Mamado Natural Onion Hair Oil 150ml Mamado Onion Hair Oil is rich in sulfur and potassium, known to stimulate the scalp and improve blood circulation, which can lead to hair growth and reduce their fall. One of the key ingredients is onion seed oil, which unblocks hair follicles and promotes new hair growth. Mamado Onion Hair Oil is free of harmful chemicals and toxins and is safe for colored and chemically treated hair. For all hair types. Application: for hair Put a few drops of oil in the palms of your hands and gently massage the scalp. At least 5 to 7 minutes. Leave on for 30 minutes and rinse with a mild shampoo. Do it 1-2 times a week for best results.