Frequently Asked Questions

At Arcturus Star, we are dedicated to pioneering innovative solutions that promote holistic well-being and optimal health. Whether you’re a newcomer curious about our technology or a seasoned user seeking clarification, our FAQ page is designed to address common questions and provide comprehensive information to empower you on your journey towards improved vitality and vitality.

Machines & Accessories

The Lymphstar Essence is our home user’s model. The intensity is a step down from our Pro and Pro Fusion models, but will produce similar results.

We recommend the ARIA Elite system to doctors and practitioners that have a high demand for treatment. Although, any of our machines would be a great addition to your clinic.

Estheticians can use any of our machines. However, if you’ve never used our machines, we recommend starting with a Lymphstar Essence for use with bulbs only, or the Lymphstar Pro Fusion for use with bulbs and P.H.I.T. Heads. Many estheticians love the flat bulb for facial use and the acupoint bulb for acupressure points. Estheticians also prefer the Infrared Laser over any of the other P.H.I.T heads.
Additionally, estheticians enjoy some of our smaller machines such as the Trek Portable Light Therapy and the Blue Radiance. These machines are perfect for working in facial serums and creams.

This depends on the level of usage. Machines used regularly should last up to 10 years. Machines used extensively, especially in practices, will need regular maintenance to achieve the 10 year mark.

Yes, there is additional power being run through this machine. However, if you are a practitioner or frequently receive treatments, the effects may not be as obvious to you.

P.H.I.T. Heads can be used with the Lymphstar Pro Fusion or the ARIA Elite machines.

Absolutely! Give our office a call at (970)564-5811, and we will process your order.

Due to the handmade nature of our bulbs, there may be differences in size, shape, color, and brightness. Please see the LET Therapy Head User’s Guide for more information.

LET Training & Certification

We offer online classes and an online test, as well as in-person training. Online certificates will be mailed out upon passing the test. In-person certificates are awarded at the end of the training.

We have trainers all over the U.S. Check out our in-person training page to find a class near you!

Call or email us for information on becoming a trainer. You must be LET Certified and own one of our machines.


Our company does not personally offer financing options. However, we have an agreement with BSM Financial. PayPal also offers financing options. Click here to learn more.


We ask that you allow up to two weeks for manufacturing. When we have backstock, machines generally ship out within five business days. Once shipped, you should receive your package in less than one week. Shipping times vary based on your location.

We are happy to expedite shipping if you’re happy to pay for it.


Yes, everyone should try Lymphatic Enhancement Therapy, as long as they are deemed fit to receive treatment.

No matter what condition you’re experiencing, or even if you’re perfectly healthy, Lymphatic Enhancement Therapy can be a major step on your path to health and wellness.

The lymphatic system is a part of your immune and circulatory systems, delivering nutrients and removing waste at the cellular level. Lymph fluid acts as the delivery system, flowing through lymph vessels. Although, your lymph system doesn’t have a pump like your circulatory system; it relies on your movement to run optimally.

You can see where that can be a problem. Your lymph system can become stagnant with age, illness, or medical issues. The removal of waste and delivery of nutrients can be disrupted when we slow down, experience swelling, or our system is disrupted due to surgery.

When toxins and fluids can’t be removed from your soft tissue, then swelling, puffiness, pain, and illness can occur.

You may be an excellent candidate for Lymphatic Enhancement Therapy if you’ve recently had a surgical procedure, or suffer from any of the following conditions:

Fibromyalgia – Those who suffer from this condition generally experience chronic muscle and joint pain. Lymphatic Enhancement Therapy has been shown to reduce stiffness and pain while improving sleep.

Rheumatoid arthritis – Tissue swelling and limited joint movement reduce lymph flow as RA progresses. Lymphatic Enhancement Therapy can ease these symptoms.

Lymphedema – Lymphedema is caused by decreased lymph flow, resulting in pain and swelling, usually in the feet, legs, arms, and hands. Lymphatic Enhancement Therapy helps relieve the pain and swelling.

Chronic venous deficiency – This condition causes the veins in your legs to be unable to function well enough to effectively return blood to your heart, which causes pain and swelling. Lymphatic Enhancement Therapy encourages movement, thereby reducing swelling.

Doctors often recommend Lymphatic Enhancement Therapy to speed up recovery, improve results, and help you feel better.

Cosmetic surgery – Lymphatic drainage massage can benefit those that have just undergone cosmetic surgeries such as tummy tucks or liposuction. Swelling can cause pain, discomfort, and fibrosis – that tough scarring tissue you want to avoid as part of your new look. Lymphatic Enhancement Therapy stimulates lymph flow to reduce these symptoms and more. Although, you do have to be careful when working around new scarring to avoid spreading infection.

Mastectomy / lumpectomy and other breast cancer treatments – Lymphedema is a regular after-affect for breast cancer survivors. Lymphatic drainage massage can help rid the body of toxins, and therefore side-affects, from chemotherapy treatments.

Yes! Lymphatic Enhancement Therapy helps alleviate stress, promotes health and wellness, speeds up recovery from injury, can improve athletic performance, encourages collagen production, and reduces puffiness.

Ultimately, lymphatic enhancement therapy is all about promoting health. When your lymphatic system is working properly to remove waste from your cells, you feel better, you look better, and your body performs better. You don’t have to be solving a problem to receive treatment.


The Lymphstar Pro is not intended as cure for any disease or medical condition. It is provided for personal or professional research on the effects of photonic, sound, and noble/cold gas ionization technology on living systems.


Our LET devices effectively use subtle energy technologies including EEF, sonic and acoustic waves and harmonics. See technical section below.

  • LET is not ultrasound
  • LET is not a Rife Machine or a PEMF Machine
  • It is not a standard electro-modality like neuro-muscular or electro-muscle stimulation
  • LET is not “electro-lymphatic drainage or ELT.”
  • ‘Lymphatic Therapy’ refers to multiple types of treatments around the world

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  • The LET Instruments from Arcturus Star Incorporate a Mild Electrostatic Energy Field (EEF) with Low Frequencies that are Dynamically – Pulsed with our Proprietary Method.
  • EEF is electro-static field that pulsates at microamperes (millionths of an ampere) at less than 1,000 Hz. The EF Field is generated through medical grade glass applicators with the enclosed noble gases being excited by high voltage at the source and converted to DC (direct current). (Argon, Xenon, Krypton)
  • Creates physical vibrations with acoustic pressure waves at variable low frequencies.
  • The oscillations are modulated by a proprietary design call Sweep Pulse/ Dynamic Wave Pulse (SP/DWP).
  • This wave pulse creates vibratory energy at the molecular level. This enables a release of toxins, excess ions, proteins etc. within the interstitial space.
  • Advanced models of LET instruments have additional electronic EM modalities that add important therapeutic benefits to the System: Multi-Chromatic, High Frequency Light Accessory (Eclipse) offers additional, local drainage effects; Pulsing Magnetic offers pulsed magnetic fields; Infrared Light therapy with ELF frequency modulates topical nutrients; Multi-Chromatic and Harmonic modulated lens with coherent light.
  • All Energies are Non-Thermal and safe for most persons. (see contraindications)
  • The EEF works with the sympathetic contractile forces of the lymph circulation as shown in a scientific study for a description of this mechanism of action; the Croley Study performed by Thomas Eugene Croley, PhD. Emeritus professor, Anatomy, Texas Women’s University.
  • The US FDA registration categories are extremely limited at this time. Companies must determine into which of the categories their device fits.
  • Lymphatic Enhancement Technology Instruments are state of the art technology for application on broad range of tissue congestion-based problems. Enhances and augments the functions of the lymphatic system as the detoxification channel for the body.
  • Proven effective over 3 decades of users all over the world.


  • Not for use on persons with implanted medical devices.
  • Do not use in the presence of unexplained calf pain or over inflamed areas. (active blood clots with pain)
  • Do not use directly over any undiagnosed skin infections to avoid the spread of bacteria.
  • See precautions for use during medical treatment for cancer.
  • Do not use during pregnancy.

Precautions: Please turn machine OFF when removing or inputting head jacks.

  • Wear rubber/plastic gloves while using on others.
  • Avoid touching large metal objects while holding the heads or while on oneself.
  • Not for use in children under the age of 12.

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