How thick will the hair grow back after laser? Ever looked in the mirror weeks after your laser session, wondering “Is this hair supposed to come back? And if it does… will it be thicker?” I have seen it all and after treating thousands of patients I have all the answers you are looking for. No, your hair will not grow back thicker after laser. In fact, quite the opposite. Laser hair removal weakens the follicles over time. So if hair does grow back, it tends to be finer, softer, and lighter. Not darker. Not coarser. And certainly not thicker. That’s a common myth, understandable, but inaccurate. But let’s unpack that a little more so you know what to expect long term.
What actually happens to hair after laser?
Laser hair removal works by targeting pigment in the follicle with intense pulses of light, destroying the root and impairing its ability to regrow. But not all hair is in the same phase of growth at any given time. That’s why laser requires a course of treatments. Usually 6–8 sessions spaced 4–6 weeks apart, to catch as many active follicles as possible.
Here’s what to expect post-treatment:
- Initially, the treated hair may appear to “grow”, but it’s actually shedding. This usually occurs by 10-14 days after your treatment.
- After shedding, some areas may look patchy. That’s a good thing. It means follicles are being disabled.
- Over the course of treatments, regrowth slows down significantly.
- And when hairs do return (especially in hormonal areas like the face or bikini line), they’re often finer, sparse, and much easier to manage.
Laser hair removal doesn’t cause thicker regrowth. If anything, it gradually takes you in the opposite direction, towards less hair, not more.
What if I only do one or two sessions?
What many people don’t realise is that if you stop after just one or two sessions, you’ll likely see regrowth. And it may feel thicker, but that’s only because it’s all growing at the same time, with less stubble due to shaving or waxing.
In reality, you haven’t completed enough treatments to weaken the follicles properly. So it’s not that laser made your hair thicker. It’s that it didn’t get the chance to do its full job. That’s why consistency is key.
How thick will the hair grow back after laser?
Hair won’t grow back thicker after laser. In most cases, it won’t grow back at all. And for the few hairs that do, they’ll be the kind you barely notice. The kind that no longer controls your schedule, your outfit choices, or your confidence.
Laser isn’t magic. It’s science. But it’s science that, when done properly, changes lives. If you’re tired of wasting time shaving and want a more convenient solution, come and see us at our laser hair removal clinic in London. We’ll walk you through the process, answer your questions, and create a plan that works for your skin, your goals, and your lifestyle.
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