For most people, laser hair removal is worth it. A standard course of 6 to 8 sessions reduces hair by roughly 75%, and the results last months to years with only occasional touch-ups. Whether it’s worth it for you depends on how much you currently spend on shaving or waxing, how much unwanted hair bothers you, and whether your skin and hair type are a good match for the technology.
How Laser Hair Removal Actually Works
The laser targets melanin, the pigment that gives hair its color. When the laser beam hits a hair follicle, melanin absorbs the light energy and converts it to heat. That heat damages the follicle’s growth center and the stem cells responsible for producing new hair. The follicle doesn’t just lose its current hair; it loses much of its ability to grow another one.
This only works when a hair is actively growing, which is why you need multiple sessions. At any given time, only a fraction of your hair follicles are in their growth phase. Each session catches a new batch of follicles at the right stage, which is why results build gradually over months.
What Results Look Like
After a full treatment course, most people see around 75% hair reduction at the six-month mark. The hair that does return tends to be finer and lighter, often just soft peach fuzz rather than the coarse, dark hair you started with. Some areas respond better than others. Legs, arms, and backs typically need 6 to 8 sessions spaced 6 to 8 weeks apart. Hormonally influenced areas like the face, underarms, and bikini line often need 10 to 12 sessions at 4- to 6-week intervals.
The results aren’t technically permanent, but they are long-lasting. After completing your initial sessions, most people need a maintenance touch-up only once every 6 to 12 months. Some go even longer between visits. Hormonal changes from pregnancy, menopause, or certain medications can trigger new growth, which may require additional sessions.
The Cost Compared to Other Methods
Laser hair removal costs more upfront than any other hair removal method. Based on 2024 pricing data, a single session runs about $130 for underarms, $241 for a Brazilian, $397 for full legs, and around $739 for a full body treatment. Multiply those numbers by 6 to 8 sessions, and full legs could total $2,400 to $3,200 before maintenance.
That sounds steep until you compare it to the lifetime cost of alternatives. A person who waxes their legs every six weeks spends roughly $400 to $600 per year indefinitely. Over a decade, that’s $4,000 to $6,000, plus the recurring time commitment and ingrown hairs. Shaving is cheaper per month but adds up in razors, shaving cream, and the 10 to 15 minutes it takes every few days for decades. Laser hair removal front-loads the expense but dramatically reduces ongoing costs and time.
Who Gets the Best Results
The ideal candidate has dark hair and lighter skin. That contrast makes it easy for the laser to target the melanin in the hair without affecting the surrounding skin. But advances in laser technology have expanded the range of people who can be treated safely.
People with darker skin tones (sometimes described as Fitzpatrick types IV through VI) face a higher risk of burns or discoloration because the laser can accidentally target melanin in the skin itself. Longer-wavelength lasers solve this problem by penetrating deeper, heating the hair follicle while leaving the skin’s surface relatively cool. If you have darker skin, look for a provider who uses this type of laser and has experience treating your skin tone.
The one group laser hair removal doesn’t work well for is people with very light, gray, red, or white hair. Without enough melanin in the hair shaft, there’s nothing for the laser to lock onto. If your unwanted hair is blonde or gray, you’ll likely need to stick with electrolysis, which destroys follicles one at a time using an electric current rather than light.
What It Feels Like
The sensation is commonly compared to a rubber band snapping against your skin. Pain varies a lot by body area. The upper lip, bikini line, and underarms tend to be the most uncomfortable because the skin is thinner and the hair is denser. Legs and arms are usually more tolerable. The back can be surprisingly painful simply because of the large number of follicles being treated.
Most providers offer a numbing cream applied before the session, and many modern lasers have built-in cooling tips that chill the skin as they fire. Some people skip numbing entirely and find the discomfort manageable. After the session, expect mild redness and irritation similar to a light sunburn, which typically fades within a few hours to a day.
How to Prepare for Sessions
You need to shave the treatment area within 24 hours of your appointment. This sounds counterintuitive, but the laser needs a short hair shaft just below the skin’s surface to work. If the hair is long, it absorbs energy above the skin and can cause burns. If you’ve waxed or plucked recently, there’s no hair root left for the laser to target, so avoid both for at least four weeks before a session.
Sun exposure is the other major concern. Tanned or sunburned skin increases the risk of burns and pigmentation changes. Stay out of the sun and skip self-tanners for at least two weeks before treatment. Wearing SPF 30 or higher daily in the weeks leading up to your appointment, especially for facial treatments, keeps your skin in the safest condition for the laser.
Risks and Downsides
The most common side effects are temporary: redness, mild swelling, and skin irritation that resolves within a day. Less commonly, laser treatment can cause temporary changes in skin pigmentation, either darkening or lightening the treated area. This is more likely in people with darker skin tones or those who were recently tanned.
A rare but real side effect is paradoxical hypertrichosis, where the laser actually stimulates new hair growth in surrounding areas instead of reducing it. This happens in a small percentage of cases and is more common on the face and neck. Burns and blistering can occur if the laser settings are wrong for your skin type or if the provider is inexperienced, which is why choosing a qualified practitioner matters more than finding the lowest price.
When It’s Not Worth It
Laser hair removal may not be the right investment if your unwanted hair is very light or fine, if you can’t commit to the full course of sessions, or if the upfront cost would cause financial strain. It also requires patience. You won’t see dramatic results after one or two visits, and the full process takes 6 to 12 months depending on the area. If you’re looking for immediate results for a specific event, waxing is faster and cheaper in the short term.
For everyone else, particularly people who spend significant time or money on regular hair removal, who deal with razor burn or ingrown hairs, or who simply want to stop thinking about body hair, laser hair removal tends to pay for itself within a few years and saves considerable time and hassle over a lifetime.