Alkmene My Tea Tree Oil Calming Scalp Tonic has the highly effective, gentle formula with tea tree oil and piroctone olamine has been proven to relieve scalp irritation. It moisturises and effectively soothes dry, itchy and scaly scalps. Tea tree oil not only helps to rid the scalp of excess sebum, but also regulates sebum production. The antifungal effect of tea tree oil also inhibits the growth of yeast. Piroctone Olamine soothes the scalp and helps with itching caused by dandruff. Regular use restores the natural balance of the scalp and prevents the recurrence of dandruff. For a healthy, relaxed scalp. Skin compatibility dermatologically confirmed.