Try to avoid chemicals in your hair care products, for healthier results. Many products make a lot of promises, but it's up to you to read the ingredients and determine if those promises are gimmicks or not. The more basic and natural the ingredients are, the better your results will be.
When you are in the shower and washing your hair, make sure you turn your hot water down, whenever you are doing your washing and conditioning. Hot water can dry out and irritate your scalp and this can cause flaking and dandruff that is unattractive and also, hard to get rid of.
For proper hair care, be sure to rinse your hair thoroughly after washing it. Shampoo and conditioner left in the hair can leave a residue that dulls the hair. Do not just rinse once and stop. You need to make sure you rinse your hair thoroughly and remove all the hair care products from it so it will be shiny and not dull.