What “Unwanted hair” can mean
Hair distribution, colour and thickness vary naturally. A concern may involve ordinary hair growth, increased coarse hair in an androgen-sensitive pattern, or hair that has changed suddenly.
Cosmetic hair reduction targets the hair, not every possible cause of increased growth. A cause should be considered when the pattern is new or accompanied by other symptoms.
Why it may occur
- Genetics, age and normal hormonal variation.
- Hormonal conditions, including polycystic ovarian syndrome, or some medicines.
- Hair colour, growth cycle and contrast with the surrounding skin.
- Shaving does not change the number of follicles or make hair biologically thicker.
When assessment matters
See a GP if growth is sudden, rapidly increasing or occurs with irregular periods, scalp hair loss, voice change or other hormonal symptoms.
Before a procedure, disclose medicines, recent tanning, skin conditions and any history of burns or pigment change.
Broad care pathways
The right starting point depends on the cause, your health and what matters to you. These categories are for discussion, not a recommendation.
Temporary removal
Shaving, trimming, waxing and depilatory methods remove hair at or near the surface. They differ in irritation risk and how long the result lasts.
Light-based reduction
Laser or intense pulsed light may reduce growth when hair pigment can absorb the selected light. Response depends strongly on hair and skin colour; it is reduction rather than guaranteed permanent removal.
Clinical management
A GP or other qualified health practitioner can investigate a possible underlying cause and discuss medical management when appropriate.
Set realistic expectations
- Hair grows in cycles, so repeated sessions are commonly discussed.
- Pale, grey, white or red hair may respond poorly to pigment-targeting devices; maintenance may be needed.
Questions worth asking at a consultation
- Is my hair and skin colour suitable for this device?
- How will settings and cooling be selected for my skin tone?
- Could my pattern warrant medical assessment first?
Sources and review
Editorial review: 12 August 2026. Sources are provided so you can check the clinical and safety context directly.
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