Tips for controlling oily hair Do occasionally – mix 2 egg yolks with 2 tsp lemon juice or vinegar. Work it into hair and let set a few minutes while showering. The egg binds with the hair oil. Rinse with lukewarm water. Be sure to shake the mixture vigorously to ensure the baking soda is completely dissolved into the water. Massage baking soda shampoo into your scalp for at least 2 minutes. Give your hair a few weeks to adjust to the change (like 2-3 weeks or more).