itchy scalp. caucasian man itching and scratching his head. itchiness skin problem.

adult allergic allergy appearance care caucasian cosmetic dandruff dermatitis dermatologist dermatology disease dry eczema emotional hair head health hygiene illness infection irritation itch itchiness itchy lice lifestyle male man medical men people person portrait problem rash rashes scalp scratch scurf seborrheic shampoo skin symptom treatment trichology urticaria washing worried