You will need: 1 onion 2 tbsp of coconut oil 1 leaf blade of aloe vera What to do: Blend the onion and then use a sieve to separate the onion water from the paste. Extract aloe gel from the leaf blade. Make a juice mix by blending onion water, aloe gel, and coconut oil together. Apply the mixture to wet your scalp and let it sit for about an hour. Rinse the mask off with warm water. Results: This recipe will help you treat hair loss or thinning hair. Onion juice also contains antibacterial and anti-inflammatory properties which will fight off any scalp issues.