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re:tones PRO-5D Nano Cartridge 3-Pack for the Tap Pen
- It fits the re:tones Skin Rejuvenation Tap Pen Device. The same seat as the cartridge that came in the box.
- Sterile, in a sealed pouch. You are the first thing that opens it. One session, then it is a used part.
- You set two things. Depth on the device collar, 0.5 to 1.5 mm. Flow on the cartridge, three positions.
Faulty: full refund, shipping on us. Changed your mind: 30 days if the seal is intact and you pay the shipping. Once opened it cannot be returned.
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The other cartridges
In plain terms
Three PRO-5D Nano cartridges, and nothing else in the box.
PRO-5D Nano is the everyday tip. An 8 µm needle on a square plate, set at 45 degrees inside the round housing.
A cartridge is sterile once. Then it is a used part. One per session, so three is three sessions.
Each cartridge arrives sealed in its own pouch, marked PRO-5D on the front.
Specifications
- Fits
- the re:tones Skin Rejuvenation Tap Pen Device.
- In the box
- three PRO-5D Nano cartridges.
- Needle diameter
- 8 µm. re:tones 5D Nano-Needle Array.
- Array
- square plate, set at 45 degrees inside the round housing.
- Depth travel
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0.5 to 1.5 mm, set on the device collar.
0.5mm 1.5mm
- Flow
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three positions, set on the cartridge itself.
- Materials
- silicon, metal and polymer.
- Sterility
- sterile and single use, in sealed pouches. Open one when you are ready to use it.
- Replace
- one cartridge per session, once a week. Never reused, never shared.
- Origin
- made in Korea.
Which tip to use
Setting it
Depth is on the device collar, not on the cartridge. It moves freely between 0.5 and 1.5 mm with no stops to click through. The three flow positions are on the cartridge itself.
The part
A square plate, turned forty five degrees.
Both tips seat on the same device and travel the same 0.5 to 1.5 mm. What changes is the plate at the tip and the tip standing on it. This one is the square plate, set at 45 degrees inside the round housing, carrying the 8 µm tip.
The plate
- PRO-R NanoCircular arrayThe other tip
- PRO-5D NanoSquare plate at 45°This cartridge
The tip
- 15 µmPRO-R Nano tip
- 8 µmPRO-5D Nano tip
Neither tip is claimed to work better than the other. Start on PRO-R Nano and keep it for the eye area and anywhere the skin is thin. PRO-5D Nano is the everyday tip once your settings are familiar.
How the tip is made
Too fine to mold. So it is etched from silicon.
The finest a mold can hold is about the width of a hair. The tip is 8 µm, roughly a tenth of that limit.
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1
A mold could not hold it.
A molded polymer needle is stated to stop at 70 to 100 µm. Nothing this fine comes out of a mold.
70 to 100 µmFinest a mold holds
-
2
So it is etched from silicon.
Photolithography draws the pattern, then deep reactive ion etching cuts it out of silicon stated at 99.9999 percent. It is a semiconductor process, run in an ISO Class 5 cleanroom.
99.9999%Silicon purity, stated
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3
The limit was found, not chosen.
A simulation ran 14 diameters from 3 µm to 120 µm across more than 200 geometries. Below about 5 µm the needle buckles at the force needed to enter.
200+Geometries simulated
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4
It holds for the session it is built for.
One needle enters at 0.008 newtons and carries 4.75 times the load that would bend it. It holds that shape for one session, then the cartridge is finished.
4.75xBuckling margin
Fabrication, force and margin figures come from the manufacturer's engineering document, covering work dated 2024 to 2026. Tip diameters are manufacturing specifications. The array is etched from silicon at a stated 99.9999 percent. The surface over it is silicon nitride, about 120 nm. Every figure and its basis is listed on the science page.
- PRO-5D8 µm
What arrives
Sealed until you open it.
One PRO-5D Nano cartridge in a sealed pouch, marked PRO-5D on the front. Open it when you are ready to use it.
- One per session
- One cartridge goes on for a session and comes off at the end of it.
- Once a week
- The cadence the device is used on.
- Never reused
- The seal is what carries the sterility. Once the pouch is open it is a used part, and it is never shared.
Before you buy.
The questions we actually get, answered without a sales pitch.
Not your question? Write to us at support@re-tones.com
How long does a three pack last?
Three sessions, which is about three weeks at one a week. Order the next pack while you still have one left.
Can I use both tips in one session?
Yes. Fit the round tip for the eye area, then change to the square one for the rest of the face. That is two cartridges in a session, not one.
Will it fit a device that is not the Tap Pen?
No. The seat is specific to the re:tones Skin Rejuvenation Tap Pen Device. It is the same seat as the cartridge that came in the box.
What if a pouch arrives already open?
Do not use it. Send us a photograph and we replace the pack, with shipping on us.
Can I use one twice if it still looks new?
No. The seal is what makes it sterile, so once the pouch is open the cartridge is a used part. That is the whole reason it ships this way.
5.0
12 reviews
- 5 12
- 4 0
- 3 0
- 2 0
- 1 0
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SkinCareSarah
Same quality as the ones that came with the device
These are identical to the cartridges that came in the box with my MTS — same sterile sealed pouches, same sharp needles, same smooth click-in fit. I use one cartridge per weekly session and this 3-pack lasts me 3 weeks perfectly. The PRO-5D is my everyday go-to for cheeks and forehead, and the PRO-R is perfect for the delicate eye area. Already on the subscription so I never run out.
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minimalist.mike
Subscription is a no-brainer
At $24.49 on the subscription with free shipping it's basically $8 per treatment. That's insane value for at-home microneedling. The cartridges arrive on time, always sealed and sterile. Cancelled my derma clinic appointments. This is so much more affordable.
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DermaJunkie
Needles are incredibly fine
The 8-micrometer needles on the PRO-5D are unbelievably fine. You barely feel anything during the treatment. Each cartridge comes individually sealed in a foil pouch which makes me feel good about sterility. They click into the device effortlessly. I go through about a pack a month and the quality has been consistent every single time. No dull needles, no defects.
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rachelxo
Great refills
Good quality, easy to swap in. Needles feel sharp and fresh every time. I wish you could buy just the PRO-5D ones separately since I use those way more, but the pack is still a great deal.
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jennkim92
Never reuse, just reorder
I love that these are single-use. No worrying about bacteria buildup or dull needles. Pop open a fresh sterile pouch, click it in, do my treatment, toss it. The 3-pack keeps me going for 3 weeks and I just have it on auto-delivery. Couldn't be easier.
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freshface_fran
The PRO-R is a game changer for sensitive areas
I was only using the PRO-5D for everything but started using the PRO-R Nano around my eyes and on my neck where the skin is thinner. The 15-micrometer needles are gentler and the circular array feels softer on delicate skin. So glad they include one in every pack. The combo of two PRO-5D and one PRO-R is the perfect ratio for how I use them.
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alex_nyc
Consistent quality
On my fourth 3-pack now. Every single cartridge has been perfectly sealed, sharp, and clicks into the device smoothly. Zero issues. The flow control positions on the cartridge are a nice detail too — lets you adjust how much serum dispenses. Great product.
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themaborges
So much cheaper than the clinic
I used to pay $150-300 per professional microneedling session monthly. Now I pay $24.49 for a 3-pack subscription and do it myself weekly with better results honestly. Each cartridge is fresh and sterile, the needles are medical-grade quality, and the treatment takes 5 minutes. The math isn't even close.
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ClearSkinClub
Good quality cartridges
Sterile packaging, needles feel sharp, clicks in easily. Does what it's supposed to. Would be nice if the pack came with two PRO-R instead of one for those of us with sensitive skin, but still a solid product and good value.
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SkincareWithSoo
Hygienic and convenient
The individually sealed pouches give me so much peace of mind. You know the cartridge is completely sterile until you open it. I use one per session, never reuse, and my skin stays clear with zero irritation or breakouts from the treatments. The subscription auto-delivery is convenient — I just set it and forget it. Three weeks later a fresh pack shows up.
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NathanR
Easy to swap, always sharp
Swapping cartridges takes about 2 seconds — just pull off the old one and click in the new one. The needles feel just as sharp as the originals that came with the device. I appreciate that they're made in Korea to the same standard. On the subscription plan so I always have a fresh pack ready to go. Great value at 30% off.
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ellierose_
Worth it for fresh needles every time
Don't even think about reusing cartridges — just get this 3-pack. Fresh sterile needles make such a difference in how comfortable the treatment feels and how clean your skin stays after. The PRO-5D is my main one for my full face and I save the PRO-R for around my eyes. This pack is perfectly set up for that. The subscription price is really reasonable too.
re:tones Skin Rejuvenation Tap Pen Device is a cosmetic device. Nothing here is a medical claim, and none of these statements have been evaluated by a regulator.
Trade a video for a second device Open to people who already own a Tap Pen. You keep it whatever the video says.
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