510(k) Report

510(k) · Cleared

Cleared

Silkn Blue

K121435510(k) TraditionalCleared Feb 22, 2013284-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

Home Skinovations, Ltd. · OLP Over-The-Counter Powered Light Based Laser For Acne

Cleared on Feb 22, 2013 as substantially equivalent to K060653 (Dermacare, Inc., 2006) and 3 other predicates after a 284-day review. Its family tree reaches back 10 generations to 1995. 125 later devices descend from it.

Decided
Feb 22, 2013
Review
284 days
Class
Class II
Product code
OLP
Recalls
None
Predicates
4

Its longest line of descent runs back 10 generations to K943450 (1995). 96 ancestors in all, the oldest K800617 (1980). 125 later devices descend from it, 8 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 1 other ancestor2008: 1 other ancestor2006: 1 other ancestor2007: 2 other ancestors2005: 2 other ancestors2003: 3 other ancestors2002: 3 other ancestors1998: 9 other ancestors2001: 1 other ancestor2000: 5 other ancestors1999: 4 other ancestors1996: 12 other ancestors1995: 9 other ancestors1997: 13 other ancestors1994: 8 other ancestors1993: 3 other ancestors1991: 3 other ancestors1990: 1 other ancestor1980: 1 other ancestor1992: 3 other ancestors1985: 1 other ancestor2015: 3 descendants cleared2017: 3 descendants cleared2018: 6 descendants cleared2016: 3 descendants cleared2014: 1 descendant cleared2023: 12 descendants cleared2020: 1 descendant cleared2021: 8 descendants cleared2024: 14 descendants cleared2022: 10 descendants cleared2019: 3 descendants cleared2026: 20 descendants cleared2025: 41 descendants clearedK943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995×2: 2 generations cleared close together, K961069 (1996), K962445 (1996) ×2: 2 generations cleared close together, K964849 (1997), K971532 (1997) K974521 · Vnus Closure System · Vnus Medical Technologies, Inc. · 1998K982816 · Vnus Closure System · Vnus Medical Technologies, Inc. · 1999K022266 · Aurora SR · Syneron Medical, Ltd. · 2002K030426 · Omnilux Red · Photo Therapeutics Limited · 2003K081307 · Omnilux Clear-U · Photo Therapeutics, Inc. · 200919801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors2 generations back: 6 other ancestors3 generations back: 5 other ancestors4 generations back: 13 other ancestors5 generations back: 25 other ancestors6 generations back: 18 other ancestors7 generations back: 14 other ancestors8 generations back: 2 other ancestors 1 generation forward: 8 descendants2 generations forward: 17 descendants3 generations forward: 29 descendants4 generations forward: 29 descendants5 generations forward: 23 descendants6 generations forward: 15 descendants7 generations forward: 3 descendants8 generations forward: 1 descendant K081307 · Omnilux Clear-U · Photo Therapeutics, Inc. · 2009K030426 · Omnilux Red · Photo Therapeutics Limited · 2003K022266 · Aurora SR · Syneron Medical, Ltd. · 2002K982816 · Vnus Closure System · Vnus Medical Technologies, Inc. · 1999K974521 · Vnus Closure System · Vnus Medical Technologies, Inc. · 1998K971532 · Arthrocare Electrosurgery System · Arthrocare Corp. · 1997K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K962445 · Arthrocare Dental Electrosurgery System · Arthrocare Corp. · 1996K961069 · Arthrocare Urologic Multi-Electrode Electrosurgery System · Arthrocare Corp. · 1996K943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995−10−50+5
  1. Root · 10 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 6 generations between
  3. 3 generations backK022266 Aurora SRSyneron Medical, Ltd. · 2002
  4. 2 generations backK030426 Omnilux RedPhoto Therapeutics Limited · 2003
  5. 1 generation backK081307 Omnilux Clear-UPhoto Therapeutics, Inc. · 2009
  6. This deviceK121435 Silkn BlueHome Skinovations, Ltd. · 2013
  7. Descendant · cites it directly · 81 of its ownK131461 Lightstim for Acne/ Lightstim for Acne MiniLed Intellectual Properties, LLC · 2014
  8. Descendant · cites it directly · 75 of its ownK162098 LED Phototherapy DeviceLi-Tek Electronic Technology Corporation · 2017
  9. Descendant · 2 generations on · 58 of its ownK171821 2 Face / Face EvolutionHeat IN A Click · 2018
  10. Descendant · 2 generations on · 55 of its ownK142246 LightStim for Acne/ LightStim for Acne MiniLed Intellectual Properties, LLC · 2015
  11. Descendant · cites it directly · 52 of its ownK172555 Sapphire, Elevare SapphireOmm Imports, Inc. D/B/A Zero Gravity · 2018
Show all 10 generations
  1. Root · 10 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 9 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 8 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 7 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 6 generations backK971532 Arthrocare Electrosurgery SystemArthrocare Corp. · 1997
  6. 5 generations backK974521 Vnus Closure SystemVnus Medical Technologies, Inc. · 1998
  7. 4 generations backK982816 Vnus Closure SystemVnus Medical Technologies, Inc. · 1999
  8. 3 generations backK022266 Aurora SRSyneron Medical, Ltd. · 2002
  9. 2 generations backK030426 Omnilux RedPhoto Therapeutics Limited · 2003
  10. 1 generation backK081307 Omnilux Clear-UPhoto Therapeutics, Inc. · 2009
  11. This deviceK121435 Silkn BlueHome Skinovations, Ltd. · 2013

Showing 5 of 125 descendants. See all descendants

Descendants cleared per year

2014: 12015: 32016: 32017: 32018: 62019: 32020: 12021: 82022: 102023: 122024: 142025: 412026: 20
2014high 41 (2025) · low 1 (2014)2026

Most influential descendants

Showing 5 of 125 · See all
  • K131461Lightstim for Acne/ Lightstim for Acne MiniLed Intellectual Properties, LLC · 2014 · cites it directly81descendants
  • K162098LED Phototherapy DeviceLi-Tek Electronic Technology Corporation · 2017 · cites it directly75descendants
  • K1718212 Face / Face EvolutionHeat IN A Click · 2018 · 2 generations on58descendants
  • K142246LightStim for Acne/ LightStim for Acne MiniLed Intellectual Properties, LLC · 2015 · 2 generations on55descendants
  • K172555Sapphire, Elevare SapphireOmm Imports, Inc. D/B/A Zero Gravity · 2018 · cites it directly52descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−9K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−8K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−7K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−6K971532Arthrocare Electrosurgery SystemArthrocare Corp.1997—
−5K974521Vnus Closure SystemVnus Medical Technologies, Inc.1998—
−4K982816Vnus Closure SystemVnus Medical Technologies, Inc.1999—
−3K022266Aurora SRSyneron Medical, Ltd.2002—
−2K030426Omnilux RedPhoto Therapeutics Limited2003—
−1K081307Omnilux Clear-UPhoto Therapeutics, Inc.2009—
0 (this device)K121435Silkn BlueHome Skinovations, Ltd.2013—
+1K131461Lightstim for Acne/ Lightstim for Acne MiniLed Intellectual Properties, LLC2014—
+1K162098LED Phototherapy DeviceLi-Tek Electronic Technology Corporation2017—
+2K1718212 Face / Face EvolutionHeat IN A Click2018—
+2K142246LightStim for Acne/ LightStim for Acne MiniLed Intellectual Properties, LLC2015—
+1K172555Sapphire, Elevare SapphireOmm Imports, Inc. D/B/A Zero Gravity2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198510
199010
199130
199230
199330
199480
199590
1996120
1997130
199890
199940
200050
200110
200230
200330
200520
200610
200720
200810
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
201530
201630
201730
201860
201930
202010
202180
2022100
2023120
2024140
2025410
2026200
FIG. 1 — Lineage of K121435, 1995–2026Source: 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 OLP? 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 OLP device

  1. #1 K214103 Shani Darden LED light therapy maskscore 25.5 · 16 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? (4)

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
*K060653Thermaclear
Summary page 1
…wered light based laser for Acne, 21 CFR 878.4810 Product code: OLP Predicate devices * ThermaClearby DermaCarelInc. K060653. * Quasar Blue Light Therapy System by Silver Bay LLC, K093963. * Tanda Skincare System, by Pharos Life Corporation,…
Dermacare, Inc.2006—
*K093963Quasar Blue Light Therapy System
Summary page 1
…R 878.4810 Product code: OLP Predicate devices * ThermaClearby DermaCarelInc. K060653. * Quasar Blue Light Therapy System by Silver Bay LLC, K093963. * Tanda Skincare System, by Pharos Life Corporation, K080591 * Omni Lux New-U, by Photo Therapeutics Inc, K08 13 07.…
Silver Bay, LLC2010—
*K080591Tanda Skincare System, Model: Ptscs
Summary page 1
…ThermaClearby DermaCarelInc. K060653. * Quasar Blue Light Therapy System by Silver Bay LLC, K093963. * Tanda Skincare System, by Pharos Life Corporation, K080591 * Omni Lux New-U, by Photo Therapeutics Inc, K08 13 07. Intended use: The Silkn Blue is indicated as an over the counter…
Pharos Life Corporation2008—
*K081307Omnilux Clear-U
Summary page 1
…ue Light Therapy System by Silver Bay LLC, K093963. * Tanda Skincare System, by Pharos Life Corporation, K080591 * Omni Lux New-U, by Photo Therapeutics Inc, K08 13 07. Intended use: The Silkn Blue is indicated as an over the counter phototherapy device for the treatment of mild to moderate ac…
Photo Therapeutics, Inc.2009—

Also cleared against K060653: 4 other devices →

What descends from it? (125)

See all 125

8 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K131461Lightstim for Acne/ Lightstim for Acne MiniLed Intellectual Properties, LLC201481
K162098LED Phototherapy DeviceLi-Tek Electronic Technology Corporation201775
K172555Sapphire, Elevare SapphireOmm Imports, Inc. D/B/A Zero Gravity201852
K153081Clear Bi-LightMichael Todd, LP201646
K180320dpl IIa PanelLed Technologies, Inc.201814
K162652Smart Photon Micro-current Device, Model: EP-300Li-Tek Electronic Technology Corporation201710
K152889Sonilase Blue, Sonilase Blue-Clean, Sonilase Blue-UV Clean PlusBiorenew Labs, LLC20153
K143713Lustre PRO Light SystemAmbicare Health, Ltd.20162

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 18 years and passes through 6 companies; a new generation was cleared every 1.1 years on median.
  • 3 of the 96 ancestors have a recall of any class.
  • Of its descendants, K131461 (Led Intellectual Properties, LLC, 2014) has gone furthest, with 81 descendants of its own.
  • 4 other devices also cite its predicate K060653.

How does its category compare?

All OLP devices

OLP Over-The-Counter Powered Light Based Laser For Acne: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · OLP

3in 2025

2009: 12010: 32012: 22013: 32014: 32015: 32016: 62017: 42018: 52019: 22020: 12021: 62022: 52023: 32025: 32026 (partial year): 1
2007high 6 (2016) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLP

88in 2025

2010: 247 days median2013: 245 days median2014: 255 days median2015: 159 days median2016: 99 days median2017: 151 days median2018: 104 days median2021: 260 days median2022: 245 days median2023: 109 days median2025: 88 days median
2007high 260 (2021) · low 88 (2025)2026

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

Recalls per year · OLP

4in 2017

2017: 4
2007high 4 (2017) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · OLP

1in 2025

2014: 12016: 12017: 12018: 72019: 192020: 82021: 72022: 12023: 22024: 12025: 1
2007high 19 (2019) · low 0 (2007)2025

MAUDE reports naming product code OLP, 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
20091—00
2010324700
20110—00
20122—00
2013324500
2014325501
2015315900
201669901
2017415141
2018510407
20192—019
20201—08
2021626007
2022524501
2023310902
20240—01
202538801
20261—0—

What is it indicated for?

The Silkn Blue is indicated as an over the counter phototherapy device for the

treatment of mild to moderate acne.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K121435: Silkn Blue.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121435

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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