Integrative overview: causes of thinning hair in men, Can stress cause hair loss in men?, and What does traditional Chinese medicine say about hair loss?

First separate a long-running change from a sudden one. Male-pattern hair loss, also called androgenetic alopecia, commonly appears as a receding frontal hairline or reduced density on top. Genetic and hormonal factors contribute, and affected hairs can gradually become finer. The British Association of Dermatologists describes this front-and-top pattern, with the sides and back often spared [2]. For a new temple change, our guide to receding hairline causes can help you describe the observation before consultation.

Not every man with visible scalp has the same cause. More general thinning can follow illness, major dietary or weight change, low iron, medication, scalp infection or another condition. Hong Kong's Centre for Health Protection includes family history, health conditions, scalp infection or skin damage, nutrition and stress as possible contributors [1]. A timeline helps avoid blaming a busy month at work for a pattern developing over years.

Look at the hair and scalp together, rather than only counting hairs in the shower. Note whether the loss is concentrated at the hairline, crown, beard or eyebrows; whether there are sharply defined round areas; and whether the scalp looks inflamed, scaly, painful or otherwise changed. Patchy loss and abnormal skin are reasons to arrange medical advice rather than experiment with products. A clinician may identify a likely pattern from the history and examination, while selected cases need further investigation [1] [3].

A comparison matters when it changes your next step. Gradual M-shaped recession or crown thinning with family history fits a male-pattern presentation, but says little about rate of change or scalp health. Diffuse shedding means hairs are coming out across the scalp, sometimes after a trigger. A small, smooth round patch is another pattern. Bring the pattern, timeline and goals to an appropriate health professional rather than choose a remedy from an online label.

Scalp symptoms deserve their own line in the history. Flaking, redness, tenderness, pustules, tightness or intense itch can shift the priority from cosmetic thinning to skin evaluation. Note new dyes, bleaching, tightly pulled styles, hot tools or irritating products. Ordinary shampooing does not cause male-pattern hair loss; breakage, irritation and scalp disease should not be confused with the slow follicle changes discussed in male pattern hair loss causes.

The table below is a way to prepare observations, not a diagnostic checklist. More than one factor can be present at once. For example, a person with a family tendency to pattern loss may also notice temporary shedding after illness. That is why an assessment should not stop after the first plausible explanation. The American Academy of Dermatology notes that some people have more than one cause of hair loss [3].

The next step should fit the uncertainty. If a stable, gradual hairline or crown change is the only issue, consultation can confirm the pattern and discuss goals. If loss is rapid, patchy, accompanied by scalp change or affecting general health, seek medical assessment first. This order avoids overlooking conditions that need another approach. If you are unsure how the typical pattern begins, read How does male pattern baldness start? and compare it with your observations without treating the article as diagnosis.

Be cautious with products that promise a universal answer to thinning hair. Evidence, safety and suitability differ by diagnosis, and even established treatments may not suit everyone. Do not start medicines, concentrated herbal products or nutrient supplements merely because a social-media post links them to hair. The Centre for Health Protection warns against using drugs without a doctor’s prescription, and its page stresses identifying underlying causes before treatment [1]. If a deficiency or medical cause is suspected, testing and treatment decisions belong with the relevant clinician.

For an integrative discussion, be clear about what you want help with: understanding the pattern, scalp comfort, managing stress-related routines, or deciding whether to pursue conventional assessment. At TCM Lab, a registered Chinese medicine practitioner can discuss traditional pattern concepts and individual options after consultation; no herbal formula or acupuncture approach should be presented as a proven substitute for diagnosing hair loss. You can ask about availability at the Kwun Tong Chinese medicine clinic or the Chinese medicine clinic Prince Edward, and ask about language needs when contacting the clinic.