510(k) Report

510(k) · Cleared

Cleared

Diamond Air+ (UI04A, UI04B, UI04C)

K221553510(k) SpecialCleared Sep 15, 2022107-day reviewClass II21 CFR 878.4810

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

Ulike Co., Ltd. · OHT Light Based Over-The-Counter Hair Removal

Cleared on Sep 15, 2022 as substantially equivalent to K213558 (Ulike Co., Ltd., 2022) and 1 other predicate after a 107-day review. Its family tree reaches back 20 generations to 1995. 1 later device descends from it.

Decided
Sep 15, 2022
Review
107 days
Class
Class II
Product code
OHT
Recalls
None
Predicates
2

Its longest line of descent runs back 20 generations to K950019 (1995). 62 ancestors in all, the oldest K892514 (1990). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2022: 1 other ancestor2019: 1 other ancestor2013: 4 other ancestors2018: 1 other ancestor2014: 2 other ancestors2005: 1 other ancestor2002: 2 other ancestors2012: 3 other ancestors2011: 1 other ancestor2000: 4 other ancestors2008: 1 other ancestor1999: 2 other ancestors1998: 4 other ancestors1997: 4 other ancestors2003: 2 other ancestors2001: 4 other ancestors1990: 1 other ancestor1996: 2 other ancestors1992: 1 other ancestor1993: 1 other ancestor2024: 1 descendant clearedK950019 · Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase LT-100;LT-100 · Thermolase Corp. · 1995K963947 · Epilaser Normal Mode Ruby Laser · Spectrum Medical Technologies, Inc. · 1997K973324 · Starlight Pulsed Diode Array Laser System · Star Medical Technologies, Inc. · 1997K982940 · Lightsheer Pulsed Diode Array Laser System · Star Medical Technologies, Inc. · 1999K011747 · Palomar LC 100 Diode Laser · Palomar Medical Technologies, Inc. · 2001K032846 · Spectra Pulsed Diode Laser, Model DR-1 · Spectragenics, Inc. · 2003K052848 · Spectra Hair Removal Laser · Spectragenics, Inc. · 2005K060839 · Abc Hair Removal System · Palomar Medical Technologies, Inc. · 2006K072906 · SILK'N · Home Skinovations, Ltd. · 2008K082298 · Flash N' GO · Home Skinovations, Ltd. · 2008K090820 · Tria Hair Removal Laser System · Spectragenics, Inc. · 2009K103184 · Silk'n Flash N GO · Home Skinovations, Ltd. · 2010×2: 2 generations cleared close together, K121598 (2012), K123845 (2013) K131649 · ME · Syneron Beauty, Ltd. · 2013K143003 · iPulse Smooth Skin Gold Hair Removal System · Ipulse Limited · 2015K160968 · iPulse SmoothSkin Gold Hair Removal Device · Cyden Limited · 2016K161428 · PerfectSmooth · Shen Zhen Cosbeauty Co., Ltd. · 2017K181568 · IPL Salon Hair Reduction System · Medical Device Branch of Zhangzhou Easepal Industrial Co.,Lt · 2018K192432 · IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119, D-1129, D-1130 · Shenzhen Bosidin Technology Co., Ltd. · 20191990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 5 other ancestors4 generations back: 3 other ancestors5 generations back: 5 other ancestors6 generations back: 5 other ancestors7 generations back: 10 other ancestors8 generations back: 9 other ancestors9 generations back: 2 other ancestors 1 generation forward: 1 descendant K192432 · IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119, D-1129, D-1130 · Shenzhen Bosidin Technology Co., Ltd. · 2019K181568 · IPL Salon Hair Reduction System · Medical Device Branch of Zhangzhou Easepal Industrial Co.,Lt · 2018K161428 · PerfectSmooth · Shen Zhen Cosbeauty Co., Ltd. · 2017K160968 · iPulse SmoothSkin Gold Hair Removal Device · Cyden Limited · 2016K143003 · iPulse Smooth Skin Gold Hair Removal System · Ipulse Limited · 2015K131649 · ME · Syneron Beauty, Ltd. · 2013K123845 · ME · Syneron Beauty, Ltd. · 2013K121598 · ME HAIR2GO · Syneron Medical, Ltd. · 2012K103184 · Silk'n Flash N GO · Home Skinovations, Ltd. · 2010K090820 · Tria Hair Removal Laser System · Spectragenics, Inc. · 2009K082298 · Flash N' GO · Home Skinovations, Ltd. · 2008K072906 · SILK'N · Home Skinovations, Ltd. · 2008K060839 · Abc Hair Removal System · Palomar Medical Technologies, Inc. · 2006K052848 · Spectra Hair Removal Laser · Spectragenics, Inc. · 2005K032846 · Spectra Pulsed Diode Laser, Model DR-1 · Spectragenics, Inc. · 2003K011747 · Palomar LC 100 Diode Laser · Palomar Medical Technologies, Inc. · 2001K982940 · Lightsheer Pulsed Diode Array Laser System · Star Medical Technologies, Inc. · 1999K973324 · Starlight Pulsed Diode Array Laser System · Star Medical Technologies, Inc. · 1997K963947 · Epilaser Normal Mode Ruby Laser · Spectrum Medical Technologies, Inc. · 1997K950019 · Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase LT-100;LT-100 · Thermolase Corp. · 1995−20−15−10−50
  1. Root · 20 generations backK950019 Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase…Thermolase Corp. · 1995
  2. 16 generations between
  3. 3 generations backK161428 PerfectSmoothShen Zhen Cosbeauty Co., Ltd. · 2017
  4. 2 generations backK181568 IPL Salon Hair Reduction SystemMedical Device Branch of Zhangzhou Easepal Industrial Co.,Lt · 2018
  5. 1 generation backK192432 IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119…Shenzhen Bosidin Technology Co., Ltd. · 2019
  6. This deviceK221553 Diamond Air+ (UI04A, UI04B, UI04C)Ulike Co., Ltd. · 2022
  7. Descendant · cites it directly · 0 of its ownK243030 Diamond Air+ (UI04A, UI04B, UI04C, UI04M, UI04G, UI04W)Ulike Co., Ltd. · 2024
Show all 20 generations
  1. Root · 20 generations backK950019 Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase…Thermolase Corp. · 1995
  2. 19 generations backK963947 Epilaser Normal Mode Ruby LaserSpectrum Medical Technologies, Inc. · 1997
  3. 18 generations backK973324 Starlight Pulsed Diode Array Laser SystemStar Medical Technologies, Inc. · 1997
  4. 17 generations backK982940 Lightsheer Pulsed Diode Array Laser SystemStar Medical Technologies, Inc. · 1999
  5. 16 generations backK011747 Palomar LC 100 Diode LaserPalomar Medical Technologies, Inc. · 2001
  6. 15 generations backK032846 Spectra Pulsed Diode Laser, Model DR-1Spectragenics, Inc. · 2003
  7. 14 generations backK052848 Spectra Hair Removal LaserSpectragenics, Inc. · 2005
  8. 13 generations backK060839 Abc Hair Removal SystemPalomar Medical Technologies, Inc. · 2006
  9. 12 generations backK072906 SILK'NHome Skinovations, Ltd. · 2008
  10. 11 generations backK082298 Flash N' GOHome Skinovations, Ltd. · 2008
  11. 10 generations backK090820 Tria Hair Removal Laser SystemSpectragenics, Inc. · 2009
  12. 9 generations backK103184 Silk'n Flash N GOHome Skinovations, Ltd. · 2010
  13. 8 generations backK121598 ME HAIR2GOSyneron Medical, Ltd. · 2012
  14. 7 generations backK123845 MESyneron Beauty, Ltd. · 2013
  15. 6 generations backK131649 MESyneron Beauty, Ltd. · 2013
  16. 5 generations backK143003 iPulse Smooth Skin Gold Hair Removal SystemIpulse Limited · 2015
  17. 4 generations backK160968 iPulse SmoothSkin Gold Hair Removal DeviceCyden Limited · 2016
  18. 3 generations backK161428 PerfectSmoothShen Zhen Cosbeauty Co., Ltd. · 2017
  19. 2 generations backK181568 IPL Salon Hair Reduction SystemMedical Device Branch of Zhangzhou Easepal Industrial Co.,Lt · 2018
  20. 1 generation backK192432 IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119…Shenzhen Bosidin Technology Co., Ltd. · 2019
  21. This deviceK221553 Diamond Air+ (UI04A, UI04B, UI04C)Ulike Co., Ltd. · 2022

Most influential descendants

Showing 1 of 1 · See all
  • K243030Diamond Air+ (UI04A, UI04B, UI04C, UI04M, UI04G, UI04W)Ulike Co., Ltd. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−20K950019Thermolase LT-100 ND:Yag Laser Hair Removal System; Thermolase LT-100;LT-100Thermolase Corp.1995—
−19K963947Epilaser Normal Mode Ruby LaserSpectrum Medical Technologies, Inc.1997—
−18K973324Starlight Pulsed Diode Array Laser SystemStar Medical Technologies, Inc.1997—
−17K982940Lightsheer Pulsed Diode Array Laser SystemStar Medical Technologies, Inc.1999—
−16K011747Palomar LC 100 Diode LaserPalomar Medical Technologies, Inc.2001—
−15K032846Spectra Pulsed Diode Laser, Model DR-1Spectragenics, Inc.2003—
−14K052848Spectra Hair Removal LaserSpectragenics, Inc.2005—
−13K060839Abc Hair Removal SystemPalomar Medical Technologies, Inc.2006—
−12K072906SILK'NHome Skinovations, Ltd.2008—
−11K082298Flash N' GOHome Skinovations, Ltd.2008—
−10K090820Tria Hair Removal Laser SystemSpectragenics, Inc.2009—
−9K103184Silk'n Flash N GOHome Skinovations, Ltd.2010—
−8K121598ME HAIR2GOSyneron Medical, Ltd.2012—
−7K123845MESyneron Beauty, Ltd.2013—
−6K131649MESyneron Beauty, Ltd.2013—
−5K143003iPulse Smooth Skin Gold Hair Removal SystemIpulse Limited2015—
−4K160968iPulse SmoothSkin Gold Hair Removal DeviceCyden Limited2016—
−3K161428PerfectSmoothShen Zhen Cosbeauty Co., Ltd.2017—
−2K181568IPL Salon Hair Reduction SystemMedical Device Branch of Zhangzhou Easepal Industrial Co.,Lt2018—
−1K192432IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119, D-1129…Shenzhen Bosidin Technology Co., Ltd.2019—
0 (this device)K221553Diamond Air+ (UI04A, UI04B, UI04C)Ulike Co., Ltd.2022—
+1K243030Diamond Air+ (UI04A, UI04B, UI04C, UI04M, UI04G, UI04W)Ulike Co., Ltd.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199210
199310
199620
199740
199840
199920
200040
200140
200220
200320
200510
200810
201110
201230
201340
201420
201810
201910
202210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K221553, 1995–2024Source: 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 OHT? 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 OHT device

  1. #1 K221002 IPL Hair Removal Device, Model (s): UI04A…score 36.1 · 20 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
*K213558IPL Hair Removal Device
Summary page 4
…21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code I K213558 I IPL Hair Removal Device IONF I K192432…
Ulike Co., Ltd.2022—
*K192432IPL Home Use Hair Removal Device Model (s): D-1128, D-1103, D-1119, D-1129, D-1130
Summary page 4
…Product Code I K213558 I IPL Hair Removal Device IONF I K192432 I IPL Home Use Hair Removal Device I OHT Device Desc…
Shenzhen Bosidin Technology Co., Ltd.2019—

Also cleared against K213558: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K243030Diamond Air+ (UI04A, UI04B, UI04C, UI04M, UI04G, UI04W)Ulike Co., Ltd.20240

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 27 years and passes through 14 companies; a new generation was cleared every 1.2 years on median.
  • 1 of the 62 ancestors has a recall of any class.
  • Of its descendants, K243030 (Ulike Co., Ltd., 2024) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K213558.

How does its category compare?

All OHT devices

OHT Light Based Over-The-Counter Hair Removal: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · OHT

25in 2025

2010: 12012: 12013: 22014: 42015: 22016: 32017: 62018: 82019: 72020: 12021: 122022: 252023: 322024: 262025: 252026 (partial year): 11
2007high 32 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OHT

87in 2025

2014: 166 days median2016: 81 days median2017: 87 days median2018: 89 days median2019: 64 days median2021: 89 days median2022: 70 days median2023: 83 days median2024: 62 days median2025: 87 days median2026 (partial year): 84 days median
2007high 166 (2014) · low 62 (2024)2026

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

Recalls per year · OHT

No recall names OHT since 2007.

Adverse event reports per year · OHT

6in 2025

2015: 12016: 22019: 22020: 32021: 12022: 22023: 62025: 6
2007high 6 (2023) · low 0 (2007)2025

MAUDE reports naming product code OHT, 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
20070—00
20080—00
20090—00
20101—00
20110—00
20121—00
20132—00
2014416600
20152—01
201638102
201768700
201888900
201976402
20201—03
2021128901
2022257002
2023328306
2024266200
2025258706
202611840—

What is it indicated for?

Diamond Air+ is an over-the-counter device intended for removal of unwanted body and/or facial hair. The device is also indicated for the permanent reduction in hair regrowth, defined as the long-term, stable reduction in the number of hairs regrowing when measured at 6, 9 and 12 months after the completion of a treatment regime.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221553: Diamond Air+ (UI04A, UI04B, UI04C).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221553

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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