# K242789: Bestqool LED Therapy Device (LMK-001,LMK-004,LMK-005,LMK-006)

- Pathway: 510(k) (Traditional)
- Applicant: Dongguan Laiguang Electronic Technology Co., Ltd.
- Decided: Jan 2, 2025 after 108 days
- Product code: OHS (Light Based Over The Counter Wrinkle Reduction)
- 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: 15 generations back to K943450 (1995). 145 ancestors in all.
3 later devices descend from it; 2 cite it directly.
0 of 149 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K200983: Infrared light therapy led facial light therapy mask-Derma plus, Photons Facial Skin Care Machine LED Beauty Mask Therapy Beauty Machine, Ningbo Hesi Electric Co., Ltd. (2021) Summary page 5.

## Most influential descendants
- K251012: TRUDERMAL Pro (ZLD-390) (2025), 1 descendant of its own
- K260946: LED Light Therapy Mask (K9C-TK, K9C-K, K9P-YK, K9P-K, FM-03BK, FM-09K) (2026), 0 descendants of its own
- K252603: HIGHERDOSE Body Sculptor (Model: GS-03) (2026), 0 descendants of its own

## Indications for use
This device produces light in the blue light (415nm) is intended to reduce mild to moderate inflammatory acne vulgaris. The red light (635nm) in combination with near-infrared light (850nm) is intended to improve the appearance of wrinkles.

Source page: https://510kreport.com/device/K242789
Methodology: https://510kreport.com/methodology