Le Petit Marseillais Anti-Pelliculaire (anti-dandruff) shampoo contains 4 essential oils: thym - recognized for it's natural cleansing properties; rosemary - known for it's purifying elements; citrus - recognized in regulating the production of sebum; chamomile - soothes the scalp. In addition to these four essential oils, this anti-dandruff shampoo also contains green mint, which gives your scalp a feeling of tingling freshness. It is recommended to lather the shampoo into foam and leave on the scalp for one or two minutes before rinsing.