Experience instant relief with the Kevin Murphy SCALP.SPA SERUM. This lightweight, fast-absorbing leave-on treatment is specifically designed to soothe and balance an irritated scalp. Formulated with skin-loving ingredients like celery seed extract and rose flower oil, it works to calm sensitivity and regulate sebum production for both dry and oily scalps. Its weightless formula ensures your hair remains fresh while providing the essential nourishment needed for healthy hair growth. Simply apply to damp or dry hair, massage into the scalp, and let it work its magic without the need for rinsing.