510(k) Report

510(k) · Cleared

Cleared

Hair Growth System

K190685510(k) TraditionalCleared Jul 26, 2019130-day reviewClass II21 CFR 890.5500

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Xuzhou Kernel Medical Equipment Co., Ltd. · OAP Laser, Comb, Hair

Cleared on Jul 26, 2019 as substantially equivalent to K162994 (Capillus, LLC, 2016) and 1 other predicate after a 130-day review. Its family tree reaches back 9 generations to 2000.

Decided
Jul 26, 2019
Review
130 days
Class
Class II
Product code
OAP
Recalls
None
Predicates
2

Its longest line of descent runs back 9 generations to K001179 (2000). 22 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 9 generations backK001179 Super Nova, AcubeamLight Force Therapy, Inc. · 2000
  2. 5 generations between
  3. 3 generations backK151516 Capillus82Capillus, LLC · 2015
  4. 2 generations backK161875 LaserCap300, LaserCap224, LaserCap120, LaserCap80Transdermal Cap, Inc. · 2016
  5. 1 generation backK162994 Capillus302, Capillus312, Capillus352Capillus, LLC · 2016
  6. This deviceK190685 Hair Growth SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2019
Show all 9 generations
  1. Root · 9 generations backK001179 Super Nova, AcubeamLight Force Therapy, Inc. · 2000
  2. 8 generations backK020017 Medx 1000 SeriesMedx Electronics, Inc. · 2002
  3. 7 generations backK032816 Quantum Light Therapy SystemStargate International, Inc. · 2004
  4. 6 generations backK091496 Mep-90 Hair Growth Stimulation SystemMidwest Rf, LLC · 2010
  5. 5 generations backK113097 Laser HelmetTheradome, Inc. · 2012
  6. 4 generations backK122950 Laser HelmetTheradome, Inc. · 2013
  7. 3 generations backK151516 Capillus82Capillus, LLC · 2015
  8. 2 generations backK161875 LaserCap300, LaserCap224, LaserCap120, LaserCap80Transdermal Cap, Inc. · 2016
  9. 1 generation backK162994 Capillus302, Capillus312, Capillus352Capillus, LLC · 2016
  10. This deviceK190685 Hair Growth SystemXuzhou Kernel Medical Equipment Co., Ltd. · 2019
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K001179Super Nova, AcubeamLight Force Therapy, Inc.2000—
−8K020017Medx 1000 SeriesMedx Electronics, Inc.2002—
−7K032816Quantum Light Therapy SystemStargate International, Inc.2004—
−6K091496Mep-90 Hair Growth Stimulation SystemMidwest Rf, LLC2010—
−5K113097Laser HelmetTheradome, Inc.2012—
−4K122950Laser HelmetTheradome, Inc.2013—
−3K151516Capillus82Capillus, LLC2015—
−2K161875LaserCap300, LaserCap224, LaserCap120, LaserCap80Transdermal Cap, Inc.2016—
−1K162994Capillus302, Capillus312, Capillus352Capillus, LLC2016—
0 (this device)K190685Hair Growth SystemXuzhou Kernel Medical Equipment Co., Ltd.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200210
200710
200910
201120
201210
201310
201420
201520
201620
FIG. 1 — Lineage of K190685, 2000–2019Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OAP? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new OAP device

  1. #1 K222790 F65 Laser Systemscore 20.5 · 21 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K162994Capillus302, Capillus312, Capillus352
Summary page 5
…Page 1 of 5 Capillus352; Capillus302 510(k) Number K162994 K132646 Product Code OAP OAP Regulation…
Capillus, LLC2016—
*K132646Sunetics Clinical Bio-Stimulation Laser
Summary page 5
…Page 1 of 5 Capillus352; Capillus302 510(k) Number K162994 K132646 Product Code OAP OAP Regulation 21 CFR 890.5500…
Sunetics International Marketing Group, LLC2013—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 19 years and passes through 8 companies; a new generation was cleared every 1.7 years on median.
  • None of the 22 ancestors has a recall.

How does its category compare?

All OAP devices

OAP Laser, Comb, Hair: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · OAP

6in 2025

2007: 12009: 12010: 12011: 42012: 22013: 32014: 32015: 82016: 82017: 52018: 152019: 92020: 92021: 52022: 82023: 82024: 102025: 62026 (partial year): 9
2007high 15 (2018) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OAP

87in 2025

2011: 89 days median2013: 262 days median2014: 80 days median2015: 126 days median2016: 83 days median2017: 83 days median2018: 87 days median2019: 89 days median2020: 88 days median2021: 89 days median2022: 99 days median2023: 81 days median2024: 94 days median2025: 87 days median2026 (partial year): 83 days median
2007high 262 (2013) · low 80 (2014)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · OAP

No recall names OAP since 2007.

Adverse event reports per year · OAP

11in 2025

2011: 12013: 12015: 22016: 12017: 12018: 12019: 42021: 32022: 22024: 12025: 11
2007high 11 (2025) · low 0 (2007)2025

MAUDE reports naming product code OAP, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071—00
20080—00
20091—00
20101—00
201148901
20122—00
2013326201
201438000
2015812602
201688301
201758301
2018158701
201998904
202098800
202158903
202289902
202388100
2024109401
2025687011
20269830—

What is it indicated for?

The Hair Growth System (Model: KN-8000A) is a prescription use device intended for the promotion of hair growth in

females with androgenic alopecia who have Ludwig-Savin Classifications I- II, and in males with androgenic alopecia

who have Norwood Hamilton Classifications IIa-V; and both genders having Fitzpatrick Classification of Skin Phototypes

I to IV.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K190685: Hair Growth System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190685

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026