510(k) Report

510(k) · Cleared

Cleared

Microcyn Antimicrobial Hydrogel

K173896510(k) TraditionalCleared Apr 2, 2018101-day reviewClass U

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

Sonoma Pharmaceuticals, Inc. · FRO Dressing, Wound, Drug

Cleared on Apr 2, 2018 as substantially equivalent to K153648 (Oculus Innovative Sciences, 2016) and 1 other predicate after a 101-day review. Its family tree reaches back 10 generations to 1992.

Decided
Apr 2, 2018
Review
101 days
Class
Class U
Product code
FRO
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to K914579 (1992). 58 ancestors in all, the oldest K830708 (1983). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2016: 1 other ancestor2015: 2 other ancestors2010: 1 other ancestor2009: 3 other ancestors2013: 2 other ancestors2012: 2 other ancestors2011: 2 other ancestors1996: 1 other ancestor1995: 4 other ancestors1994: 1 other ancestor1992: 1 other ancestor1990: 1 other ancestor2006: 3 other ancestors2005: 1 other ancestor2003: 1 other ancestor2002: 3 other ancestors2004: 1 other ancestor2001: 3 other ancestors1999: 4 other ancestors1997: 4 other ancestors2008: 1 other ancestor1998: 2 other ancestors1983: 1 other ancestor1993: 1 other ancestor1989: 2 other ancestorsK914579 · Silver Foam Wound Dressing · Vitaphore Corp. · 1992K955453 · Acticoat Silver Coated Dressing · Westaim Technologies, Inc. · 1996K981299 · Silverlon Contact Wound Dressing · Argentum International, LLC · 1998K023612 · Silverlon Contact Wound Dressing · Argentum International, LLC · 2003K063069 · Silvaklenz Skin and Wound Clenser Solution · Medical Molecular Therapuetics, LLC · 2007K073547 · Anasept Antimicrobial Skin and Wound Cleansers; Anasept Antimicrobial Skin and Wound Gel · Anacapa Technologies, Inc. · 2008K101882 · Prontosan Antimicrobial Wound Gel · B.Braun Medical, Inc. · 2010K141863 · Puricore Wound Hydrogel Spray Dressing · Puricore, Inc. · 2015K150799 · Puracyn (R) Plus Duo-Care (TM) Antimicrobial Wound & Skin Hydrogel, Puracyn (R) Plus Antimicrobial Hydrogel Professional Formula · Innovacyn, Inc. · 2015K171935 · Alevicyn SG Antimicrobial Gel · Sonoma Pharmaceuticals, Inc. · 201719801990200020102020
  1. Root · 10 generations backK914579 Silver Foam Wound DressingVitaphore Corp. · 1992
  2. 6 generations between
  3. 3 generations backK141863 Puricore Wound Hydrogel Spray DressingPuricore, Inc. · 2015
  4. 2 generations backK150799 Puracyn (R) Plus Duo-Care (TM) Antimicrobial Wound & Skin Hydrogel…Innovacyn, Inc. · 2015
  5. 1 generation backK171935 Alevicyn SG Antimicrobial GelSonoma Pharmaceuticals, Inc. · 2017
  6. This deviceK173896 Microcyn Antimicrobial HydrogelSonoma Pharmaceuticals, Inc. · 2018
Show all 10 generations
  1. Root · 10 generations backK914579 Silver Foam Wound DressingVitaphore Corp. · 1992
  2. 9 generations backK955453 Acticoat Silver Coated DressingWestaim Technologies, Inc. · 1996
  3. 8 generations backK981299 Silverlon Contact Wound DressingArgentum International, LLC · 1998
  4. 7 generations backK023612 Silverlon Contact Wound DressingArgentum International, LLC · 2003
  5. 6 generations backK063069 Silvaklenz Skin and Wound Clenser SolutionMedical Molecular Therapuetics, LLC · 2007
  6. 5 generations backK073547 Anasept Antimicrobial Skin and Wound Cleansers; Anasept…Anacapa Technologies, Inc. · 2008
  7. 4 generations backK101882 Prontosan Antimicrobial Wound GelB.Braun Medical, Inc. · 2010
  8. 3 generations backK141863 Puricore Wound Hydrogel Spray DressingPuricore, Inc. · 2015
  9. 2 generations backK150799 Puracyn (R) Plus Duo-Care (TM) Antimicrobial Wound & Skin Hydrogel…Innovacyn, Inc. · 2015
  10. 1 generation backK171935 Alevicyn SG Antimicrobial GelSonoma Pharmaceuticals, Inc. · 2017
  11. This deviceK173896 Microcyn Antimicrobial HydrogelSonoma Pharmaceuticals, Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K914579Silver Foam Wound DressingVitaphore Corp.1992—
−9K955453Acticoat Silver Coated DressingWestaim Technologies, Inc.1996—
−8K981299Silverlon Contact Wound DressingArgentum International, LLC1998—
−7K023612Silverlon Contact Wound DressingArgentum International, LLC2003—
−6K063069Silvaklenz Skin and Wound Clenser SolutionMedical Molecular Therapuetics, LLC2007—
−5K073547Anasept Antimicrobial Skin and Wound Cleansers; Anasept Antimicrobial Skin and…Anacapa Technologies, Inc.2008—
−4K101882Prontosan Antimicrobial Wound GelB.Braun Medical, Inc.2010—
−3K141863Puricore Wound Hydrogel Spray DressingPuricore, Inc.2015—
−2K150799Puracyn (R) Plus Duo-Care (TM) Antimicrobial Wound & Skin Hydrogel, Puracyn…Innovacyn, Inc.2015—
−1K171935Alevicyn SG Antimicrobial GelSonoma Pharmaceuticals, Inc.2017—
0 (this device)K173896Microcyn Antimicrobial HydrogelSonoma Pharmaceuticals, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198310
198920
199010
199210
199310
199410
199540
199610
199740
199820
199940
200130
200230
200310
200410
200510
200630
200810
200930
201010
201120
201220
201320
201520
201610
FIG. 1 — Lineage of K173896, 1992–2018Source: 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 FRO? 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 FRO device

  1. #1 K261023 Microdacyn Wound Irrigation Solutionscore 15.5 · 14 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K153648Microcyn Plus Skin and Wound Hydrogel
Summary page 4
…Wound, Drug Regulatory Class: Unclassified Product Code: FRO III. PREDICATE DEVICE Microcyn Plus Skin and Wound Gel manufactured by Oculus Innovative Sciences (K153648) and Alevicyn SG Antimicrobial Gel by Sonoma Pharmaceuticals, Inc., (K171935) IV. DEVICE DESCRIPTION The Microcyn Antim…
Oculus Innovative Sciences2016—
*K171935Alevicyn SG Antimicrobial Gel
Summary page 4
…EDICATE DEVICE Microcyn Plus Skin and Wound Gel manufactured by Oculus Innovative Sciences (K153648) and Alevicyn SG Antimicrobial Gel by Sonoma Pharmaceuticals, Inc., (K171935) IV. DEVICE DESCRIPTION The Microcyn Antimicrobial Hydrogel is a clear hydrogel, slightly chlorinated odor, viscous gel…
Sonoma Pharmaceuticals, Inc.2017—

Also cleared against K153648: 1 other device →

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 26 years and passes through 9 companies; a new generation was cleared every 2.5 years on median.
  • 1 of the 58 ancestors has a recall of any class.
  • 1 other device also cites its predicate K153648.

How does its category compare?

All FRO devices

FRO Dressing, Wound, Drug: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FRO

11in 2025

2007: 292008: 262009: 312010: 312011: 272012: 242013: 192014: 222015: 282016: 282017: 232018: 202019: 162020: 122021: 82022: 92023: 182024: 242025: 112026 (partial year): 17
2007high 31 (2009) · low 8 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FRO

176in 2025

2007: 187 days median2008: 130 days median2009: 136 days median2010: 146 days median2011: 177 days median2012: 96 days median2013: 194 days median2014: 214 days median2015: 249 days median2016: 222 days median2017: 147 days median2018: 206 days median2019: 270 days median2020: 226 days median2021: 275 days median2022: 332 days median2023: 283 days median2024: 263 days median2025: 176 days median2026 (partial year): 254 days median
2007high 332 (2022) · low 96 (2012)2026

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

Recalls per year · FRO

2in 2024

2007: 42008: 12009: 12011: 42013: 12014: 12015: 22016: 32017: 12019: 12021: 62022: 22023: 2, 2 Class I2024: 22026 (partial year): 2
2007high 6 (2021) · low 0 (2010)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · FRO

192in 2025

2007: 552008: 302009: 452010: 1222011: 422012: 652013: 1392014: 2692015: 2972016: 1472017: 1492018: 1282019: 1362020: 1392021: 1832022: 1762023: 1982024: 2322025: 192
2007high 297 (2015) · low 30 (2008)2025

MAUDE reports naming product code FRO, 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
200729187455
200826130130
200931136145
2010311460122
201127177442
20122496065
2013191941139
2014222141269
2015282492297
2016282223147
2017231471149
2018202060128
2019162701136
2020122260139
202182756183
202293322176
2023182832 (2)198
2024242632232
2025111760192
2026172542—

What is it indicated for?

Rx: Under the supervision of a health care professional Microcyn Antimicrobial Hydrogel is intended for the management of post non ablative laser therapy procedures, post microdermabrasion therapy and following superficial chemical peels. Microcyn Antimicrobial Hydrogel may also be used to relieve itch and pain from minor skin irritations, lacerations, abrasions and minor burns. OTC: Microcyn Antimicrobial Hydrogel is intended for the management of minor…

Read the full statement (100 words)

Rx: Under the supervision of a health care professional Microcyn Antimicrobial Hydrogel is intended for the management of post non ablative laser therapy procedures, post microdermabrasion therapy and following superficial chemical peels. Microcyn Antimicrobial Hydrogel may also be used to relieve itch and pain from minor skin irritations, lacerations, abrasions and minor burns.

OTC: Microcyn Antimicrobial Hydrogel is intended for the management of minor skin irritations following post non ablative laser therapy procedures, microdermabrasion therapy or superficial chemical peels. Microcyn Antimicrobial Hydrogel may also be used to relieve itch and pain from minor skin irritations, lacerations, abrasions and minor burns.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173896: Microcyn Antimicrobial Hydrogel.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173896

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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