close-up of scalp with dandruff and hair follicles

white visible unhealthy trichology treatment texture strands skin shine shadow sebum seborrheic scalp reflection problem pattern orange oil natural microscopic medical macro loss light itchy irritated hygiene human health head hair growth gloss follicle flakes dry disorder detail dermatology dermatitis dandruff condition closeup care brown brittle beauty background abstract dandruff scalp hair follicles macro close-up skin texture medical dermatology health problem