What should you know about normal hair loss?

Hair grows in cycles, so hairs do not all remain on the scalp indefinitely. Seeing loose strands on a pillow, in a brush, or while washing can be part of that cycle. Shedding may seem more noticeable when longer hair collects together or when washing has been delayed.

Normal shedding should not create clear bald patches, a rapidly widening part, or a scalp that becomes increasingly visible. A change can follow illness, major stress, hormonal shifts, tight hairstyles, or nutritional problems. Patterned thinning can occur gradually at the temples, crown, or part. Patchy loss, broken hairs, scaling, pain, or marked scalp inflammation points away from simple everyday shedding.

Handle hair gently: loosen styles that pull, avoid repeated high heat, and use a wide-tooth comb when hair is wet. Keep meals varied and avoid starting high-dose supplements without medical advice, because excess intake of some nutrients can also be harmful.

Take a clear photograph of your part and hairline in consistent lighting, then compare it over time rather than counting every strand. Note recent fever or illness, new medicines, restrictive dieting, stress, scalp symptoms, and family patterns. These details help a clinician distinguish temporary shedding from a hair-loss condition.

Arrange a dermatology appointment if loss is sudden, forms smooth or irregular patches, continues to progress, or comes with itching, scaling, tenderness, redness, pus, or broken hairs. Prompt assessment is also sensible when eyebrows or eyelashes are affected, or when shedding follows a new medicine or significant illness.

Possible explanations include [Alopecia Areata](/conditions/alopecia-areata/), [Telogen Effluvium](/conditions/telogen-effluvium/), [Male Pattern Hair Loss](/conditions/androgenetic-alopecia/), [Female Pattern Hair Loss](/conditions/female-pattern-hair-loss/), [Traction Alopecia](/conditions/traction-alopecia/), or [Scalp Ringworm](/conditions/scalp-ringworm/). A clinician may examine the scalp and hair shafts and decide whether further testing is useful.

Ask: Does my pattern look like shedding or thinning? Could a recent illness, medicine, diet, or hairstyle be contributing? What scalp changes should I monitor? Would an examination or blood test help? Which treatments fit my situation, and what should I know before considering [Finasteride Treatment](/treatments/hair-restoration/finasteride-therapy/)?