Why Light-Based Beauty Devices Should Be Paused During Pregnancy: What the Science Says and What to Use Instead

Pregnancy brings a lot of changes, and skincare routines often need to change along with them. One of the most common questions is whether light-based beauty devices — including IPL hair removal, fractional lasers, LED masks, and red light therapy — are safe to continue using.

The short answer is: most light-based and energy-based beauty devices are not recommended during pregnancy. This is not because they have been proven harmful, but because the research needed to confirm their safety during pregnancy simply does not exist yet.

Why pregnancy changes the skincare calculus

Before getting into devices specifically, it helps to understand why pregnancy requires more caution in general.

During pregnancy, estrogen and progesterone levels rise significantly, which directly affects the skin. These hormonal shifts can increase melanin production, making the skin more reactive to light and more prone to hyperpigmentation and melasma. The skin can also become more sensitive overall, meaning treatments that would normally be well-tolerated may cause stronger reactions.

This hormonal sensitivity matters for device-based treatments because it raises the likelihood of unwanted side effects like post-treatment dark spots — even with devices that are otherwise safe for most skin types.

Why IPL and laser are not recommended during pregnancy

There are no comprehensive studies confirming that IPL or laser hair removal is safe during pregnancy. The reason those studies don't exist is not an oversight — it's because researchers cannot ethically conduct controlled safety trials on pregnant patients when there is any risk of harm to the fetus.

Because that safety data is absent, most medical professionals and dermatologists take a precautionary approach: recommend pausing these treatments for the full duration of pregnancy.

There are also a few specific concerns worth understanding:

• Thermal effects: IPL and laser devices generate heat in the skin. Some professionals flag the possibility that repeated heat exposure near sensitive areas could pose a risk, particularly in treatments conducted near the abdomen.
• Skin reactivity: Hormonal changes make the skin more likely to react to light energy, which raises the risk of hyperpigmentation or irritation as side effects of treatment.
• No safe trimester identified: There is no trimester during pregnancy that has been identified as a safe window for IPL or laser treatments. Most clinics apply a blanket policy and do not treat during any trimester.

The position of most dermatologists and healthcare providers is clear: elective cosmetic procedures, including laser and light-based hair removal and skin treatments, should be postponed until after delivery.

What about red light therapy and LED masks?

Red light therapy and LED-based devices sit in a slightly different category because they do not generate the same thermal intensity as IPL or fractional lasers. However, the recommendation is still cautious.

Healthcare providers generally advise against red light therapy during pregnancy, not because it has been proven harmful, but because there is insufficient research to confirm it is safe, particularly for high-intensity devices or treatments applied near the abdomen.

This means that even lower-energy light devices should be paused until your OB-GYN has cleared you to resume your usual routine.

MimiSilk devices and pregnancy

This applies to MimiSilk devices as well. All MimiSilk devices — including the Iris 1450nm fractional laser, the Nova 830nm/415nm blemish device, and the IPL Peach Fuzz and Cactus hair removal devices — are contraindicated for use during pregnancy.

These are not devices designed for therapeutic medical treatment. They are elective cosmetic tools, and the universal guidance for elective cosmetic procedures during pregnancy is to wait. The good news is that a pause of nine months does not undo previous results, and returning to your routine after delivery is straightforward once your healthcare provider confirms it is appropriate.

Why the "no proven harm" argument is not enough

It's common to see the logic: "There's no evidence it causes harm, so it should be fine." In most contexts, that reasoning holds. During pregnancy, it doesn't, for one simple reason: the absence of evidence of harm is not the same as evidence of safety.

Pregnancy is a period when researchers take the most conservative approach to anything not yet studied. The bar for using a product or treatment is not "has this been shown to be harmful," but "has this been shown to be safe." For most energy-based cosmetic devices, that standard has not been met.

The safest approach is the one that does not add unknowns to an already complex biological process.

Pregnancy-safe skincare alternatives

Pausing your devices doesn't mean pausing your skincare entirely. There are well-established, pregnancy-safe ingredients and methods that address the most common skin concerns during pregnancy, including acne, sensitivity, dullness, and hyperpigmentation.

For anti-aging and skin texture

• Hyaluronic acid: Deeply hydrating and safe across all trimesters.
• Peptides: A pregnancy-safe collagen-support ingredient that helps with fine lines and firmness without the risks associated with retinoids.
• Niacinamide: Anti-inflammatory, helps with redness and mild pigmentation, and is safe during pregnancy.
• Vitamin C: Brightens skin tone and supports collagen production; considered safe during pregnancy.

For hyperpigmentation and melasma

• Azelaic acid: One of the most recommended ingredients for pregnancy-related pigmentation concerns, including hormonal melasma. It is generally considered safe and effective.
• Low-concentration glycolic acid: Helps with dullness and skin turnover at concentrations below 10%.

For acne

• Azelaic acid: Also effective for acne, making it one of the most versatile pregnancy-safe options.
• Clindamycin and erythromycin (topical, prescription): Considered safe in pregnancy for acne management.
• Benzoyl peroxide (low concentration): Generally considered safe for most pregnant patients.

For hair removal

• Shaving: The most reliably safe option during pregnancy, quick and effective when done with a fresh razor and hydrating shaving cream.
• Waxing: Generally considered safe, but skin may be more sensitive than usual, so testing a small area first is advisable.

Avoid: electrolysis and any device-based hair removal, including IPL, laser, and ultrasound, during pregnancy.

After pregnancy: resuming your routine

Once you have delivered and your healthcare provider has cleared you, returning to your pre-pregnancy skincare and device routine is generally straightforward. For IPL hair removal, the postpartum period is considered a safe and appropriate time to resume treatments.

If you were mid-cycle on a device routine before becoming pregnant, you can simply restart when it is appropriate to do so. Skin may behave a little differently in the early postpartum period due to continued hormonal shifts, so starting gently and at lower settings before working back up to your previous routine is a sensible approach.

Always consult your OB-GYN or a board-certified dermatologist before resuming any energy-based treatments, especially while breastfeeding.

 

Sources

American Pregnancy Association. Laser Hair Removal and Pregnancy. https://americanpregnancy.org/pregnancy/hair-removal-and-pregnancy/

American Academy of Dermatology. Dermatologist-approved pregnancy skin care. https://www.aad.org/public/everyday-care/skin-care-secrets/routine/pregnancy-skin-care

InfantRisk Center. An Overview of the Safety of Skin Care Products During Pregnancy. https://www.infantrisk.com/content/overview-safety-skin-care-products-during-pregnancy

Baylor College of Medicine. Why your skin changes with pregnancy. https://blogs.bcm.edu/2023/08/15/why-your-skin-changes-with-pregnancy/

My Chapter. Navigating Hair Removal Options While Pregnant. https://www.mychapter.com/blog/navigating-hair-removal-options-while-pregnant/