Non-gas spray product with an acidic pH 3.5 capable of promoting the rebalancing of the hair before, during and after a technical treatment. The use of the Color Stabilizer pH 3.5 perfectly closes the hair scales, rehydrates it and facilitates combing for an optimal result of extending the tightness of all technical services and a longer duration of the color. The Color Stabilizer pH 3.5 is particularly recommended after the direct color mask. It leaves the hair combable, silky to the touch and full of vitality. It does not weigh down or grease even the finest hair.