Apply to a wet or dry scalp. Part hair and use the nozzle to disperse all over scalp and hairline. Massage with fingertips, leave for 1-2 minutes and then rinse. Follow with a Hairburst Shampoo and Conditioner. Use 1-2 times per week. How does it work The exfoliating scalp scrub gives a deep clean feeling for all hair types and particularly supports those with excess oil or dry flaky scalps. It works to remove dead skin cells, balance moisture levels and your microbiome, leaving a fresh, clean feeling as part of your weekly hair care routine. Warnings: Avoid contact with eyes, in case contact occurs, rinse immediately with plenty of water. If irritation persists, seek medical advice. Keep out of reach of children. Not to be used for children under 3 years of age.