# K090820: Tria Hair Removal Laser System

- Pathway: 510(k) (Traditional)
- Applicant: Spectragenics, Inc.
- Decided: Dec 23, 2009 after 272 days
- Product code: GEX (Powered Laser Surgical Instrument)
- Device class: 2
- Regulation: 21 CFR 878.4810
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 10 generations back to K950019 (1995). 27 ancestors in all.
167 later devices descend from it; 7 cite it directly.
0 of 195 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K053527: Spectra Hair Removal Laser, Spectragenics, Inc. (2008) Summary page 1.
- K982940: Lightsheer Pulsed Diode Array Laser System, Star Medical Technologies, Inc. (1999) Summary page 1.
- K082298: Flash N' GO, Home Skinovations, Ltd. (2008) Summary page 1.

## Most influential descendants
- K103184: Silk'n Flash N GO (2010), 148 descendants of its own
- K103560: Shaser Ipl Hair Removal System (2011), 140 descendants of its own
- K120080: Shaser HRS2 Hair Removal System (2012), 135 descendants of its own
- K120737: Tria Laser Hair Removal System (2012), 130 descendants of its own
- K121598: ME HAIR2GO (2012), 127 descendants of its own

## Indications for use
TRIA is an over-the-counter device intended for adjunctive use with shaving for hair removal sustained with periodic treatments. TRIA is also intended for permanent reduction in hair regrowth defined as a long-term, stable reduction in hair counts following a treatment regime.

Source page: https://510kreport.com/device/K090820
Methodology: https://510kreport.com/methodology