Depending on your hair's thickness and length, you may need to repeat the previous three steps for the rest of your hair.
One application of shampoo is usually enough, unless your hair is very dirty or has a lot of oil in it - in that case you might need a second rinse for your hair.

Some more tips for shampooing hair :
                                                     Before shampooing your hair, do a hair massage with oil for ten to fifteen minutes. Do not wash your hairs immediately after massaging because massage stimulates the blood vessels, increases blood circulation and warms up the area. So, better wait for a hour or two. For two much dry hair, massage with warm olive oil is beneficial.

                       Do not use large quantity of shampoo in one go. It will just go waste. Wet your hair, take a spoonful on your left palm and rub well allover the scalp with right hand fingers. Let it soak into the skin, produce foam and then wash off with water. Apply it again if there is need similarly and wash off. Now wash your head well with plenty of water.

          Water temperature should start at warm and taper off to cool or cold, if you can stand it. Cold water seems to close pores and bring a shine to hair.

       After shampooing, don't rub your hair vigorously with towel. Rubbing your hair vigorously may result in hair breakage. Pat it dry gently and wrap your hair in a towel.

                Comb wet hair with a wide-toothed, smooth-edged comb with blunt tips (no sharp teeth). Never brush wet hair; it's too elastic and may snap with pulling. Work out tangles by combing gently, starting from the ends and working towards the scalp.

                 Brushing provides strength and lustre to the hair, but excessive brushing is harmful. In case, your hair falls out in clumps, there may be several causes:-