Knee comfort patch — 8-hour sustained release, 5-pack
8-hour sustained-release knee-area patch, 5-pack.
- Line AcuCrystal™ line fact-sheet
- Audience Consumer & aging
- Technology Topical
- Dosage form Patches
- Status Pilot-ready
Where it fits
Consumer & aging program. An eight-hour comfort patch for knee-area stiffness days.
Wear-time does the work quietly under clothing — no mess, no residue, no interruption.
Sample kits in 3–5 days, pilots from 500 units, brand-side artwork supported through the OBM program.
Specifications
| Item | Value |
|---|---|
| Patch | Sustained-release matrix patch |
| Wear window | Up to 8 h per patch |
| Pack | 5 patches per box |
| Vesicle size (NTA) | 80–150 nm |
| QC panel | NTA, TEM, endotoxin (LAL), sterility / microbial limits; batch COA |
| Storage | Material line: −20 °C up to 60 days / −80 °C up to 360 days; finished goods per program |
| Compliance (material line) | FDA DMF Type II 044197 · INCI 41316 · China national standard (drafting) |
| Typical program | Pilot from 500 units · production from 2,000 units · standard lead 15 workdays |
Specifications are indicative pending batch COA release data; final values follow the batch COA and quotation.
What's included
- 5 patches per box (sample pack)
- Wear guide
How to use
- Apply to clean, dry skin at the target area
- Wear up to 8 h
- Peel off and hydrate the area afterwards
Quality & compliance
- Material chain — FDA DMF Type II 044197 and INCI 41316 on the EV material line; batch COAs travel with every shipment.
- Closed line — EV material produced on the fully enclosed 0.5–5 L micro-batch platform.
- Claim discipline — routine-and-experience wording only; efficacy references stay in internal observational files with journal citations.
About the AcuCrystal™ line
AcuCrystal™ is TONGNIAN's transdermal patch line: joint- and shoulder-comfort patches with sustained EV release, built for senior and midlife comfort programs. The AcuCrystal™ line fact-sheet lists every dosage form, the characterization baseline and the filing status in one place; this page documents a single program from that line.
Start a pilot for Knee comfort patch — 8-hour sustained release, 5-pack.
Share your brand stage and target category, and we’ll return sample specs, an MOQ framework, and characterization samples (typical: sample kits in 3–5 days); to review the full-line design first, head to Knowledge · Solutions.