Medicated shampoo With the active ingredient selenium disulfide, it combats stubborn dandruff on both oily and dry scalps. Its anti-recurrence technology prevents the reappearance of dandruff. Tea tree oil unfolds its natural antimicrobial effect with every hair wash. Characteristics: - Counteracts dry, flaking dandruff with the active ingredient selenium disulfide - Prevents the recurrence of dandruff with anti-relapse technology - Tea tree oil unfolds its natural antimicrobial effect with every hair wash. Salicylic acid helps to loosen dandruff. - The scalp is supplied with moisturizers. - Free from betaine - Dermatologically tested Application: Shake before use. Depending on hair length, apply a hazelnut- to walnut-sized amount to the damp scalp and massage in. Leave on briefly and rinse. Use as a treatment for two to three weeks, then 1-2 times a week alternating with a mild shampoo, e.g., DERMASENCE Milk Serum Shampoo.