Scientifically Proven Teeth Whitening! by Scientifically Proven Teeth Whitening!#1. Mix lemon juice and baking soda to create a solution.#2. Dip a cotton bud into the lemon juice and baking soda solution and apply it to your teeth.#3. Let the lemon and baking soda solution sit on your teeth for around a minute.#4. Brush your teeth to remove the acid.If you like this tip or find it useful please give it a like and I will do more tips like this - thanks in advance! 💛