Spray 8-15 pumps directly onto the scalp in sections by parting the hair. Massage to encourage absorption. Do not rinse. For INTENSE treatment, use once per day for one month. Then for MAINTENANCE, use once per week on an ongoing basis. If you would prefer to use this treatment as more of a 'booster' for your hair - to keep it looking and feeling healthy, rather than targeting thinning hair - apply once a week only.WarningFor use on the scalp only. Do not apply if the scalp is particularly sensitive, irritated or damaged. Product contains vasodilating ingredients that may cause tingling and reddening of the scalp. Not suitable for sensitive skin. If irritation occurs, discontinue use. If the product gets into your eyes, rinse well with cool water until irritation subsides.