510(k) Report

510(k) · Cleared

Cleared

LOYON

K162217510(k) TraditionalCleared Mar 23, 2017227-day reviewClass U

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

Oculus Innovative Sciences · FRO Dressing, Wound, Drug

Cleared on Mar 23, 2017 as substantially equivalent to K152945 (Oculus Innovative Sciences, 2015) and 1 other predicate after a 227-day review. Its family tree reaches back 8 generations to 1983.

Decided
Mar 23, 2017
Review
227 days
Class
Class U
Product code
FRO
Recalls
None
Predicates
2

Its longest line of descent runs back 8 generations to K830708 (1983). 26 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK830708 Duo Derm Flex Hydroactive Dressings &Convatec, A Division of E.R. Squibb & Sons · 1983
  2. 7 generations backK984413 Bionect HydrogelFidia Pharmaceutical Corp. · 1999
  3. 6 generations backK020325 L.a.M. Ipm Wound GelL.A.M. Pharmaceutical, Corp. · 2002
  4. 5 generations backK090725 Oculus Microcyn Wound GelOculus Innovative Sciences, Inc. · 2009
  5. 4 generations backK093585 Microcyn Skin and Wound HydrogelOculus Innovative Sciences, Inc. · 2010 · Recalled
  6. 3 generations backK102945 Pediacyn Atopic Dermatitis HydrogelOculus Innovative Sciences, Inc. · 2011
  7. 2 generations backK143590 Alevicyn SG Antipruritic GelOculus Innovative Sciences · 2015
  8. 1 generation backK152945 Alevicyn SG Antipruritic GelOculus Innovative Sciences · 2015
  9. This deviceK162217 LOYONOculus Innovative Sciences · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K830708Duo Derm Flex Hydroactive Dressings &Convatec, A Division of E.R. Squibb & Sons1983—
−7K984413Bionect HydrogelFidia Pharmaceutical Corp.1999—
−6K020325L.a.M. Ipm Wound GelL.A.M. Pharmaceutical, Corp.2002—
−5K090725Oculus Microcyn Wound GelOculus Innovative Sciences, Inc.2009—
−4K093585Microcyn Skin and Wound HydrogelOculus Innovative Sciences, Inc.20101
−3K102945Pediacyn Atopic Dermatitis HydrogelOculus Innovative Sciences, Inc.2011—
−2K143590Alevicyn SG Antipruritic GelOculus Innovative Sciences2015—
−1K152945Alevicyn SG Antipruritic GelOculus Innovative Sciences2015—
0 (this device)K162217LOYONOculus Innovative Sciences2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199210
199410
199520
199610
199710
199910
200310
200510
200610
200810
200920
201110
201220
201310
FIG. 1 — Lineage of K162217, 1983–2017Source: 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
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
*K152945Alevicyn SG Antipruritic Gel
Summary page 4
…tory Class: Unclassified, Pre-amendment status Product Code: FRO III. PREDICATE DEVICES Alevicyn SG Antipruritic Gel manufactured by Oculus Innovative Sciences (K152945) Tropazone manufactured by Akorn Phamaceuticals (K090337) IV. DEVICE DESCRIPTION LOYON® is a non-sterile, oily solution…
Oculus Innovative Sciences2015—
*K090337Tropazone Lotion
Summary page 4
…de: FRO III. PREDICATE DEVICES Alevicyn SG Antipruritic Gel manufactured by Oculus Innovative Sciences (K152945) Tropazone manufactured by Akorn Phamaceuticals (K090337) IV. DEVICE DESCRIPTION LOYON® is a non-sterile, oily solution, exclusively indicated for topical application. LOYON® i…
Midlothian Laboratories2009—

Also cleared against K152945: 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 34 years and passes through 5 companies; a new generation was cleared every 3.2 years on median.
  • 1 of the 26 ancestors has a recall of any class.
  • 1 other device also cites its predicate K152945.

How does its category compare?

All FRO devices

FRO Dressing, Wound, Drug: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, 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 Indication: Under the supervision of a health care professional, LOYON is indicated to manage and relieve the burning, itching, erythema, and scaling experienced with various types of dermatoses, including atopic dermatitis, radiation dermatitis, and seborrhea and seborrheic dermatitis.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K162217: LOYON.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162217

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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