Each Complete Head Lice Kit contains: one Tea Tree Oil Shampoo, 250 mL one Tea Tree Oil 100% Pure, 25 mL The Tea Tree Oil and Shampoo Kit from Holista contains tea tree oil shampoo and 100% pure tea tree oil and guarantees a safe and natural treatment for eradicating head lice and nits and helping to prevent re-infestations. The shampoo contains 2% tea tree oil and is also mild enough for daily use; it’s hypoallergenic, with no added fragrance. Tea tree oil shampoo works to remove build-up on the hair and scalp, leaving it feel nourished and clean; ideal for those who have a dry flaking scalp. The 100% pure tea tree oil is a natural first aid remedy and can be used for common ailments of the skin such as acne, nail-bed fungal infections, minor skin abrasions and more. CAUTIONS / WARNINGS: For pregnant or breastfeeding woman, and for children under the age of two, use only half the recommended amount of pure Tea Tree Oil Avoid the topical and internal use of tea tree oil for cats and dogs, as they appear to poorly tolerate tea tree oil which may lead to serious toxicity For external use only Avoid contact with eyes and mucous membranes. In case of accidental contact, rinse with water. Discontinue use if rash or irritation occur. Do not use in the presence of dermatitis or other chronic skin conditions.