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Red Light Therapy for hair and skin: Complete guide to benefits, side effects and who should be cautious

Updated on: Mar 30, 2025, 18:21:44 IST
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Red light therapy is a non-invasive treatment. (Representative picture: Pexels)
Red light therapy is a non-invasive treatment. (Representative picture: Pexels)

Red Light Therapy is one of the professional treatments to treat common skin and hair issues. Here's everything you need to know. 

Red light therapy is one of the professional treatments that you go for to treat common skin and hair problems after a personal dermat consultation. This is one of the non-invasive treatments. While typically it's safe, if you are considering this, it's still important to understand how it works, the benefits, side effects and who should be cautious before trying it.

In an interview with HT Lifestyle, Dr Gagan Raina, Aesthetic Physician, Laser Expert, and Clinical Director at ARISIA Aesthetic Clinic in Mumbai, shared a comprehensive guide on what Red Light Therapy does, its benefits, and, most importantly, any potential risks involved.

Introducing Red Light Therapy, Dr Raina explained, “Red light therapy, also known as low-level laser therapy, is a non-invasive treatment that utilizes wavelengths ranging from 630nm to 700nm. These wavelengths penetrate deep into the skin, stimulating cellular activity, enhancing tissue repair, and promoting overall skin and hair health. It has become a widely sought-after therapy for addressing various concerns, from signs of aging to inflammation and hair thinning. This therapy is often integrated into advanced skincare and hair treatments, including hydrafacials, microneedling, and procedures targeting acne, pigmentation, and collagen stimulation.”

ALSO READ: Adult acne: Dermat explains what causes breakouts in 20s and 30s, shares tips for skincare routine and lifestyle changes

Benefits of Red Light Therapy

Red light therapy helps to calm down inflammation, treating sensitive, acne-prone skin. (Shutterstock)
Red light therapy helps to calm down inflammation, treating sensitive, acne-prone skin. (Shutterstock)

Dr Raina listed out the benefits of Red Light Therapy:

  • Improves skin elasticity.
  • Reduce fine lines, wrinkles and age spots.
  • Promote collagen production for a youthful appearance.
  • Calms inflammation, making it beneficial for conditions like acne, rosacea, and sensitive skin.
  • Aids in scar healing and pigmentation correction by accelerating skin regeneration.
  • For hair health, it stimulates follicles, boosts circulation to the scalp, and helps in cases of hair thinning.

ALSO READ: Struggling with heat damaged hair? Dermat shares how to protect it from sun and styling tools

Is Red Light Therapy safe?

Dr Raina assured that it's generally safe, but it's important to keep some mild after effects and precautionary methods in mind. He shared these:

  • Mild redness or irritation can occasionally occur, particularly in individuals with sensitive skin.
  • Direct exposure to the eyes can be uncomfortable, so protective measures are advised.
  • Excessive use does not necessarily yield better results and should be approached with guidance from a professional.

Who should be careful?

Some groups of people are more vulnerable, making it necessary for them to exercise caution.

Dr Raina explained, “Certain individuals should exercise caution before undergoing red light therapy. Pregnant individuals are advised to consult a medical professional due to limited research on its effects during pregnancy. Those with photosensitivity, whether due to an underlying condition or medications that increase light sensitivity, should also seek expert advice. Additionally, individuals with a history of skin cancer should consult a dermatologist before incorporating light-based treatments into their routine.”

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

  • Adrija Dey
    ABOUT THE AUTHOR
    Adrija Dey

    Adrija Dey’s proclivity for observation fuels her storytelling instinct. As a lifestyle journalist, she crafts compelling, relatable narratives across diverse touchpoints of the human experience, including wellness, mental health, relationships, interior design, home decor, food, travel, and fashion that gently nudge readers toward living a little better. For her, stories exist in flesh and bones, carried by human vessels and shaped through everyday endeavours. It is the small stories we live and share that make us human. After all, humans and their lores are the most natural and raw repositories of stories, and uncovering them, for her, is akin to peeling an orange under a winter afternoon sun. Always up for a chat, she believes the best stories come from unfiltered yapping, where "too much information" is kind of the point. A graduate of Indraprastha College for Women, University of Delhi, and an alumna of the Indian Institute of Mass Communication (IIMC), Delhi, Adrija spends her idle hours cocooned with herbal tea and a gripping thriller, scribbling inner monologues she loosely calls poetic pieces, often with her succulents in attendance. On lazier days, she can be found binge-watching, for the nth time, one from her comfort-show holy trinity: The Office (US), Brooklyn Nine-Nine, or Modern Family. Dancing by herself to her peppy playlists, however, is an everyday ritual she swears by religiously.Read More

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