Sizegenetics In-Depth Review and Results [UPDATED] No ratings yet.

In this article, I give my full review of the Sizegenetics penis extender. While there are a lot of male enhancement products on the market designed to increase length and girth, not all of them can live up to expectations. An exception is the popular Sizegenetics penis extender. Here are some things that you need to know and what it can do.

About Sizegenetics

Unlike pumps, Sizegenetics can be worn under loose clothing for extended periods of time. That makes it easy to carry on with your daily activities without anyone knowing that you’re wearing it. This is important, since the more your wear it the better your results.

In one sense, using a penis extender is bit like working out expect for your penis. As the extender stretches your penile tissue, it effectively breaks it down and causes it to grow and expand.

Is It Comfortable?

Sizegenetics comes with a wide range of settings with their 16 way comfort system and provides one of the most comfortable fits I have experienced with a penis extender. You can dial things in to easily get enough force on your penis to force it to grow without feel discomfort.

How to Wear SizeGenetics Comfortably

You might think that you’ll need someone to help you put on your penis extender, but it’s easy to do it yourself.

  • Put the white base ring on your penis. This is the part of the extender that has the elongation bars.
  • Adjust the settings so that the elongations bars are a minimum of 1cm longer than the length of your flaccid penis.
  • Push the tip of the SizeGenetics device into the elongations bars.
  • Put the tip of your penis into the device.
  • Make the rubber strap tighter to ensure it holds firmly against your penis.
  • The lip of the device should fit beneath your penis glans. Gradually adjust the elongation bars to boost the tension force. However, if you are a beginner, wait a few weeks before doing this.

How Sizegenetics Works


This is the principle that propels SizeGenetics. It makes it possible for tissue cells in your phallus to expand, tear and grow into new tissue cells. The constant traction that the extender exerts leads to permanent gains over time.

Cell division

When these gaps are developed, cells divide and multiply. Your penis shaft and chambers then grow within the penis.

Higher capacity

Due to the cell division process, your penis now has more blood pumping through it. It gets bigger, and it is a larger size permanently.

Extension of ligaments

From before and after photos and feedback it’s been demonstrated that SizeGenetics does a pretty good job of expanding the ligaments that connect the shaft to the pubic bone. As a result, your penis hangs lower when it’s flaccid. The growth is slow and gradual but it does work. In the end, guys are more confident in the bedroom. In addition, SizeGenetics is comfortable to wear. It allows guys to wear it all day, even while they are at work, or out running daily errands.

Is It Safe?

Nobody likes the idea of doing permanent damage to the penis. Fortunately, it comes with a safety release that make it easy to disengage. The 16-way comfort system makes it easy to provide the appropriate angle that is most comfortable.

Sizegenetics Ultimate System

The advanatage with the Ultimate System is that it’s more comfortable and has more ways to wrap it around your penis and fit better. You also get more extension bars so you can add more as you grow. I found the include quarter inch bars to be the most useful because those are the ones that help the most when transitioning to the next set of bars and tension.

Overall, the Ultimate System is worth it and has become a best-seller. I like the fact that it comes with a training DVD, travel case, extra rods, penile exercise videos, 3 different fasteners to secure your penis. This gives the user 3 different options to wear the device instead of a one-size-fits-all approach.

While it’s not cheap, good devices tend to cost more and require a commitment to get the full results. The golden rule is the more you put in the more you get out.

Sizegenetics Comfort Package

This is my favorite package. It comes with the extender bases, spare extension rods, a discreet traveling case, instructional DVD, and velcro strap, rubber noose, and comfort band, so you can best configure Sizegenetics to the size of your penis.

It’s also $50 cheaper than the Ultimate System while giving you the exact same results and same extender model. It is a very well-made and durable product that uses medical grade materials for maximum comfort and safety.

Value Edition

This is their entry level package and comes with the bare essentials such as the extender, extension rods, rubber strap to secure your penis, a comfort strap, and an in instructional dvd. If you are on a budget and want to try penis enlargement out for the first time this is a good package to get started with.

If you feel more committed or have done it before than I would recommend going with either the Ultimate or Premium System because they come with spare parts and accessories to last you all year long.

Curvature and Peyronie’s Edition

This includes the basic Sizegenetics penis extender along with a handful of nutritional supplements to assist in correcting the curvature of your penis.

Sizegenetics vs Phallosan Forte

Both are length devices and work in the same way by stretching your dick for prolonged periods of time. The two issues I would like to address are comfort and ease of use. I found the Phallosan to be a little more comfortable but it doesn’t mean you cant wear the Sizegenetics for 7-8 hours a day, you just have to set it up right. In fact, I’ve made more gains with Sizegenetics since I’ve used it longer.

While Phallosan is slightly more comfortable I found Sizegentics to be easier to use since it’s as simple as removing the strap. This is something to consider if you tend to pee a lot. I’ve used my Sizegenetics for about a year longer than I used Phallosan and just find it easer to take off which I can do in 2 seconds and literally put it on in 8 seconds whereas with Phallosan it can take me 30 seconds.

The reason it takes longer is because it’s less durable. Phallosan uses condom sleeves which although it makes it extremely comfortable you have to be careful putting it on and taking it off since it can rip.

And they are not cheap since they are customized to the device so you have to be careful. With my Sizegenetics device I don’t have to be so careful because their is nothing to rip or tear.

Sizegenetics vs Bathmate

Comparing Sizegenetics to the Bathmate is like comparing apples to oranges. Bathmate is a girth device that you use for 5-10 minutes a day whereas Sizegenetics is a length device that you wear for 7-8 hours per day for 6 days per week. It can also correct curvature of the penis.

The second thing to bear in mind is how fun they are. I consider Bathmate a “sexy” device because it’s fun to wear, feels good on your dick, and gives you instantaneous yet temporary results that eventually become permanent. After 10 minutes of use your dick will be thicker and longer than it’s ever been before. This lets you take your increases size immediately into the bedroom.

Sizegenetics is not as fun to to use because you have to wear it all day for 6 days a week and you don’t get the immediate pump effect like when you use a Bathmate.

Can I Gain an Inch Wearing Sizegenetics?

Absolutely. If you are new to male enhancement you can gain up to an inch within 6-8 months if you wear the device for 6-8 hours a day, 6 days a week. I’ve drawn my conclusion from personal experience, feedback on penis enlargement forums, and recommendations by the manufacturer. Noobies will get the best gains if they are new to penis enlargement.

Traveling with your Sizegenetics

Yes, you can travel it but I wouldn’t wear it at the airport as you might set something off. Hah. Don’t wear it though security but you could wear it on the plane if you put it on in the bathroom. This brings me to the next question which is how do you travel with it?

If you have the full set it comes in a box which can be locked with a key.

However, I don’t recommend locking it if you are storing it in your suitcase because TSA will try to open it. Even better, if you have the Bathmate carrying case you can store it in there.

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First Impressions

It was early in the morning when my package arrived, and I was in the middle of getting ready for work.  But I was so impatient to do something about my small dick that I just had to try it on there and then.  It proved to be pretty easy to fit on and adjust.  I had only planned to try it out, then take it off before I went to work, but it was so comfortable that I decided to take a risk and keep it on all day.  I took the travel bag with my in my briefcase so that I would be able to take it off and put it away if I needed to.  The only thing I needed to do to accommodate it was to wear a fairly baggy pair of trousers.

I didn’t need to take my SizeGenetics penis enlarger off for the entire day at work.  I was really amazed.  Of course I was very aware of it for the first few hours.  But it wasn’t really any kind of discomfort, just the feeling of pressure and tension that I wasn’t used to.  That afternoon I was in a really important meeting for about three hours and when it finished I realized to my amazement that I hadn’t thought about my SizeGenetics traction device at all during that time.  This was a real surprise to me.  I had expected a certain degree of discomfort, and was prepared to endure that for the sake of penis enlargement, but it appeared that the traction wasn’t going to be uncomfortable at all.

That pretty much set the pattern for me for a while.  I would wear the traction device at work all day, and the only drawback was that I couldn’t wear tight trousers.  Then, after a while, I decided to try wearing it at night while I slept.  This turned out to be extremely easy.  Some guys report that they can’t wear the SizeGenetics device in bed because it keeps them awake, but I was lucky not to have that problem.

Of course, for the first few weeks I was rushing home to get the tape measure out every day.  Sometimes even twice a day, to see if there was any gain yet.  Of course there wasn’t, not for the first few weeks.  The first thing I noticed, after about three weeks, was that my penis felt a little fuller, a little heavier when I wasn’t wearing the SizeGenetics.  A couple of weeks after that I could see the first gains in length and at the end of six weeks my tape measure showed I had gained half an inch in length and three quarters of an inch in girth.  I can’t tell you how excited I was.

The other thing I noticed about this time was that I was having more and harder erections.  I’d never thought about my erections before, because everything seemed to be okay, but now I discovered that it was possible to have much harder erections than I had ever experienced before.  Of course, as a 28-year-old virgin I was an almost obsessive masturbator, and I noticed around this time that my ejaculations were much more forceful and my orgasms would actually last longer.  I was nearly dying of pleasure sometimes, because I was coming so hard.  Of course I got even more excited thinking about how this would be when I was finally not alone.


If you want to get significant results than you need to wear Sizegenetics for 6-8 hours per day for 6 days a week. In fact, you will find the time commitment to the same with any penis extender you wear. For example, if you’re a total noobie and wear it 12 hours a day you will get your first inch in 4-5 months instead of 6-8 months.

Hopefully, this will motivate you on days you don’t want to wear it. It’s similar to resist training, otherwise know as weight lifting. As you break down the tissue, it rebuilds itself and gets bigger. By the time you get to the second or third month you’ll know how your progress is going and how it affects you.

Why Sizegenetics Is Not a “Sexy” Device?

Sizegenetics isn’t fun to use but it’s very tolerable which makes it good. My idea of a sexy device would be the Bathmate or Penement Pump because they are enjoyable to use and feel good on your dick. They are quick, easy to use, and produce instant results that later become permanent.

If your using Sizegenetics correctly than you should have it on your dick for 8 hours a day. The reason I say it’s not fun to use is simply because you don’t see the gains right away but there’s a reason why I recommend this device and why I think it’s the very beast thing for long-term permanent gains. If you can deal with wearing it all day for the next 6 moths than it will be worth the wait. They’re been used in clinical studies and they are certified as medical devices which is I would do recommend them.

And while penis pumps are more fun the penis extender beats them in results when it comes to length.

The Golden Rule To Gaining Size

Here is the most important thing you need to know about Sizegenetics. The most important thing you need to know, especially on days when you don’t want to wear it, is the more you wear it the more you will grow.

Is There a Maximum or Minimum Size?

The answer is no but there are a few things to consider. I suggest if you’re above 6 inches whether you have done male enhancement or not I would go with Sizegenetics. It definitely fits a 6 inch dick better than a 5 inch dick. If you’re under 6, I suggest going with X4 Labs or Phallosan Forte. You can also do manual stretching if your penis is under 6 niches and your new to male enhancement. Sizegentics tends to work better for guys who have average or above average cocks (6 inches or greater).

Can I Use it if I’m Uncirumcised?

Yes, you just need to move your foreskin out of the way.

Can I Wear Sizegenetics to Sleep?

A lot of guys ask whether you can wear Sizegenetics while you’re asleep. I asked this exact question to Sizegenetics a few years back and they basically said if you do, be careful and put it on with the lowest possible tension to keep your penis safe in case you accidentally roll over and constrict the blood flow, which causes your dick to get cold. Do those hours add up? Possibly, since the tension is much lower.

If you do decide to wear it make sure you sleeping on your back. And, if you really want to use it at night I would consider using the Phallosan Forte because it’s more comfortable and safer.

Do I Still Need to Manually Stretch or Jelq?

I’ve had a lot of guys ask if wearing Sizegenetics is a complete substitute for manual stretching and jelqing. Manual stretch involves stretching your dick with your hands which can be a tedious task. The answer is yes if you are new to penis enlargement.

Does It Increase Girth?

Unfortunately, no. If you want to increase girth you’re better off doing kegals or using a penis pump such as the Bathmate. Sizegentics is a length device.

Does It Increase Length?

The design of the SizeGentics work with precision on the penis and girth, bringing about a natural flow to the organ while extending.

Is It Safe?

2800 grams of tension is the force that is used in bringing about optimum results. While this may sound like a huge amount of pull, tests have been conducted to guarantee your safety and comfort and I have never had a problem with it..

In a nutshell, SizeGentics has been around for a long time and has invested considerable research into their products. Quality control and medical grade materials are used to prevent any harm or discomfort from wearing it.

What About Fake Reviews

A lot of penis extender manufacturers display fake user testimonials as a way to advertise their products. This is why you should learn how to spot them.  Use common sense and don’t believe anyone that promises quick results. Furthemore, if you are shopping on Amazon, skip all reviews that are not labeled as verified purchases.

Money Back Guarantees and Warranties

It’s easy to purchase SizeGenetics via the company website or with select authorized global vendors. There are also other companies that sell this product online; however, how can you rely on them to send you genuine SizeGenetics products? How do you know they don’t sell fake products? The best way to know that you’re buying the real thing is to buy it directly from the company website. This is my preferred way.


After about four months I reached what I think of as my half-way point in my SizeGenetics penis enlargement program.  By this time I had gained a whole two inches in length and one and a half inches in girth.  And it didn’t really seem to be slowing down, although I knew that sometime soon it would, because most of the gain happens in the first few months and the last few it becomes less extreme.  By this time I was also doing penis exercise regularly and I think that this helped with the gain and also helped to consolidate it.

If you have the money, desire, and commitment to put in the hours for penis enlargement then it’s worth the investment.

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