TRIA 4X - STUDY 2

Short-term simulated consumer use of Tria 4X’s laser system 1.

In this clinical study, the safety, efficacy, and usability of the Spectra Hair Removal Laser [Tria 4X] and its labelling were evaluated in simulated consumer use.

Claims based on this study.

1

61%

See up to 61% hair reduction following just 1 treatment.

2

70%

See up to 70% hair reduction following just 2 treatments.

3

Visible Results

See visible results in just 1 treatment.

BEFORE & AFTER

Hair removal results from real Tria 4X users.

Full study breakdown.

132 total participants, 77 of which underwent laser treatments with Tria 4X’s laser system. All participants were adults with naturally brown or black hair and skin types I-IV on Fitzpatrick Scale.
University of Arizona Health Sciences Center, Tucson, AZ.
The principal investigator of this study was Dr Ronald G. Wheeland, a well respected dermatologist and laser surgeon. He was the Professor & Chief of Dermatology at multiple universities, including University of Arizona (at the time of this study), as well as the former President of the American Academy of Dermatology, President of the American Society for Dermatologic Surgery, and President of the American Society for Laser Medicine and Surgery, and an inductee into the Dermatology Hall of Fame.
Participants received 2 treatments. Results were measured by a clinician who performed hair counts in the treated areas 3 weeks post-treatment.
Read this study in its entirety here.

Clinician hair count results.

(Each count was conducted 3 weeks post-treatment)

Mean hair count reduction (%)
1 Treatment

60.6%
2 Treatments

69.8%

Principal investigator's conclusion.

"In this clinical study of simulated consumer use, the [Tria 4X’s] laser system has been shown to be highly effective at hair removal with minimal-to-no side effects for intended users."

- Dr. Ronald G. Wheeland