The Sebum Regulating Shampoo regulates excessive sebum production and purifies oily scalp and hair. The Sebum Regulating Shampoo removes impurities and reduces excess sebum from oily scalps. It provides an immediate feeling of freshness and helps you spread out your washes. The scalp is purified, hair becomes less greasy, and regains its lightness and flexibility. Sarcosine works specifically to limit excessive sebum production. Thanks to a rosemary extract, the scalp is rebalanced and protected against external aggressions. It's recommended to apply to wet scalp, massage gently to remove impurities from the roots, and then rinse. A small amount is sufficient due to its concentrated formula. Repeat application to allow the active ingredients to penetrate and enhance the purifying action, then rinse. Recommended duration of use: 1 month. Frequency of use: At least twice a week. Adjust according to excess sebum. With each application, effectiveness improves: sebum production is regulated, and hair becomes less oily. Washing frequency can be increased over time. In case of contact with eyes, rinse thoroughly.