What is the proper procedure for washing hair?
Step 1: Rinse your hair with warm water. Step 2: Squeeze shampoo onto your palm and rub to lather before applying on your hair. Do not apply shampoo directly on your hair. Step 3: Do not scratch your scalp with finger nails; instead use your finger pulps to gently massage it. Step 4: Rinse your hair thoroughly to avoid leaving any residue on your scalp.