Provided Studies Regarding How Led Therapy Works for You From PubMed.Org:

Adjunctive 830 nm light-emitting diode therapy can improve the results following aesthetic procedures.

https://www.ncbi.nlm.nih.gov/pubmed/26877592

Effect of NASA light-emitting diode irradiation on wound healing.

https://www.ncbi.nlm.nih.gov/pubmed/11776448

Is light-emitting diode phototherapy (LED-LLLT) really effective?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3799034/