Red Light Therapy: What it Does to Your Body (and why people are obsessed)
Red light therapy has quietly become one of the most talked-about wellness treatments- and for good reason. It’s non-invasive, relaxing, and backed by growing research showing benefits for skin, pain, recovery, and even mood.
But what’s actually happening in your body during a session? Let’s break it down in simple, real terms.
What is Red Light Therapy?
Red Light Therapy (RLT) also called photobiomodulation uses specific wavelengths of red and near-infrared light to penetrate the skin and stimulate your cells.
Unlike UV rays from the sun, this light is safe, non-damaging, and therapeutic.
A Whole Health, this is often experienced through devices like our full-body panel or targeted facial lamps that allow light to reach deep into tissues - not just the surface.
What Happens in Your Body During a Session?
Your Cells Get an Energy Boost > Think of RLT like charging your body at a cellular level. The light penetrates your skin and is absorbed by your mitochondria (your cell’s “power plants”), helping them produce more ATP (energy)
What this means for you:
Cells function more efficiently
Healing processes speed up
Tissues repair more effectively
Inflammation Begins to Decrease > Chronic inflammation is behind so many common concerns - pain, aging skin, fatigue, even brain fog. RLT helps calm inflammatory pathways in the body.
What you may notice:
Reduced joint or muscle pain
Less swelling
Faster recovery after workouts or treatments
Circulation Improves > During your session, blood flow increases to the treated areas. This brings more oxygen and nutrients to your tissues while helping remove waste products.
Result:
Improved healing
Healthier, more radiant skin
That subtle “glow” people often notice after
Collagen Production is Stimulated > This is where RLT becomes a favourite in skin treatments. Fibroblast cells are stimulated to produce more collagen and elastin - the building blocks of firm, youthful skin.
Overtime, this can lead to:
Smoother texture
Reduced fine lines
Improved skin tone and elasticity
Your Nervous System Starts to Relax > Many people don’t expect this- but it’s one of the most powerful effects.
As your body absorbs the light, your nervous system often shifts into a more parasympathetic (rest-and-repair) state.
You may feel:
Deep relaxation
A sense of calm
Reduced stress or tension
What Does a Session Feel Like? > Clients often describe it as:
A gentle, soothing warmth (not hot or uncomfortable)
Quiet, still, and calming
Almost meditative
There’s no pain, no downtime, and no recovery needed. You simply lie back and let your body do the work.
Benefits You May Experience (with Consistency)
RLT isn’t a one-and-done it works best cumulatively.
With regular sessions, many people may report:
Brighter, healthier skin
Reduced fine lines and wrinkles
Less muscle and joint pain
Faster recovery from workouts or treatments
Improved sleep and relaxation
Enhanced overall wellness
Who is it For? > RLT is incredibly versatile. It can benefit:
Anyone focused on skin health or aging gracefully
Those dealing with chronic pain or inflammation
Athletes or active individuals looking to recover faster
Anyone feeling stressed, fatigued, or run down
The Bottom Line
RLT works by supporting your body - not forcing it.
It enhances what your body already knows how to do:
Heal, repair & regenerate
And sometimes, the most powerful treatments are the ones that feel the simplest. It’s one of those treatments that truly meets you where you are - whether your goal is skin, recovery, or simply taking a moment to reset.
Pro tip: try using our Kala Red Light after your next massage, chiro, reflexology or facial at Whole Health!