Did you cut your hair and regret it and want to grow it again? Then you should apply this mask immediately. For this, you will use a material that you can easily find at home. Onions are a food in every household. You’ve heard that onion is a natural antibiotic. Onion is a vegetable that is good for many diseases and infections, so we should consume it not only as a mask but also as a nutrient. Grate 4-5 onions and put them in a saucepan and boil for a while with water. After the water is warm, you can take a bath and wash your hair with this water. You can use a few drops of lavender oil to prevent bad smell.