An erection depends on more than blood flow — it also depends on the muscles that keep that blood in place. Senza uses targeted pulse vibration to activate the deep pelvic floor muscles that ordinary Kegel exercises barely reach.
Senza uses targeted vibration to engage the pelvic floor muscles for you — no guesswork, no perfect technique required. The mechanism rests on two principles:
The hardest part of any pelvic floor routine is sticking with it. That's the problem Senza was built to solve.
Senza is made for any man who wants to train his pelvic floor — without the guesswork and without the tedium of manual exercises.
This is not a medical device. If you have an existing health condition, talk to your doctor before starting any new training routine.
Yes. 100% medical-grade silicone — fully body-safe, non-porous and hypoallergenic.
Soap and water is all it takes to keep it hygienic — no special cleaner needed.
Fully waterproof (IPX7 rated) — safe to use in the shower, the bath and the hot tub.
We designed it to work for you. If it isn't right for your body, you get your money back.
Email our support team with your order number. We'll send you a prepaid return label (declared as a "wellness device," not under the product name). Return requests are handled according to our return policy. The device must be cleaned before it's sent back. Once a return arrives at our warehouse and has been checked, any refund is typically processed within 3 to 5 business days.
Real experiences from men using Senza day to day.
I'm a physical therapist and I was skeptical. But the concept holds up. Vibration-based activation reaches the pelvic floor in a way manual exercises simply don't for most men, because they end up tensing the wrong muscles. The 15 minutes sitting down is what makes it realistic day to day.
Honestly, I had reservations about ordering something like this. I figured it would either be very clinical or feel cheap. It's neither. The build quality is excellent and the delivery was completely unbranded. After a few weeks I notice considerably more control day to day.
I've put so much time into things that didn't work. Kegel apps I ignored after two weeks, guides off the internet where I never knew whether I was even hitting the right muscle. Here I just sit on it for 15 minutes and the device takes over. After two months my core feels noticeably more stable.
I sit at a desk nine hours a day for work and spent years paying no attention to my body. What I didn't expect: it really does only take 15 minutes, and I do it while reading. I can feel muscles I didn't know I could control.
My doctor recommended pelvic floor training after an exam. I tried manual exercises for six months, consistently, every day, and barely noticed a difference because I was never sure I was doing it right. With Senza I feel the activation immediately. After five weeks I have more sensation and control than I did after that entire half year.
I bought it out of curiosity, without big expectations. But after six weeks I genuinely notice a difference. My body responds faster, I have more control and I feel steadier. And the quiet mode isn't marketing: I live in an old building with thin walls and nobody hears a thing.
Satisfaction guarantee or your money back
Satisfaction guarantee or your money back
Satisfaction guarantee or your money back
Two muscles — the ischiocavernosus and the bulbospongiosus — compress the veins once blood enters. That process is called venous occlusion, and it is what keeps an erection firm.
Standard Kegel exercises mainly engage the pubococcygeus, a more superficial layer. The two muscles that matter most for venous occlusion lie deeper and are hard to contract on purpose.
Pulse vibration in the 25–35 Hz range activates muscle fibres without you having to consciously contract them — the same principle used on other muscle groups in physiotherapy.
The device is shaped to direct that stimulation 2–3 cm deep, where these muscles sit. You use it seated and fully clothed, so there is nothing to insert or apply.
| Pills | Kegel exercises | Senza | |
|---|---|---|---|
| Improves blood flow | Yes | No | Indirectly |
| Trains deep pelvic floor muscles | No | Barely | Yes |
| Works without planning ahead | No | Yes | Yes |
| Requires a prescription | Often | No | No |
| Effect once you stop | Gone | Fades slowly | Fades slowly |
| Daily time needed | — | 5 min | 10–20 min |
Every setting on this device exists for the same reason: reaching two muscles that are otherwise hard to train.
Muscle adapts on its own schedule. What follows is what users commonly report — not a promise, and not the same for everyone.
Most men feel the pulse working the moment they sit down. Some notice morning erections returning earlier than expected; many notice nothing yet, which is normal.
Twenty minutes on the couch stops feeling like a task. This is the stretch where consistency matters more than anything else.
If the training is going to work for you, this is typically when you notice it — in firmness, in how long it holds, and in not having to wonder beforehand.
You have had a full training cycle plus a month to judge it. Not convinced? The guarantee still stands.
Use it daily for three months. If you do not notice a difference, email support and you get the purchase price back. No return shipping, no explanation required.
Ninety days is not a marketing number — it is roughly how long muscle training takes to show. A shorter window would not tell you anything.
Jessica Williams
Sexologist & Psychologist
Jennifer Brown
Sexologist & Relaxation Therapist
