littel help with my research

The assignment is on conducting a small basic research project on the topic “Comparative study on Brand Loyalty for hair care products vs dental products among Saudi Nationals”

The students are supposed to submit the following for assignment –

  Chapter 1 – Introduction ( 5 small sections as you will see + the number of rsponses is 70 )

i need littel help with the introduction and i will attach a file to show how it`s has to be done ..

ps. the ansower should not be copied