Finding Red Light Therapy for Kids

Last updated November 12, 2026

If you're looking for light therapy for your child, start with the problem you want treated. A child whose eyesight is getting worse needs a different appointment from a teenager with acne. For a child receiving cancer treatment, the oncology team can explain whether light therapy has a role in preventing mouth sores.

Where to start for your child's condition

What condition are you actually trying to treat?

For children having a stem cell transplant, or radiotherapy for head and neck carcinoma, a pediatric guideline recommends specific intraoral red-light protocols to help prevent oral mucositis. Ask the care team whether the recommendation applies to your child's treatment plan. If mouth sores or pain have already started, tell the team so it can assess and manage them. (1, 7)

Why a child's age and the device label matter

Why kids aren't just small adults — and why that changes everything

FDA guidance on pediatric medical devices calls for the label to identify the intended patient group and what the device is meant to treat. For light therapy, also check where the device is designed to be used, how it fits and whether the instructions call for eye protection or adult supervision. (8)

One study found thinner outer skin layers in infants than in adults. How much light reaches a treatment site also depends on the source and how it is used. An assessment of eye safety considers the wavelength, optical output, position of the light source and duration of exposure. (9, 10, 11)

What eye studies tell us about red light for myopia

Red light for myopia: a clinical treatment, not a home gadget

Repeated low-level red-light therapy, or RLRL, uses purpose-built ophthalmic instruments to deliver light to the eyes. One randomized trial enrolled 264 children ages 8–13. Children assigned to light therapy used the study instrument at home under parental supervision and returned for eye exams. Myopia progressed more slowly in the light therapy group over 12 months. A 2025 Cochrane review judged the short-term evidence very uncertain. A 2026 meta-analysis found signs of slower progression within 12 months and emphasized the limited evidence on longer use. (12, 3, 4)

Retinal scans can pick up changes a child may never notice. In a 2025 myopia-prevention study, scans found temporary retinal changes in three of the 43 children assigned to red light. The children reported no visual symptoms, and the changes resolved after treatment stopped. A separate case report described a 12-year-old with prolonged afterimages, reduced vision and retinal changes after five months of repeated red-laser exposure. (13, 14)

When calling an eye clinic, ask whether it manages childhood myopia and how it measures progression. If the clinician discusses RLRL, ask about the exact instrument, its regulatory status where you live and what eye exams or imaging are included in follow-up. (12, 13, 15)

Where home use fits for acne, eczema and sleep

Teen acne

A 2025 review of six at-home LED trials included 216 people ages 12–50 with mild to moderate acne. The devices tested reduced acne lesions in the pooled analysis. A few participants reported mild dryness, redness or discomfort. The studies used different devices and treatment schedules, and the pooled findings give limited insight into how teenagers respond on their own. The American Academy of Dermatology's 2024 acne guideline found the evidence available at the time insufficient to recommend light-based devices. If a dermatologist suggests a home device, check the label for the intended age and acne treatment mode. (2, 16, 8)

Eczema

A dermatologist may recommend ultraviolet phototherapy if childhood eczema is widespread or persists despite topical treatment. The 2026 American Academy of Dermatology pediatric guideline supports office-based phototherapy in selected cases. Ask the clinician which type of UV treatment they use and what follow-up is needed. (5, 6)

Sleep

A small sham-controlled near-infrared sleep study enrolled adults and tested a wearable device. Research of that kind leaves open whether a home therapy panel helps children sleep. If sleep problems persist, a pediatrician can review your child's symptoms and help identify what is disrupting their sleep. (17, 18)

What to ask before booking a visit or buying a device

A repeatable method for finding the right pathway

1. Find a clinician who treats the condition in children. Ask if the clinic regularly treats your child's age group. The American Association for Pediatric Ophthalmology and Strabismus has a directory for eye care, and the American Academy of Dermatology explains how to find a board-certified dermatologist. (19, 20)
2. Ask what the clinic would use and how it would follow up. Find out what the treatment aims to change, whether it was studied in children of a similar age and what the clinician checks at follow-up. If the plan includes a home device, get the current instructions for that model. (8, 12, 2)
3. Check the device's regulatory record and label. In the U.S., use the FDA database to verify any claimed clearance or approval for the model and indication. Establishment registration and device listing are administrative records. For a CE-marked product, ask for the EU Declaration of Conformity and check which requirements it covers. (15, 21)

For clinic purchasing, request the optical and thermal test reports for the exact model and operating mode. A skin-treatment irradiance figure should state where it was measured and at what working distance. IEC 62471 addresses optical hazards from sources such as LEDs, and IEC 60601-2-57 and IEC 60601-2-83 cover particular categories of non-laser light therapy equipment. ISO 13485 covers a manufacturer's quality management system. Ask which standards apply to the product's intended use. (11, 22, 23, 24, 25)

Key Takeaways

Start with the specialist who treats your child's condition. If light therapy comes up, ask which device was studied for that use, whether its label covers your child's age, and how the clinician will monitor the response.

Frequently Asked Questions

Is it okay for kids to use red light therapy?

It depends on the condition, the device and how care is supervised. For example, pediatric oncology teams use specific intraoral light protocols to help prevent mucositis during some cancer or transplant treatments. The decision about a home device depends on the evidence and labeling for your child's age and diagnosis. (1, 8)

At what age can a child start red light therapy?

Starting ages vary by condition and device. A clinic can explain which ages its protocol covers. For a home device, look for the age range in the current instructions for that model. (8)

Can a 13-year-old use a red light therapy mask?

Check the mask's age range and which mode is labeled for the skin concern. For example, FDA record K262752 lists adolescents and adults for the named mask models and identifies blue and combined-light modes for mild to moderate inflammatory acne. The red-only mode in that record is labeled for wrinkles. If acne is the reason for considering a mask, a dermatologist can help assess whether that model and indication fit your teen. (26, 16)

What are the downsides of red light therapy for kids?

Skin dryness, redness and discomfort have been reported in acne LED studies. Treatments that direct light into the eyes have a separate set of risks, including retinal changes that can require imaging to detect. Ask the clinician what side effects to watch for and how to reach the clinic if they occur. (2, 13, 14)

References

1. Patel P, Robinson PD, Baggott C, et al. Clinical practice guideline for the prevention of oral and oropharyngeal mucositis in pediatric cancer and hematopoietic stem cell transplant patients: 2021 update. European Journal of Cancer. 2021.
2. Ershadi S, Barbieri JS. At-Home LED Devices for the Treatment of Acne Vulgaris: A Systematic Review and Meta-Analysis. JAMA Dermatology. 2025.
3. Lawrenson JG, Huntjens B, Virgili G, et al. Interventions for myopia control in children: a living systematic review and network meta-analysis. Cochrane Database of Systematic Reviews. 2025.
4. Wu H, Yang X, Zhou Y, et al. Efficacy and safety of repeated low-level red light therapy in myopia control: an updated and comprehensive systematic review and meta-analysis. BMC Ophthalmology. 2026.
5. Davis DMR, Alikhan A, Bercovitch L, et al. Guidelines of care for the management of atopic dermatitis in pediatric patients. Journal of the American Academy of Dermatology. 2026.
6. American Academy of Dermatology. Eczema treatment: Phototherapy.
7. National Cancer Institute. Mouth and Throat Problems and Cancer Treatment.
8. U.S. Food and Drug Administration. Premarket Assessment of Pediatric Medical Devices. 2014.
9. Stamatas GN, Nikolovski J, Luedtke MA, et al. Infant Skin Microstructure Assessed In Vivo Differs from Adult Skin in Organization and at the Cellular Level. Pediatric Dermatology. 2010.
10. International Commission on Non-Ionizing Radiation Protection. Guidelines on Limits of Exposure to Incoherent Visible and Infrared Radiation. Health Physics. 2013.
11. Hadis MA, Zainal SA, Holder MJ, et al. The dark art of light measurement: accurate radiometry for low-level light therapy. Lasers in Medical Science. 2016.
12. Jiang Y, Zhu Z, Tan X, et al. Effect of Repeated Low-Level Red-Light Therapy for Myopia Control in Children: A Multicenter Randomized Controlled Trial. Ophthalmology. 2022.
13. Zhang Z, Hu D, Xu W, et al. Structural OCT Changes Following Repeated Low-Level Red-Light Therapy for Myopia Prevention. JAMA Ophthalmology. 2025.
14. Liu H, Yang Y, Guo J, et al. Retinal Damage After Repeated Low-level Red-Light Laser Exposure. JAMA Ophthalmology. 2023. Case report.
15. U.S. Food and Drug Administration. Medical device registration, listing, clearance, and approval.
16. American Academy of Dermatology. Updated guidelines for acne management. 2024.
17. Kennedy KER, Wills CCA, Holt C, Grandner MA. A randomized, sham-controlled trial of a novel near-infrared phototherapy device on sleep and daytime function. Journal of Clinical Sleep Medicine. 2023.
18. American Academy of Pediatrics. Sleep and Health: Why Rest Matters for Your Child and Your Family. HealthyChildren.org.
19. American Association for Pediatric Ophthalmology and Strabismus. Find a Doctor.
20. American Academy of Dermatology. How to select a dermatologist.
21. European Commission. CE marking responsibilities for manufacturers.
22. International Electrotechnical Commission. IEC 62471:2006, photobiological safety of lamps and lamp systems.
23. International Electrotechnical Commission. IEC 60601-2-57:2023, non-laser light source equipment.
24. International Electrotechnical Commission. IEC 60601-2-83:2019+AMD1:2022, home light therapy equipment.
25. International Organization for Standardization. ISO 13485:2016, medical device quality management systems.
26. U.S. Food and Drug Administration. 510(k) decision and indications for use, Facial Therapy Mask, K262752. 2026.