Low level laser therapy (LLLT) is the application of red or infrared coherent and low-energy laser light for the treatment of injuries, wounds, inflammations, as well as acute and chronic pain. Lasers4Horses MKW laser systems are low level laser devices and  are used in both human medicine and veterinary medicine. Suitable laser products are available for both fields of application.

Contrary to high level or surgical lasers (class 4 lasers), these types of laser cannot harm or burn tissue. Rather, they promote the contrary: the regeneration of tissue. 

Low level laser therapy (LLLT), is the most common international term for this form of therapy. The following terms are used synonymously: laser photo therapy, cold laser therapy or photobiological therapy.

Since 1986, manufacturer MKW has been specialized in low-level laser systems for biostimulation. The company is one of the leading providers in Europe. Trendsetting developments, such as the laser shower, the laser comb, the point laser with automatic laser, as well as the multi-acupuncture system, were launched by MKW.


There are almost 4,500 studies about “low level laser therapy” reported at the US National Library of Medicine (National Institute of Health)

There are lots of international literature about low level laser therapy available



  • Tissue regeneration – Laser therapy is employed to speed up and improve the quality of tissue regeneration and boost the tensile strength and elasticity of tissue. 
  • Pain relief – After the promotion of wound healing processes, the treatment of pain is the second major area of application of LLLT. In particular, pain in the musculoskeletal system (e.g. neck pain, tendinopathies, diseases of the knee or knee joint, etc.) are main indications of LLLT. 
  • Inhibition of inflammation – Slowed-down or blocked wound healing processes and many pain conditions are linked with inflammations. LLLT can inhibit them, thus contributing towards wound healing and pain relief. Generally speaking, low-level laser therapy can be applied to inhibit inflammations in all accessible body areas. This includes, in particular, inflammations of the skin and the mucous membrane. 

Special accessories are available for the different indications:

  • Laser pens for specific, point laser therapy in the field of veterinary medicine
  • Laser Showers for laser applications on large areas in the field of veterinary medicine


Similar to the photosynthesis of plants, the effects of LLLT are brought about by photochemical processes in the cells’ mitochondria. When applied properly – i.e., especially in the correct dosage –low level laser light reduces oxidative stress in the tissue while increasing ATP synthesis. The primary effects of the biological stimulation takes place at the cellular level. Here the monochromatic red and infrared beams are absorbed by components of the respiratory chain, which enhances the electrochemical potential of protons, ATP, RNA, and protein synthesis, oxygen consumption, the membrane potential, and the synthesis of NADH.


Today low level laser light is used in many areas of medicine.

Most wide-spread is its application in wound treatment and to relieve pain. Moreover, low-level laser light is employed in dermatology (e.g. eczemas), in aesthetic medicine (e.g. aftercare, surgical procedures), neurology (e.g. carpal tunnel syndrome), otolaryngology (e.g. parotitis), internal medicine (e.g. Raynaud’s phenomenon) and dentistry (e.g. stomatitis).

Today, low level laser therapy (LLLT) makes up a greater percentage of treatment methods in veterinary medicine than it does in human medicine.

The by far greatest number of clinical studies on the effect of low level laser therapy  (LLLT) concerns orthopaedic indications (musculoskeletal diseases) and dentistry.


In complementary medicine, photobiological stimulation as induced by lower-level lasers is used in alternative therapeutic approaches. Laser puncture offers many advantages over classic needle acupuncture. Precise frequency therapy (resonance therapy) is only possible with laser, as laser light can be pulse-modulated. Different effects are ascribed to the different pulse frequencies.