what is the best shampoo for a dry itchy scalp?
['Philip Kingsley Flaky/Itchy Scalp Shampoo. ... ', 'The Body Shop Ginger Anti-Dandruff Shampoo. ... ', "Johnson's Baby Shampoo. ... ", 'Wella Professionals Elements Renew Shampoo. ... ', 'Aveda pramāsana purifying scalp cleanser.']