Homemade hot oil treatment - this is supposed to help your hair grow faster. 1. Combine the olive oil and honey in a saucepan and heat the mixture over high heat until it boils. 2.Take the saucepan away from the heat and allow the mixture to cool down. Stir the olive oil and honey so they're well blended. 3. Put the honey and olive oil mix onto your hair. Comb it through for best results. Wrap your hair in a towel or put it up in a plastic shower cap and leave the treatment on for between 15 and 30 minutes. 4.Shampoo your hair as normal.