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The Science Behind Our Products

Please don't just take our word on our products, despite all our rigorous testing and seeing the actual results for ourselves, below are numerous medical reports from hospitals and universities around the world.  These are genuine reports on infrared, red, blue and green LED Light Therapy Treatment.  Please also click on the link below and see how NASA has backed this kind of therapy - we think that speaks for itself!



J Drugs Dermatol. 2006 Sep;5(8):748-53.


Combined 633-nm and 830-nm led treatment of photoaging skin.
Goldberg DJ, Amin S, Russell BA, Phelps R, Kellett N, Reilly LA.
Skin Laser and Surgery Specialists of NY/NJ, New York, NY 10022, USA.


OBJECTIVES: To evaluate the clinical efficacy and ultrastructural changes in photodamaged skin after combined 633-nm and 830-nm light-emitting diode (LED) treatments.

METHODS: Thirty-six subjects received 9 LED treatments over the course of 5 weeks and were subsequently evaluated for final clinical improvement 12 weeks after treatment. Five subjects were also biopsied to determine the ultrastuctural posttreatment changes in collagen fibers.

RESULTS: A statistically significant improvement in wrinkles was seen after profilometric analysis. The majority of subjects reported improvements in softness, smoothness, and firmness at all time points. Electron microscopic analysis showed evidence of post-LED treatment of thicker collagen fibers.

CONCLUSIONS: 633-nm and 830-nm LED treatments play a role in the treatment of photodamaged skin. LED treatments can be used as either a primary or adjunctive treatment modality.


Lasers Surg Med. 2005 Feb;36(2):85-91.


Clinical trial of a novel non-thermal LED array for reversal of photoaging: clinical, histologic, and surface profilometric results.

Weiss RA, McDaniel DH, Geronemus RG, Weiss MA.
Maryland Laser Skin & Vein Institute, Hunt Valley, Maryland 21030, USA.


BACKGROUND AND OBJECTIVES: Photomodulation has been described as a process which modifies cell activity using light sources without thermal effect. The objective of this study was to investigate the use of a non-thermal low dose light emitting diode (LED) array for improving the appearance of photoaged subjects.

STUDY DESIGN/MATERIALS AND METHODS: This prospective study investigated a random cohort of patients (N = 90) with a wide range of photoaged skin treated by LED photomodulation using a full panel 590 nm non-thermal full face LED array delivering 0.1 J/cm(2) with a specific sequence of pulsing. Subjects were evaluated at 4, 8, 12, 18 weeks and 6 and 12 months after a series of 8 treatments delivered over 4 weeks. Data collected included stereotactic digital imaging, computerized optical digital profilometry, and peri-ocular biopsy histologic evaluations for standard stains and well as collagen synthetic and degradative pathway immunofluorescent staining.

RESULTS: Digital imaging data showed a reduction of signs of photoaging in 90% of subjects with smoother texture, reduction of peri-orbital rhytids, and reduction of erythema and pigmentation. Optical profilometry showed a 10% improvement by surface topographical measurements. Histologic data showed markedly increased collagen in the papillary dermis of 100% of post-treatment specimens (N = 10). Staining with anti-collagen I antibodies demonstrated a 28% (range: 10%-70%) average increase in density while staining with anti-matrixmetalloproteinase (MMP)-1 showed an average reduction of 4% (range: 2%-40%). No side effects or pain were noted.

CONCLUSIONS: Photomodulation to reverse photoaging is possible with a specific array of LEDs with a specific fluence using a precise pulsing or "code" sequence. Skin textural improvement by digital imaging and surface profilometry is accompanied by increased collagen I deposition with reduced MMP-1 (collagenase) activity in the papillary dermis. This technique is a safe and effective non-painful non-ablative modality for improvement of photoaging.

J Cosmet Dermatol. 2007 Sep;6(3):189-94.


The use of light-emitting diode therapy in the treatment of photoaged skin.
Baez F, Reilly LR.  International Center for Cosmetic Medicine, Sydney, NSW, Australia. 


BACKGROUND: Light-emitting diode (LED) therapy is an increasingly popular methodology for the treatment of sun damage. Combination use of light wavelengths reported to stimulate collagen synthesis and accelerate fibroblast-myofibroblast transformation may display a composite rejuvenative effect.

OBJECTIVE: To clinically assess reduction in sun damage signs following a 5-week course of LED therapy and to assess subject's perception of the treatment.
METHODS: Thirteen subjects with wrinkles or fine lines in the periorbital and nasolabial region and those presenting Glogau scale photodamage grade II-III received nine 20-min duration light treatments using the Omnilux LED system. The treatments combined wavelengths of 633 and 830 nm at fluences of 126 and 66 J/cm(2), respectively. Sun-damage reduction was assessed at 6, 9, and 12 weeks by clinical photography and patient satisfaction scores.

RESULTS: The majority of subjects displayed "moderate" (50%) or "slight" (25%) response to treatment at investigator assessment. Treatment of the periorbital region was reported more effective than the nasolabial region. At 12-week follow-up, 91% of subjects reported improved skin tone, and 82% reported enhanced smoothness of skin in the treatment area.

CONCLUSION: Good response to LED therapy has been shown in this modest sample. Larger trials are needed to assess optimum frequency of light treatments and overall treatment time.


J Cosmet Laser Ther. 2005 Dec;7(3-4):196-200.


A study to determine the efficacy of combination LED light therapy (633 nm and 830 nm) in facial skin rejuvenation.
Russell BA, Kellett N, Reilly LR.  Advanced Laser and Dermatologic Surgery Clinics PC, Beaverton, Oregon 97008, USA.


BACKGROUND: The use of visible or near infrared spectral light alone for the purpose of skin rejuvenation has been previously reported. A method of light emitting diode (LED) photo rejuvenation incorporating a combination of these wavelengths and thus compounding their distinct stimulation of cellular components is proposed.Objective. To assess the efficacy and local tolerability of combination light therapy in photo rejuvenation of facial skin.

METHODS: Thirty-one subjects with facial rhytids received nine light therapy treatments. The treatments combined wavelengths of 633 nm and 830 nm with fluences of 126 J/cm(2) and 66 J/cm(2) respectively. Improvements to the skin surface were evaluated at weeks 9 and 12 by profilometry performed on periorbital casts. Additional outcome measures included assessments of clinical photography and patient satisfaction scores.

RESULTS: Key profilometry results Sq, Sa, Sp and St showed significant differences at week 12 follow-up; 52% of subjects showed a 25%-50% improvement in photoaging scores by week 12; 81% of subjects reported a significant improvement in periorbital wrinkles on completion of follow-up.

CONCLUSION: Combination red and near infrared LED therapy represents an effective and acceptable method of photo rejuvenation. Further study to optimize the parameters of treatment is required.

Dermatol Surg. 2005 Sep;31(9 Pt 2):1199-205.


Clinical experience with light-emitting diode (LED) photomodulation.
Weiss RA, McDaniel DH, Geronemus RG, Weiss MA, Beasley KL, Munavalli GM, Bellew SG.  Maryland Laser, Skin and Vein Institute, Hunt Valley, MD 21030, USA. 



BACKGROUND: Light-emitting diode (LED) photomodulation is a novel nonthermal technology used to modulate cellular activity with light.

OBJECTIVE: We describe our experience over the last 2 years using 590 nm LED photomodulation within a dermatologic surgery environment.

METHODS: Practical use of nonthermal light energy and emerging applications in 3,500 treatments delivered to 900 patients is detailed.

RESULTS: LED photomodulation has been used alone for skin rejuvenation in over 300 patients but has been effective in augmentation of results in 600 patients receiving concomitant nonablative thermal and vascular treatments such as intense pulsed light, pulsed dye laser, KTP and infrared lasers, radiofrequency energy, and ablative lasers.

CONCLUSION: LED photomodulation reverses signs of photoaging using a new nonthermal mechanism. The anti-inflammatory component of LED in combination with the cell regulatory component helps improve the outcome of other thermal-based rejuvenation treatments.


J Drugs Dermatol. 2004 Nov-Dec;3(6):605-10.


A novel non-thermal non-ablative full panel LED photomodulation device for reversal of photoaging: digital microscopic and clinical results in various skin types.  Weiss RA, Weiss MA, Geronemus RG, McDaniel DH.  Maryland Laser Skin and Vein Institute, Hunt Valley, Maryland 21030, USA. 


Photomodulation is a process that manipulates or regulates cell activity using light sources without thermal effect. Previous studies of LED photomodulation have shown skin textural improvement accompanied by increased collagen deposition with reduced MMP-1 (collagenase) activity in the papillary dermis. The purpose of this study was to investigate a separate cohort of patients (N =93) with a wide range of Fitzpatrick skin types treated by LED photomodulation using the Gentlewaves full panel 590 nm high energy LED array with a specific sequence or code of pulsing in the millisecond domain.


Results showed improvement of signs of photoaging in 90%. The majority of patients demonstrated improvement in peri-ocular wrinkles, reduction in Fitzpatrick photoaging classification, global skin texture and background erythema, and pigmentation. No side effects were noted. LED photomodulation is a safe and effective non-painful non-ablative modality for improvement of photoaging.



Skin Res Technol. 2006 Nov;12(4):289-91.


Fluorescence digital photography of acne using a light-emitting diode illuminator.  Ahn HH, Kim SN, Kye YC.  Department of Dermatology, Korea University Medical College, Seoul, Korea.


BACKGROUND/PURPOSE: The fluorescence findings of several dermatological diseases, such as erythrasma, tinea versicolor, and acne are helpful for diagnosis and follow-up. However, many experience difficulty taking photographic images of fluorescence. The aim of this study was to develop a 405 nm light-emitting diode (LED) system for fluorescence digital photography of acne and to determine whether such a diode can be used to evaluate acne.

METHODS: Eight healthy acne patients were compared with controls by fluorescence digital photography using a digital camera equipped with a 405 nm LED illuminator. Digital photographs were taken by two different ways of exposure, i.e. appropriate exposure level and longer exposure. One side of the nose, cheek, and glabella was compared. The numbers and extents of fluorescence dots were counted and measured. As normal controls, seven individuals with apparent oiliness and no acne were enrolled.

RESULTS: Red fluorescent facial dots were observed and photographed digitally using the 405 nm LED illuminator. These were more numerous and extensive on the glabella and cheeks of acne patients.

CONCLUSION: Fluorescence digital photography of acne was successfully performed using a 405 nm LED illuminator. This illuminator could be used for acne evaluations.



Dermatol Surg. 2007 Oct;33(10):1228-33; discussion 1233.


Red light phototherapy alone is effective for acne vulgaris: randomized, single-blinded clinical trial.  Na JI, Suh DH.  Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.


BACKGROUND: Recently, a demand for safe and effective treatment of acne has been increasing. Although visible light has attracted attention as a new option, the effect of red light alone has not yet been evaluated.

OBJECTIVES: The objective was to assess the efficacy of red light phototherapy with a portable device in acne vulgaris.

METHODS: Twenty-eight volunteers with mild to moderate acne were treated with portable red light-emitting devices in this split-face randomized trial. The right or left side of the face was randomized to treatment side and phototherapy was performed for 15 minutes twice a day for 8 weeks. Clinical photographs, lesion counts, and a visual analog scale (VAS) were used to assess each side of the face at baseline and Weeks 1, 2, 4, and 8, and a split-face comparison was performed.

RESULTS: The percent improvement in noninflammatory and inflammatory lesion counts of the treated side was significant compared to the control side (p<.005). VAS decreased from 3.9 to 1.9 on the treatment side and the difference between the treatment and control sides was significant at Week 8 (p<.005).

CONCLUSIONS: This study shows that red light phototherapy alone can be a new therapeutic option for acne vulgaris.



J Cosmet Laser Ther. 2006 Jun;8(2):71-5.


Combination blue (415 nm) and red (633 nm) LED phototherapy in the treatment of mild to severe acne vulgaris.  Goldberg DJ, Russell BA.  Skin Laser & Surgery Specialists of New York/New Jersey, and Department of Dermatology, Mount Sinai School of Medicine, New York, NY 10022, USA. 


BACKGROUND AND OBJECTIVE: Acne vulgaris represents both a challenge to the treating dermatologist and a major concern for the patient. Conventional treatments have proved inconsistent with often unacceptable side effects and high rates of recurrence. Non-thermal, non-laser, phototherapy for acne with a combination of blue and red light has recently attracted attention. The present study was designed to assess the efficacy of this combination phototherapy.

METHODS: Twenty-four subjects, Fitzpatrick skin types II-V, with mild to severe symmetric facial acne vulgaris were recruited for the study. Subjects were well matched at baseline in terms of both age and duration of acne. Subjects were treated over eight sessions, two per week 3 days apart, alternating between 415 nm blue light (20 minutes/session, 48 J/cm2) and 633 nm red light (20 minutes/session, 96 J/cm2) from a light-emitting diode (LED)-based therapy system. Patients received a mild microdermabrasion before each session. Acne was assessed at baseline and at weeks 2, 4, 8 and 12.

RESULTS: Twenty-two patients completed the trial. A mean reduction in lesion count was observed at all follow-up points. At the 4-week follow-up, the mean lesion count reduction was significant at 46% (p=0.001). At the 12-week follow-up, the mean lesion count reduction was also significant at 81% (p=0.001). Patient and dermatologist assessments were similar. Severe acne showed a marginally better response than mild acne. Side effects were minimal and transitory. Comedones did not respond as well as inflammatory lesions.

CONCLUSIONS: Combination blue and red LED therapy appears to have excellent potential in the treatment of mild to severe acne. Treatment appears to be both pain- and side effect-free.


J Dermatolog Treat. 2005;16(4):219-23.


An open study to determine the efficacy of blue light in the treatment of mild to moderate acne.   Morton CA, Scholefield RD, Whitehurst C, Birch J.
Department of Dermatology, Falkirk Royal Infirmary, Falkirk, UK. 


BACKGROUND: The effective management of acne remains a challenge; achieving an optimal response whilst minimizing adverse events is often difficult. The rise in antibiotic resistance threatens to reduce the future usefulness of the current mainstay of therapy. The need for alternative therapies remains important. Phototherapy has previously been shown to be effective in acne, with renewed interest as both endogenous and exogenous photodynamic therapies are demonstrated for this condition.

OBJECTIVES: To determine the effect of narrowband blue light in the reduction of inflammatory and non-inflammatory lesions in patients with mild to moderate acne and to evaluate patient tolerance of the therapy.

METHODS: We performed an open study utilizing a blue LED light source in 30 subjects with mild to moderate facial acne. Two weeks after screening, lesions were counted and recorded by lesion type. Over 4 weeks, patients received eight 10- or 20-minute light treatments, peak wavelength 409-419 nm at 40 mW/cm2. Assessments were taken at weeks 5, 8 and 12 and lesion counts were recorded. Repeated measures-ANOVA and Dunnett's tests, respectively, allowed assessment of the different scores over time and permitted comparison of mean counts.

RESULTS: An overall effect on inflammatory counts was observed at week 5, and a statistically significant decrease in inflamed counts was detected at the week 8 assessments, which continued to week 12. There was little effect on non-inflamed lesions. The treatment was well tolerated with adverse events experienced generally rated as being mild and usually self-limiting.

CONCLUSIONS: Eight 10- or 20-minute treatments over 4 weeks with a narrowband blue light was found to be effective in reducing the number of inflamed lesions in subjects with mild to moderate acne. The treatment had little effect on the number of comedones. The onset of the effect was observable at the first assessment, at week 5, and maximal between weeks 8 and 12. Blue light phototherapy using a narrowband LED light source appears to be a safe and effective additional therapy for mild to moderate acne.


J Cosmet Laser Ther. 2006 Apr;8(1):31-3.


Light-emitting diode 415 nm in the treatment of inflammatory acne: an open-label, multicentric, pilot investigation.  Tremblay JF, Sire DJ, Lowe NJ, Moy RL.
UCLA School of Medicine, Los Angeles, CA, USA.


BACKGROUND: The management of acne remains a challenge, with current therapies linked to significant side effects and patient non-compliance. Phototherapy using blue light has been proven in the treatment of acne vulgaris and offers the clinician an effective alternative.

OBJECTIVE: To determine the effect of narrowband light-emitting diode (LED) blue light in the reduction of inflammatory and non-inflammatory lesions in patients with mild to moderate acne and to evaluate patient tolerance of the therapy.

METHODS: Forty-five patients were treated with high-intensity pure blue light, 415 nm and 48 J/cm2, receiving two treatments of 20 minutes per week for a period of 4-8 weeks. Clinical assessment was performed at baseline, and 2, 4 and 8 weeks after treatment. A patient's therapeutic response was measured using a global improvement scoring system.

RESULTS: The mean improvement score was 3.14 at 4 weeks and 2.90 at 8 weeks. Nine patients experienced complete clearing at 8 weeks. The treatment was well tolerated, with 50% of patients highly satisfied with the treatment.

CONCLUSION: This open-label study suggests the therapeutic efficacy of high-intensity LED pure blue light in the treatment of acne vulgaris with no reported side effects.


J Cosmet Laser Ther. 2003 Jun;5(2):111-7.


The effective treatment of acne vulgaris by a high-intensity, narrow band 405-420 nm light source.  Elman M, Slatkine M, Harth Y.  Beit Harofim Holon, Israel.


BACKGROUND: Available topical treatments are slow and frequently irritating. Oral therapies may be associated with increased bacterial resistance (antibiotics) or possible severe side effects (oral isotretinoin). In vitro and in vivo exposure of acne bacteria to 405-420 nm ultraviolet (UV) free blue light results in the photo-destruction of these bacteria through the effects on the porphyrins produced naturally by Propionibacterium acnes. A novel, high-intensity, narrow band 420 nm UV free blue light has been shown to decrease inflammatory acne lesions after eight bi-weekly treatments.

OBJECTIVES: To examine the effects of high-intensity, narrow band 420 nm UV free blue light (ClearLight) on inflammatory acne lesions.

METHODS: Three studies were carried out to examine the clinical effects of high-intensity, narrow band blue light on papulo-pustular acne: the split-face dose-response study, the full-face open trial and the split-face, double-blind controlled study. The studies enrolled 10, 13 and 23 patients respectively.

RESULTS: The data showed more than an 80% response to 420 nm acne phototherapy with a significant reduction of 59-67% of inflammatory acne lesions after only eight treatments of 8-15 minutes. The reduction in lesions was steady in the follow-ups at 2, 4 and 8 weeks after the end of therapy. Prolonged remission was evident in the 8 weeks after the end of therapy. No adverse effects or patient discomfort were noted in any of the patients.

CONCLUSIONS: Acne phototherapy by high intensity, narrow band 405-420 nm light is proven to be an attractive, fast, effective, non-invasive alternative to current topical and parenteral anti-acne remedies.


Br J Dermatol. 2000 May;142(5):973-8.


Phototherapy with blue (415 nm) and red (660 nm) light in the treatment of acne vulgaris.  Papageorgiou P, Katsambas A, Chu A.  Unit of Dermatology, Imperial College of Science, Technology and Medicine, Hammersmith Hospital, DuCane Road, London W12 0NN, U.K.


In this study we have evaluated the use of blue light (peak at 415 nm) and a mixed blue and red light (peaks at 415 and 660 nm) in the treatment of acne vulgaris. One hundred and seven patients with mild to moderate acne vulgaris were randomized into four treatment groups: blue light, mixed blue and red light, cool white light and 5% benzoyl peroxide cream. Subjects in the phototherapy groups used portable light sources and irradiation was carried out daily for 15 min. Comparative assessment between the three light sources was made in an observer-blinded fashion, but this could not be achieved for the use of benzoyl peroxide. Assessments were performed every 4 weeks.


After 12 weeks of active treatment a mean improvement of 76% (95% confidence interval 66-87) in inflammatory lesions was achieved by the combined blue-red light phototherapy; this was significantly superior to that achieved by blue light (at weeks 4 and 8 but not week 12), benzoyl peroxide (at weeks 8 and 12) or white light (at each assessment). The final mean improvement in comedones by using blue-red light was 58% (95% confidence interval 45-71), again better than that achieved by the other active treatments used, although the differences did not reach significant levels. 


We have found that phototherapy with mixed blue-red light, probably by combining antibacterial and anti-inflammatory action, is an effective means of treating acne vulgaris of mild to moderate severity, with no significant short-term adverse effects.



Lasers Surg Med. 2007 Feb;39(2):180-8.


Blue and red light combination LED phototherapy for acne vulgaris in patients with skin phototype IV.  Lee SY, You CE, Park MY.  Department of Dermatology, National Medical Center, Seoul, Republic of Korea.


BACKGROUND AND OBJECTIVES: Blue light is effective for acne treatment, inducing photodynamic destruction of Propionibacterium acnes (P. acnes). This study was designed to investigate the efficacy of combined blue and red light-emitting diode (LED) phototherapy for acne vulgaris.

MATERIALS AND METHODS: Twenty-four patients with mild to moderately severe facial acne were treated with quasimonochromatic LED devices, alternating blue (415 nm) and red (633 nm) light. The treatment was performed twice a week for 4 weeks. Objective assays of the skin condition were carried out before and after treatment at each treatment session. Clinical assessments were conducted before treatment, after the 2nd, 4th, and 6th treatment sessions and at 2, 4, and 8 weeks after the final treatment by grading and lesion counting.

RESULTS: The final mean percentage improvements in non-inflammatory and inflammatory lesions were 34.28% and 77.93%, respectively. Instrumental measurements indicated that the melanin levels significantly decreased after treatment. Brightened skin tone and improved skin texture were spontaneously reported by 14 patients.

CONCLUSION: Blue and red light combination LED phototherapy is an effective, safe and non-painful treatment for mild to moderately severe acne vulgaris, particularly for papulopustular acne lesions.


Lasers Surg Med. 2007 Feb;39(2):164-8.


Treatment of radiation-induced dermatitis with light-emitting diode (LED) photomodulation.  DeLand MM, Weiss RA, McDaniel DH, Geronemus RG.
Oncologics, Inc., and Louisiana State University School of Medicine, Lafayette, Louisiana, USA.


BACKGROUND AND OBJECTIVE: Light-emitting diode (LED) photomodulation increases dermal collagen and reduces inflammation. This study evaluated the use of LED photomodulation in the prevention of radiation-induced dermatitis in breast cancer.

MATERIALS AND METHODS: Patients (n=19) were treated with LED photomodulation (Gentlewaves, Light BioScience, LLC, Virginia Beach, VA) after each of a series of intensity-modulated radiation treatments (IMRT). Skin reactions were monitored weekly with National Cancer Institute (NCI) criteria. Age-matched controls (n=28) received IMRT without LED photomodulation.

RESULTS: In LED-treated patients, 18 (94.7%) had grade 0 or 1 reaction and 1 (5.3%) had grade 2 reaction. Among controls, 4 (14.3%) had a grade 1 reaction, 24 (85.7%) had a grade 2 or 3 reaction. One LED-treated patient (5.3%) and 19 controls (67.9%) had to interrupt treatment.

CONCLUSION: LED photomodulation treatments immediately after IMRT reduces the incidence of NCI grades 1, 2, and 3 skin reactions in patients with breast cancer treated by radiation therapy (RT) postlumpectomy.





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