The essential first step before washing: this expert care instantly soothes the scalp for lighter, healthier hair. This 99% natural pre-shampoo care takes advantage of the benefits of BIO mint and eucalyptus essential oils to instantly soothe the scalp. Rebalances and purifies the scalp exposed to daily aggressions and removes existing dandruff. Thanks to its 10 times higher content of soothing Asteraceae extract, this biphasic concentrate soothes the scalp and provides long-lasting comfort. During the regenerating massage, Astera provides a sensation of freshness thanks to its delicate relaxing menthol notes, offering a true moment of relaxation and well-being. Hair is healthy and lighter from the first applications. Hair is softer, healthier and does not get greasy as quickly. Good tolerance for irritated scalp. Reserved for adults and teenagers from 15 years old. Rinse in case of contact with eyes.