Onion shampoo for all hair types formulated with Onion Bulb Extract and Macadamia Oil. The Valquer Onion Shampoo provides hair with all the vitality and strength contained within this herbaceous plant (Allium cepa), which is even cultivated as food. The onion bulb is very rich in flavonoids, vitamins, essential oil, and sulfur compounds. These natural actives are highly effective due to their high purifying, antiseptic, antioxidant, anti-irritant, and hair growth-stimulating capacity. The onion shampoo works comprehensively at the hair bulb level, purifying it, aiding in its regeneration, and stimulating its activity: in this way, hair grows healthy with renewed strength and exceptional thickness and shine. It is also very effective in treating oily hair due to the sebum-regulating action of the sulfur actives contained in the extract obtained.