What is it?
Phimosis is a condition that is believed to affect a minimum of 10% of uncircumcised adult men according to a Channel 4 programme broadcast in the UK in 2011: it is a common problem even though it does not get talked about much. A man has phimosis where his foreskin does not glide smoothly over the penis head (glans) when the penis is both hard (erect) or soft (flaccid) or both. If the foreskin will not retract when it is soft then it will not retract when hard. But the problem may only be present when the penis is hard. It can occur in young men and it can also be acquired later in life by older men who did not have it when they were young.
It is normally assessed to be one of 4 degrees of varying of severity. This graphic shows the US & Asian way of describing it when the penis is soft. The numbers are reversed in other parts of the world. No.4 below is also referred to as pinhole phimosis.​
Treatment options
Low-risk, first line approaches: steroid cream & basic stretching
It is likely correct to say that foreskin stretching using a tool (i.e. not just one's fingers) is not seen by most doctors as a consistently reliable way to treat phimosis. At least currently. It is not seen as "unreliable" but the lack of proof from, say, multiple clinical research trials, regarding its efficacy means it is something they are unlikely to recommend with complete confidence.
Doctors may happily propose basic stretching such as applying a steroid cream regularly for up to 4 weeks while advising the patient to stretch the foreskin with their fingers. They might suggest doing this after a hot shower or bath, when the skin has been warmed, and particularly before sleep during which normally-occurring erections will help to stretch the foreskin. But they are unlikely to recommend the use of a tool because doctors like strong evidence that a procedure will work and the current lack of data on foreskin stretching means that evidence is unavailable. That will hopefully change.
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A steroid cream is often recommended to use when stretching because, over several weeks, it works to thin the foreskin which makes it easier to stretch. The steroid cream of choice, in the UK and many other countries, is often betamethasone valerate 0.1% or a similar steroid such as prednicarbate 0.1% (not available in UK). This medicine has been in use for many years for the treatment of a variety of skin conditions. It was patented in 1958 and is on the World Health Organisation's list of essential medicines and is now a generic medicine
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Betamethasone is considered "potent" as a topical steroid, which is why it can only usually be purchased with a doctor's prescription. It works by thinning the skin, which reduces its strength, which makes it more easily stretched. It also helps dampen the skin's inflammatory response, triggered by stretching, which can lead to redness, tightness, swelling etc. So it is a useful medicine for phimosis. But because the skin thinning is often permanent, the maximum time during which it can be used will usually be limited by a doctor for a maximum of around 8 weeks. This is to avoid the skin becoming too thin which could lead to future problems associated with skin tears and subsequent tightening.
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​If this low-risk approach does not resolve the phimosis after a few weeks then the next stage, if the patient remains in discomfort, would usually be referral to a urologist.
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​Urologists, also known as urological surgeons, perform surgery related to the kidneys and sexual organs, including circumcision. Though not without risk, circumcision is a well-understood procedure that will, in most cases, resolve phimosis satisfactorily because it removes the source of the problem; the foreskin.
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Surgical Options - Circumcision
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A urologist is unlikely to propose foreskin stretching with a device because the efficacy of this approach has not (yet) been proven to work in a clinical research trial. Because stretching is not proven they will use the method that is proven and in which they have trained, which is circumcision. Circumcision fixes the problem of phimosis because it removes the cause of the problem, the foreskin. The operation generally, though not always, produces a satisfactory outcome. This tragic story published in 2019 tells the impact of an unsuccessful circumcision and, in my opinion, makes exploring foreskin stretching wise because even if stretching does not produce the desired result, it does not close off any other treatment route. There are 3 main ways of performing a circumcision which are shield and clamp, dorsal slit, and excision. These methods are are described in this article.
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​Surgical Options - Preputioplasty
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Also performed by specialised urologists, preputioplasty is a specialist surgical procedure that seeks to solving the problem of phimosis but without partial or full surgical removal of the foreskin - there is an alteration of the foreskin to remove the tight ring of skin called the phimotic band, but no removal of the foreskin. The best-known 6 surgical techniques of preputioplasty are triple incision plasty, preputial plasty, ventral V-plasty, Y-V plasty, trident plasty, and Z-plasty. They are explained in this article.
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​Non Surgical Options - Stretching Devices
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At the time of writing this I have found 8 branded foreskin stretching solutions that fall into 5 different categories of expansion method:
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thread-adjusted arms and tubes x 1 type
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silicone tubes x 1 type
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silicone rings x 3 types (other similar products may be available)
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air-filled balloon x 1 types
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modified forceps x 2 types
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In the following section, I take a look at the 6 of the most prominent foreskin stretching tools available to purchase right now starting with the PC4 available to purchase on Etsy. For the PC4 there is a description of how it works plus other relevant points. For the other 5 products I provide only a summary of the information provided by the manufacturer and a link to where the product is sold. The features of other stretching devices are not evaluated and neither is their effectiveness.
The purpose is to list and describe the main non-surgical phimosis treatment solutions currently available to purchase in 2024. If you decide to stretch your foreskin you need to decide which product will meet your needs best. This summary may help by showing the features of the main stretching tools that could be found when searching in English on the UK version of Google.
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1. Micro-Adjustable Metal Tubes providing lateral (side-to-side) pressure
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Name: Phimosis.Care PC4
How it works
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2 sets of stretching arms for every level of phimosis: easily inserted 4mm wide slim arms for pinhole (level 4) & 8mm tubes offering greater comfort (after level 3).
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100mm stainless steel rod suitable for every size of foreskin.
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Recommend stretch time of 2hrs (max) with an oil-based lubricant. Repeat every 2nd day.
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Application of a steroid, or NSAID (anti-inflammatory cream) is strongly recommended before and after stretching and every night between stretches
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Full foreskin retraction should be achieved in 8-12 weeks (when steroid or NSAID cream used) though it can occur more quickly.
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Other points
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Stretch distance can be micro-adjusted: no pre-set increments as with silicone rings, tuboids or some of the forceps stretchers.
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Created & tested by a man with phimosis; it works.
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Reliable retention in the foreskin which means it will not fall out.
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All surfaces in touching foreskin are smooth.
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Stretching progress is easy to track.
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Can be worn under clothing though remove to urinate.
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* Images copyright of Phimosis.Care​​​​
2. Silicone-Rubber "Tuboids" providing circular pressure
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Name: Phimostop
How it works
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Insert a soft silicone tuboid (longer than a ring with greater surface area) into the foreskin and within the phimotic band of tight skin.
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Pull foreskin up around it and tape the fins to penis to keep it in place. Use a lubricating cream.
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Use for 72hrs initially and for 12hr time periods after.
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Increase the tube size until the desired internal foreskin circumference is achieved.
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Kit has 22 x silicone tuboids & tape; 6mm - 42.75mm diameters at +1.75mm increments.​​
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* Images copyright of Phimostop​
3. Silicone-Rubber Rings (narrow) providing circular pressure
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Name: Phimocure (4Retract + Phimostretch also available which are similar)
How it works
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Insert a silicone rubber ring into the foreskin so it is located inside the tight phimotic band of tight skin
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Supplied with 20 x silicone rubber rings of increasing diameter, 4mm to 41.2mm, plus stainless steel ring removal device / initial stretcher & moisturising cream which is to be applied before bed.
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Leave rings in place for 45-60 mins.
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Repeated 2 or 3 times per day.​​​
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* Images copyright of Phimocure​
4. Air-Filled Balloon circular / spherical pressure
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Name: Novoglan
How it works
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Insert a small collapsible silicone rubber balloon into the foreskin.
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Use the supplied hand squeeze-bulb to inflate the balloon with air.
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Close valve, detach pump & leave in foreskin for 15-30 mins.
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Use 2 times per day for 2-8 weeks
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Deflate to remove. ​​​
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* Images copyright of iMEDicare Ltd​
​5. Modified forceps-like device providing side-to-side pressure
Name: Glansie
How it works
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Modified stainless steel forceps-like device with rounded tips.
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Tips are inserted into the foreskin and stretching pressure is accomplished by squeezing the handles together.
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DX model has lockable handles and pre-set stretching increments.
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ST model has no locking mechanism and requires constant hand pressure.
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* Images copyright of Glansie
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6. Modified forceps-like device providing side-to-side pressure
Name: Anchsaa
How it works
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Similar to Glansie, this forceps-type design has curved half-tubes which press against the skin.
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Insert narrow end into foreskin and adjust screw to achieve the appropriate stretch tension.
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20-30 min daily use recommended.
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* Images copyright of Anchsaa
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