harsh chemicals, additives and preservatives that are destructive to our beautiful planet & us. This rosemary oil for diffuser has been manufactured under the strict European laws about the production of organic food, animal welfare, protecting human health and safeguarding the environment. QUALITY & PURITY: This natural rosemary oil is obtained from the leaves of organically grown Spanish Rosmarinus Officinalis farms, certified under strict Soil Association Organic Standards. To maintain quality, leaves are harvested just before the blooming season. These are then dried and sent for rosemary essential oils extraction by the steam distillation process. ORGANIC ROSEMARY OIL: Used in aromatherapy, the refreshing scent of organic rosemary oil removes fatigue and reduces stress without making you sleepy. The aroma exuded by these essential oils increases mental alertness and stimulates the mind.