Rosemary Repel Leave-In Conditioning Spray was created to help repel head lice and keep other insects from the hair. This clinically proven formula blends organic oils of rosemary, citronella, tea tree, lavender and cinnamon. Infused with vitamins and minerals, this rich spray conditions, detangles and protects the hair from unwanted elements. Use with the Rosemary Repel Shampoo and put the final "seal" on the hair with either Rosemary Repel Gel or the Rosemary Repel Spray & Shield. Remember to spray behind the ears, back of neck and tops of shoulders for maximum lice protection. Use EACH morning before school, camp or daycare.