Onion juice for hair regrowth before and after/ Onion juice results for hair regrowth and hair loss. Onion juice can help you grow your hair super fast and sexy, combat hair loss, alopecia, alopecia areata and male and female pattern baldness. This is because onion juice contains a special form of sulfur, and recently a lack of sulfur in the scalp has bee spotted by science as one of the main causes of hair loss, and slow hair regrowth. Using onion juice in the right way, as we recommend in the video, will help you a lot in the condition of your hair. In fact onions contain also several other vitamins, and will boost the blood circulation on the scalp. In this video we even show before and after pictures of people who have been using onion juice on their scalp and hair. In this video we show you 3 ways to use onion juice on your scalp, mixing it a hair oil, coconut oil castor oil, and even honey.