{"id":22550,"date":"2025-04-24T08:00:00","date_gmt":"2025-04-24T13:00:00","guid":{"rendered":"https:\/\/naturalwomanhood.org\/?p=22550"},"modified":"2025-05-24T20:07:31","modified_gmt":"2025-05-25T01:07:31","slug":"therapie-par-la-lumiere-rouge","status":"publish","type":"post","link":"https:\/\/naturalwomanhood.org\/fr\/red-light-therapy\/","title":{"rendered":"La th\u00e9rapie par la lumi\u00e8re rouge vaut-elle tout le battage m\u00e9diatique d'Instagram ?"},"content":{"rendered":"\n

Several months back as I perused Instagram, I saw a post with a picture of a woman sitting next to a panel of glowing red lights. \u201cLooks hokey,\u201d was my initial reaction, and I scrolled on by. But I saw a similar post a week or so later, and then a few weeks after that, a Facebook friend with a new baby posted about using red light therapy as part of her postpartum recovery<\/a>. Maybe you, like me, have come across red light therapy on social media and are curious what it\u2019s all about. Most importantly, you may wonder, does it actually live up to the hype? <\/p>\n\n\n\n

What is red light therapy?<\/span><\/h2>\n\n\n\n

Red light therapy, near-infrared light therapy, low-level laser therapy, and photobiomodulation are all terms referring to the same general principle. Certain wavelengths of light are known to penetrate the body, impacting it at the cellular level. <\/p>\n\n\n\n

I\u2019m willing to bet that if there\u2019s one thing you remember from grade school or high school biology class, it\u2019s that the \u201cmitochondria is the powerhouse of the cell.\u201d Our mitochondria \u201cpower plants\u201d produce adenosine triphosphate or ATP, or energy. Red light and near-infrared light boost the mitochondria\u2019s work of energy production, leading to decreased inflammation, increased new blood vessel production, and reduced oxidative stress. <\/p>\n\n\n\n

Red light vs. near-infrared light<\/span><\/h3>\n\n\n\n

Red light therapy generally refers to<\/a> the 600-700 nanometer range on the color spectrum. Infrared light therapy may be near- (700-1400 nm), mid-(1400-3000 nm) or far (3000+nm). The vast majority of red light therapy devices you see, whether advertised for home use or in a professional setting (like at a chiropractor, naturopath, or even a dermatologist office) utilize red light or near-infrared light wavelengths. <\/p>\n\n\n\n

The wavelength (measured in nanometers) matters because the higher the wavelength, the deeper the light penetrates into the body. Red light penetrates<\/a> the skin (dermis) and subdermis and down into the subcutaneous (fat) layer. Near-infrared light reaches <\/a>further down, into the muscle [1]. A general principle is to use red light, which doesn\u2019t penetrate as far, for superficial or surface-level conditions (think acne or skin lesions<\/a>), and near-infrared light for deeper or invisible conditions (think arthritic or chronic pain conditions<\/a>). <\/p>\n\n\n\n

LEDs or lasers<\/span><\/h3>\n\n\n\n

Either kind of light therapy may be delivered<\/a> via light emitting diodes (LED) lights or low level laser therapy [2]. Home devices, which may include wands (which may have postpartum uses<\/a>!), face masks, wraps, lamps or light panels of varying sizes and portability, are most likely to be LED lights. Professional settings may offer lasers and\/or red light beds that look similar to tanning beds. <\/p>\n\n\n\n

What can red light therapy treat? <\/span><\/h2>\n\n\n\n

One reason I initially assumed red light (or near-infrared) therapy was all hype and no help was because I saw it touted for a broad range of applications, from chronic pain<\/a> to anti-aging<\/a> skin rejuvenation, from thyroid<\/a> problems to male fertility<\/a>, and from traumatic brain injury<\/a> to seasonal affective disorder<\/a> [3][4][5][6][7][8]. It reminded me of the magic tricks that begin with \u2018Pick a card, any card\u2026\u2019 How could one treatment modality possibly help all<\/em> those things? And yet, when you Google \u2018pubmed red light therapy ____\u2019 for each of those conditions (and more), research study results do come up. And those results are generally positive. <\/p>\n\n\n\n

Turns out that when you help your cells\u2019 mitochondria work smarter, not harder, you experience reduced inflammation and faster injury, wound, or other tissue healing. And those effects happen to impact many, many modern health conditions.\u00a0Of note, the most solid research stands behind the effectiveness of red light therapy specifically for dermatological (skin) conditions such as fine lines and wrinkles<\/a>, depression<\/a>, muscle healing (such as from sports injuries),and the prevention or healing of nearsightedness<\/a> [9][10][11][12].<\/p>\n\n\n\n

Should you try in-office or at-home red light therapy?<\/span><\/h2>\n\n\n\n

Keep in mind that while there are hundreds, even thousands, of studies on red light therapy for a plethora of conditions, there is scant evidence on the use of at-home devices, like the current social media darling: the handheld LUMEBOX<\/a> red light device. While red light therapy is considered very safe whether used at home (do wear eye protection, though!) or in a professional setting, it’s possible that home use will lead to less effectiveness<\/a> than what clinical trials have found. <\/p>\n\n\n\n

How much and how often?<\/span><\/h2>\n\n\n\n

The next logical questions are, is red light or near-infrared light better for you, and how often should you use it? Whether red vs. near-infrared light therapy would make more sense for your particular problem is worth exploring via a PubMed search on, for example, \u2018red light therapy for acne.\u2019 (PubMed is a free search engine of medical research maintained by the National Institutes of Health.) <\/p>\n\n\n\n

Whatever the condition you\u2019re seeking resolution for or relief from, at-home red light therapy sessions generally last for 5 to 20 minutes, once or twice a day. In-office therapies may be recommended several times a week for one to several months, depending on the issue(s) you\u2019re treating. <\/p>\n\n\n\n

How much does red light therapy cost? <\/span><\/h2>\n\n\n\n

LUMEBOX, the most popular at-home red light therapy brand, retails<\/a> for $629. A stand (so you don\u2019t have to hold it the entire time you\u2019re using it) retails for $59. From time to time, the company runs 50% off sales (think Black Friday). That\u2019s quite a steep price tag for many, and yet it may be more economical than in-office red light therapy, which may run<\/a> $25 to $150 per session (depending on the issues you\u2019re treating). Again, however, you should keep in mind the potential tradeoff of effectiveness for at-home vs. professional red light therapy. <\/p>\n\n\n\n

If you decide to go the at-home route<\/span><\/h2>\n\n\n\n

If you decide to buy a red light therapy device for at-home use, ensure that it\u2019s UL listed and FDA-approved, and has been tested by a third party (not just the manufacturer). Consider buying a device that offers red and <\/em>near-infrared options for the broadest application of treatment options. Try it at different times of day to see how your body responds, as some people feel energized afterwards while others feel relaxed and tired. <\/p>\n\n\n\n

What did people do before red light therapy was an option? <\/span><\/h2>\n\n\n\n

Let\u2019s not forget that long before red light and near-infrared-emitting LED bulbs and devices, people got their light exposure from\u2026the sun. Yes. The same light wavelength frequencies associated with so many health benefits are available from regular sunlight exposure, which is free and available for many hours each day, in most places in the world. If you\u2019re not ready to splurge for a red light mask or other device, consider going outside every day for your daily dose of light exposure (and be sure to use and apply sun protection when appropriate). Bonus points if you take a walk while getting your sun on, adding cardiovascular toning to the other health benefits you\u2019re accumulating. <\/p>\n\n\n\n

References:<\/span><\/h4>\n\n\n\n[1] Barolet D. Near-Infrared Light and Skin: Why Intensity Matters. Curr Probl Dermatol. 2021;55:374-384. doi: 10.1159\/000517645. Epub 2021 Oct 25. PMID: 34698043.<\/p>\n\n\n\n[2] Heiskanen V, Hamblin MR. Photobiomodulation: lasers vs. light emitting diodes? Photochem Photobiol Sci. 2018 Aug 8;17(8):1003-1017. doi: 10.1039\/c8pp90049c. Erratum in: Photochem Photobiol Sci. 2018 Oct 31;18(1):259-259. doi: 10.1039\/c8pp90049c. PMID: 30044464; PMCID: PMC6091542.<\/p>\n\n\n\n[3] Cheng K, Martin LF, Slepian MJ, Patwardhan AM, Ibrahim MM. Mechanisms and Pathways of Pain Photobiomodulation: A Narrative Review. J Pain. 2021 Jul;22(7):763-777. doi: 10.1016\/j.jpain.2021.02.005. Epub 2021 Feb 23. PMID: 33636371; PMCID: PMC8277709.<\/p>\n\n\n\n[4]Glass GE. Photobiomodulation: The Clinical Applications of Low-Level Light Therapy. Aesthet Surg J. 2021 May 18;41(6):723-738. doi: 10.1093\/asj\/sjab025. Erratum in: Aesthet Surg J. 2022 Apr 12;42(5):566. doi: 10.1093\/asj\/sjab396. PMID: 33471046.<\/p>\n\n\n\n[5] H\u00f6fling DB, Chavantes MC, Juliano AG, et al. Low-level laser in the treatment of patients with hypothyroidism induced by chronic autoimmune thyroiditis: a randomized, placebo-controlled clinical trial. Lasers Med Sci. 2013 May;28(3):743-53. doi: 10.1007\/s10103-012-1129-9. Epub 2012 Jun 21. PMID: 22718472.<\/p>\n\n\n\n[6] Preece D, Chow KW, Gomez-Godinez V, et al. Red light improves spermatozoa motility and does not induce oxidative DNA damage. Sci Rep. 2017 Apr 20;7:46480. doi: 10.1038\/srep46480. PMID: 28425485; PMCID: PMC5397839.<\/p>\n\n\n\n[7] Naeser MA, Martin PI, Ho MD, et al. Transcranial, Red\/Near-Infrared Light-Emitting Diode Therapy to Improve Cognition in Chronic Traumatic Brain Injury. Photomed Laser Surg. 2016 Dec;34(12):610-626. doi: 10.1089\/pho.2015.4037. PMID: 28001756.<\/p>\n\n\n\n[8] Gim\u00e9nez MC, Luxwolda M, Van Stipriaan EG, et al. Effects of Near-Infrared Light on Well-Being and Health in Human Subjects with Mild Sleep-Related Complaints: A Double-Blind, Randomized, Placebo-Controlled Study. Biology (Basel). 2022 Dec 29;12(1):60. doi: 10.3390\/biology12010060. PMID: 36671752; PMCID: PMC9855677.<\/p>\n\n\n\n[9] Glass GE. Photobiomodulation: The Clinical Applications of Low-Level Light Therapy. Aesthet Surg J. 2021 May 18;41(6):723-738. doi: 10.1093\/asj\/sjab025. Erratum in: Aesthet Surg J. 2022 Apr 12;42(5):566. doi: 10.1093\/asj\/sjab396. PMID: 33471046.<\/p>\n\n\n\n[10] Wunsch A, Matuschka K. A controlled trial to determine the efficacy of red and near-infrared light treatment in patient satisfaction, reduction of fine lines, wrinkles, skin roughness, and intradermal collagen density increase. Photomed Laser Surg. 2014 Feb;32(2):93-100. doi: 10.1089\/pho.2013.3616. Epub 2013 Nov 28. PMID: 24286286; PMCID: PMC3926176.<\/p>\n\n\n\n[11] Ji Q, Yan S, Ding J, Zeng X, Liu Z, Zhou T, Wu Z, Wei W, Li H, Liu S, Ai S. Photobiomodulation improves depression symptoms: a systematic review and meta-analysis of randomized controlled trials. Front Psychiatry. 2024 Jan 31;14:1267415. doi: 10.3389\/fpsyt.2023.1267415. PMID: 38356614; PMCID: PMC10866010.<\/p>\n\n\n\n[12] Morgan RM, Wheeler TD, Poolman MA, Haugen ENJ, LeMire SD, Fitzgerald JS. Effects of Photobiomodulation on Pain and Return to Play of Injured Athletes: A Systematic Review and Meta-analysis. J Strength Cond Res. 2024 Jun 1;38(6):e310-e319. doi: 10.1519\/JSC.0000000000004752. PMID: 38781474.<\/p>\n\n\n\n[13] Chang DJ, P L S, Jeong J, Saw SM, Sevdalis N, Najjar RP. Light Therapy for Myopia Prevention and Control: A Systematic Review on Effectiveness, Safety, and Implementation. Transl Vis Sci Technol. 2024 Aug 1;13(8):31. doi: 10.1167\/tvst.13.8.31. PMID: 39167378; PMCID: PMC11343011.<\/p>\n\n\n\n

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