IPL can improve the appearance of stretch marks, but how well it works depends heavily on the type of stretch marks you have. Newer, red or purple stretch marks respond significantly better than older, white or silver ones. Even in the best cases, IPL reduces rather than eliminates stretch marks, making them narrower, flatter, and closer to your natural skin tone.
How IPL Works on Stretch Marks
Intense Pulsed Light devices emit broad-spectrum light that penetrates the skin and heats targeted tissues. In stretch marks, this light energy triggers a process called neocollagenesis, where the body replaces damaged, broken-down elastic fibers with new collagen. Over multiple sessions, this fresh collagen fills in the thinned, scarred tissue that makes stretch marks visible, gradually improving their width, texture, and color.
The light also targets hemoglobin in blood vessels, which is why IPL is particularly effective on red or purple stretch marks (called striae rubra). These newer marks are rich in small blood vessels that absorb the light energy efficiently. Older white or silver stretch marks (striae alba) have lost most of that vascularity, giving IPL less to work with.
Red vs. White Stretch Marks: A Major Difference
A head-to-head study published in the Journal of Cosmetic Dermatology compared IPL and pulsed dye laser on both types of stretch marks. Red stretch marks showed a clearly superior response with either device, measured by improvements in width, color, and texture. White stretch marks improved less on all three measures. This pattern holds consistently across the research: if your stretch marks are still pink, red, or purple, you have a much better chance of meaningful improvement with IPL. Once they’ve faded to white or silver, the treatment becomes less predictable.
This doesn’t mean IPL does nothing for older marks. Some patients see modest improvements in texture and width. But if you’re weighing whether IPL is worth the investment, the color of your stretch marks is the single biggest factor in how satisfied you’re likely to be.
What a Treatment Course Looks Like
Most protocols involve three to five sessions spaced about four weeks apart. One clinical study used weekly sessions for five consecutive weeks and reported significant improvement. Your provider will adjust the schedule based on your skin’s response and the severity of the marks.
During the procedure, most people describe the sensation as a quick snapping or stinging feeling, similar to a rubber band against the skin. Afterward, the treated area typically looks pink or red for four to eight hours, with a mild sunburn-like sting that fades within the same timeframe. Mild swelling can last a few days. There’s no real downtime: you can return to normal activities the same day, though you’ll want to skip makeup and lotions on the area for at least 24 hours and keep the skin well-moisturized throughout the treatment course.
IPL Combined With Other Treatments
Some clinics now pair IPL with fractional laser treatments to get better results than either approach alone. In one protocol, IPL was immediately followed by a fractional erbium laser at four-week intervals for three total sessions. The idea is that IPL addresses the vascular component (redness and blood vessels) while the fractional laser creates controlled micro-injuries that stimulate deeper collagen remodeling and texture improvement. If your provider recommends a combination approach, this is the rationale behind it.
Skin Tone and Safety Concerns
IPL carries real risks for people with medium to dark skin tones. The device works by targeting color in the skin, and in darker complexions (Fitzpatrick skin types IV through VI), the melanin in the outer skin layer competes with the intended target for light absorption. This can cause burns, blisters, and pigment changes.
The numbers are sobering. In one controlled trial, 60% of patients developed hyperpigmentation (dark spots), 20% developed blisters, and 20% experienced hypopigmentation (light spots). Darker skin and higher energy settings were both strongly correlated with more severe side effects. A larger study of over 2,500 women found that darker-skinned patients experienced significantly higher rates of pigmentary changes and burns compared to lighter skin types.
IPL is generally recommended only for people with lighter skin tones (Fitzpatrick types I through III). If you have a medium to dark complexion, other options like long-pulsed Nd:YAG lasers are considered safer because they use a wavelength that penetrates deeper and interacts less with surface melanin. Recent tanning also increases risk, so even lighter-skinned patients should avoid sun exposure before treatment.
Cost and What to Expect
Individual IPL sessions typically cost between $300 and $600, with some providers charging up to $700 or more depending on the size of the treatment area and geographic location. A full course of three to five sessions runs roughly $900 to $3,000 out of pocket. Stretch mark treatment is cosmetic, so insurance won’t cover it.
Results are gradual. You won’t see dramatic changes after a single session. Most patients notice progressive improvement over the full treatment course, with continued collagen remodeling for weeks after the final session. It’s also worth setting realistic expectations: IPL can meaningfully reduce the visibility of stretch marks, particularly newer ones, but it won’t make them disappear entirely. For many people, the goal is to make stretch marks blend more naturally with surrounding skin rather than to achieve complete removal.
How IPL Compares to Other Options
IPL isn’t the only light-based option for stretch marks. Pulsed dye lasers target redness in a similar way and perform comparably on red stretch marks. Fractional lasers (both ablative and non-ablative) take a different approach, creating microscopic columns of damage that force the skin to rebuild with new collagen. These tend to be more effective for texture improvement and may work better on white stretch marks, though they also come with more downtime.
Microneedling and radiofrequency microneedling are other popular alternatives that stimulate collagen through controlled skin injury. These options are generally safer across a wider range of skin tones since they don’t rely on light absorption. For people with darker skin who want to address stretch marks, these approaches are worth discussing with a dermatologist as alternatives to IPL.