Dry red flaky scalp: causes and next steps

Fine white flakes with mild itch often fit dandruff, while greasy scale around the scalp, hairline, ears, or eyebrows can occur with seborrheic dermatitis. Thick, sharply defined scale may occur with scalp psoriasis. Broken hairs, tender patches, or areas of hair loss need assessment because scalp ringworm can affect the hair and skin.

Redness may also follow hair dye, styling products, scratching, frequent washing, or heat. A clinician may examine the scale, follicles, and hair, and may ask about household exposure, new products, and whether symptoms extend beyond the scalp.

Wash gently with lukewarm water and avoid scratching, picking scale, or applying fragranced oils to inflamed skin. If the pattern resembles dandruff, a pharmacist or clinician can advise whether a medicated shampoo is appropriate and how long to leave it on before rinsing. Follow the product directions and stop if it causes marked irritation.

Do not share combs, brushes, hats, or towels when an infection or lice exposure is possible. Avoid covering a painful or weeping scalp with occlusive products. Take a photograph during a flare and note new hair products, treatments, and contact with affected people or pets.

Arrange care if flaking persists despite suitable gentle care, returns frequently, or is associated with thick plaques, bleeding, severe itch, pus, tenderness, swollen glands, or hair loss. Seek prompt assessment for rapidly spreading redness, fever, marked swelling, or a painful soft area. Children with patchy hair loss or suspected scalp ringworm should be assessed rather than managed with shampoo alone.

Ask whether the appearance fits dandruff, seborrheic dermatitis, psoriasis, or infection; which shampoo is suitable; how to protect inflamed skin; and whether close contacts need checking.