There is both immediate and long term benefits.
In the first few minutes... the light can decrease nerve sensitivity by decreasing bradykinin; a pain eliciting chemical.
Next, it releases natural endorphins which is your body’s natural reliever, along with releasing enkephalins which together produce a pain-blocking effect.
1 treatment can stimulate ALL layers from the tissues, muscles, and joints.
The key to positive effects is to help reduce inflammation while stimulating the bodies natural healing process. This is how we can achieve a lasting positive effect. It's one of the few options that does this naturally.