Laser hair removal is one of those treatments where the gap between what's promised and what's delivered can be enormous — depending entirely on the device being used, the operator's skill, and whether the treatment is actually set up correctly for your skin tone. This guide is about what genuinely happens, not what sounds good in a brochure.
How It Actually Works
Laser hair removal targets melanin — the pigment in the hair shaft and follicle. When the laser (typically an 810nm diode for most skin types) hits the dark pigment in the hair, the energy converts to heat and destroys the follicle. No follicle, no regrowth from that follicle.
The critical word is “that follicle.” Laser only destroys follicles in the active growth phase, called anagen. At any given time, roughly 20 to 30% of hair follicles are in anagen. The rest are in resting or transitional phases and are either invisible or not responsive to laser. This is why a single session never gives complete results — you need to catch follicles across multiple growth cycles.
How Many Sessions Do You Actually Need?
The honest answer: 6 to 8 minimum for most areas, spaced 4 to 6 weeks apart. Some areas — upper lip, chin, jawline — may need more because hormonal hair in these areas tends to be more resistant. Any clinic telling you 3 to 4 sessions will do the full job is either using a weak device or understating what you'll actually need.
After a full course, most patients see 85 to 95% reduction in hair density. That remaining 5 to 15% is typically finer, lighter, and slower-growing. It's not zero — “permanent hair removal” is technically “permanent reduction.” Most patients are completely happy with the outcome. A maintenance session once a year or so keeps it there.
Darker Skin Tones — What You Need to Know
This matters significantly in Pakistan, and it's not discussed enough. Darker skin (Fitzpatrick types IV, V, and VI) contains more melanin in the skin itself — not just in the hair. An aggressive laser setting designed for lighter skin can cause burns, hyperpigmentation, or scarring on darker skin. It's a real risk with operators who use one-size-fits-all settings.
The right device for medium to dark South Asian skin is a diode laser with a longer pulse width — this gives the follicle time to absorb the energy without the surrounding skin overheating. Settings should be personalised to your Fitzpatrick type, not just the area being treated. A test patch before a full session is also standard practice for anyone with a darker complexion.
Before Each Session
- Shave the area 24 hours before — not wax, not thread. Waxing removes the hair shaft that the laser needs to target.
- Avoid sun exposure for two weeks before treatment. Tanned skin is at higher risk of burns.
- No retinol, acids, or active skincare on the treatment area for 48 hours before.
- If you're on tetracycline antibiotics, let the clinic know — these are photosensitising.
After Each Session
The area typically feels like a mild sunburn for a few hours — some redness and warmth. This is normal. Apply a soothing aloe vera or prescribed cream and keep the area out of direct sun. Avoid heat (hot baths, saunas, exercise) for 24 to 48 hours. The treated hair starts shedding over the next 1 to 3 weeks — this is the follicle expelling the destroyed hair, not regrowth.
When to Start
Many people ask about timing. Winter is genuinely better for laser hair removal in Pakistan — less sun exposure, easier to protect the treated area, and the results tend to be more consistent because the skin has less background UV damage. Starting in October or November means you're typically through your main course by spring.
Our laser hair removal service uses a calibrated diode laser with settings personalised to your skin tone and hair type. We're near Bahria Town Phase 7 Rawalpindi and DHA Phase 1 Islamabad. Book a consultation and we'll do a skin assessment and give you a realistic session plan.