Finding more hair in your brush or shower can be unsettling, but some shedding is part of the hair growth cycle. The amount you notice can shift with changes in health, stress, hormones, or hair care. The pattern and timing can offer useful clues, though they cannot confirm a cause on their own. Here are common reasons shedding changes, what to keep track of, and when a dermatologist may help.
Normal shedding and temporary shifts
Hair grows, rests, and sheds in cycles, so loose strands are expected. Shedding may seem more noticeable after washing or brushing because hairs that were already loose come away at once. Changes in washing frequency, styling habits, or hair length can also make the amount in your hands or drain look different without signaling a medical problem.
A temporary increase can follow a physical or emotional stressor, such as an illness, surgery, major life change, or significant weight loss. In some cases, increased shedding begins weeks or months after the event. This kind of timing can make the connection hard to spot. Note when the shedding started and whether anything changed in the months beforehand.
Health, hormones, and nutrition
Hormonal changes related to pregnancy, childbirth, menopause, or thyroid conditions may affect the hair cycle. Some medications can also contribute to shedding. Do not stop a prescribed medicine on your own; ask the prescribing clinician whether it could play a role and what options are safe.
Low iron or other nutritional shortfalls may be relevant, particularly when paired with restrictive eating or a health condition that affects absorption. Hair loss has many possible causes, so supplements are not a reliable shortcut and can be harmful in excess. A clinician can review your health history and decide whether an exam or lab testing makes sense.
Hair practices and scalp conditions
Frequent heat, chemical processing, or tight hairstyles can weaken hair or place repeated tension on the roots. Breakage may look like shedding, but shorter pieces and uneven lengths can be clues that strands are snapping rather than falling from the follicle. Loosening styles, reducing heat, and handling wet hair gently can help limit preventable damage.
Scalp irritation or inflammation may also affect hair. Itching, scaling, tenderness, redness, or patches with missing hair are useful details to share with a dermatologist. Avoid harsh treatments or vigorous scrubbing while the scalp is irritated. The right approach depends on the cause, and treating the scalp may be an important part of addressing the hair change.
When to consult a dermatologist
Consider an evaluation if shedding continues, becomes pronounced, or comes with visible thinning, bald patches, scalp discomfort, or changes in the skin. A dermatologist can examine your scalp and hair, ask about the timing and pattern, and review health conditions, medications, family history, and recent life events. Depending on the findings, they may recommend tests or discuss treatment options.
Before the visit, write down when you first noticed the change, any recent illness or medication changes, and the hair products or styles you use. Photos taken in similar lighting can help you compare changes over time. These notes do not replace an exam, but they can make the conversation more focused and help your clinician understand what you have noticed.
Hair shedding can change for many reasons, and noticing a shift does not automatically mean something serious is happening. Track the timing, pattern, and any scalp symptoms, and seek professional guidance if the change persists or concerns you. Richmond Hair Dermatology can help you discuss what you are seeing and whether an evaluation may be useful.