I won't lie to you and say laser hair removal never hurts. What matters to me is that you come to the clinic knowing what to expect, rather than being caught off guard if that particular day turns out more demanding than the last one. Pain during the treatment is a topic where simple rules are hard to come by, because it's influenced by many factors, some of them entirely unrelated to the laser itself.
One of the most important elements is our body's current state on the day of the treatment. Fatigue, lack of sleep, or stress lower the pain tolerance threshold, so the same treatment, performed with the same parameters as always, can feel completely different. A client who arrives rested and relaxed often goes through the treatment much more calmly than one who comes to us after a sleepless night or an especially hard week at work. This isn't a matter of the treatment's effectiveness changing — it's our momentary sensitivity to stimuli.
A second factor is individual pain threshold, which varies between people far more than one might expect. I see this every day during bikini treatments, where one client lies calmly and says she barely feels anything, while another, with the exact same laser settings, finds the treatment clearly painful. There's nothing unusual or wrong about this — it's simply a natural difference in nervous system makeup and individual sensitivity. That's why I never promise in advance that a given treatment will be painless, because honestly, I can't predict that.
It's also worth knowing that pain sensitivity changes across the menstrual cycle. In the period right before menstruation, when estrogen levels drop, women are typically more sensitive to pain, including the pain felt during laser hair removal. For this reason, for more sensitive body areas such as the bikini line, I recommend avoiding scheduling the treatment during those days if possible. A better time tends to be around ovulation, when estrogen levels are higher and pain is usually felt less intensely. It's a simple scheduling adjustment that can genuinely affect the comfort of the whole treatment.
There's also another variable that's hard to predict: consecutive sessions in the same series don't always go the same way. A client who breezed through the first session may feel more discomfort during the next one, even though the laser parameters stay unchanged and the treatment area is the same. The opposite happens too — a session a client dreaded after a difficult previous experience turns out surprisingly calm. There's no fixed rule here, and trying to invent one would be dishonest.
That's exactly why I believe honesty toward the client matters more than a promise of a painless treatment. Pain during laser hair removal is the sum of many factors: our momentary physical state, individual sensitivity threshold, the point in the menstrual cycle, and sometimes simply the kind of day we've had. Instead of making promises we can't guarantee, we try to select parameters for maximum comfort, inform clients about factors that may affect their sensations, and stay in contact with the client throughout the treatment so we can adjust the pace if needed.
If you're planning a treatment on more sensitive body areas, it's worth thinking about the timing in relation to your own cycle, and also making sure to get good sleep and rest the day before. These are small changes that can genuinely improve the comfort of the whole treatment, though they don't guarantee anything one hundred percent, because every body responds a little differently.
Katarzyna Gwizdal, MSc, cosmetologist, Skin Laser