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CLINICAL EVIDENCE FOR EFFECTIVENESS OF LASER TECHNOLOGY

1a. Clinical study to evaluate the effectiveness of hair removal device in reducing hair count (2023)

Thirty females aged from 20 to 50 years old used the hair removal device for 28 days. The treatment area being measured was the calves, underarms and lateral forearms on both sides.

The hair count was measured with an Image-Pro Plus skin comprehensive analysis software camera. All participants had a random 3cm x 3cm marked area shaved and a photo beforehand.

Subjects then used the device 2-3 times a week for 4 weeks. Photos were then taken after 28 days in the same marked area to match the original baseline. The results were measured on the significant difference in hair count compared to the control area after treatment.

1b. Self-assessment for all participants (2023)

Participants also had a self-assessment of efficacy and satisfaction with the test product. Measured by rating from 0-5, 5 being completely satisfied and 0 not satisfied.

Results:

• 100% of users were satisfied with the product.
• 97% of users agreed that the speed of hair growth slowed down.
• 97% agreed that hair became thinner and the number of new hairs decreased.
• 93% of users' hair fell out at the hair follicle, leaving no hair root residue.
• 97% were happy with the overall hair removal experience.

CLINICAL EVIDENCE FOR LONG TERM RESULTS

1. One-year follow-up results of hair removal using an 810 nm diode laser (Goldberg, 2018)

Introduction: Laser hair removal is a common light-based aesthetic procedure. Diode lasers and specifically the long-pulse diode laser 810 nm are the most popular preference for hair removal due to the deep penetration and targeting of the hair follicle. In a recently published article, we presented our hair removal clinical evaluation results using an 810 nm scanning diode laser. Three- and six-month follow-up hair counts demonstrated an average hair reduction of about 70%.

Objective: Long-term follow-up hair removal results of 1 year after last treatment.

Methods: Among 11 out of 14 female patients who received three axillary hair removal treatments, 4-6 weeks apart, returned to the 1-year follow-up visit. Treatment area photographs and hair count of 1-year follow-up visit were compared to baseline.

Results: The average hair count reduction of about 70% at 1 year after the last treatment was maintained.

Conclusions: The examined 810 nm diode laser has been proven to be a safe and effective for hair removal. Results sustain not only for 3 or 6 months but also for 1 year after last treatment.