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CryoPen™ is a state of the art treatment that uses extreme cold, or cryotherapy, to painlessly and safely destroy unwanted, benign and superficial lesions on the surface of the skin, such as warts, skin tags, verrucae, milia, cherry angiomas, scars, and resistant hyperpigmentation.
It has four main benefits over other treatments;
CryoPen therapy takes far less time; with treatment sessions lasting less than 2 minutes
No anaesthesia is required and it is virtually painless
It is one of the least invasive lesion treatments in the market
It is used in the treatment of virtually any benign skin lesion
CryoPen is designed and developed by a Belgian company, HO Equipment, and distributed in the United Kingdom by Cryosthetics (CryoskinCare Ltd). (In America and Canada it is known as CryoProbe). It is used for treatments in the specialities of dermatology, podiatry, medical aesthetics and gynaecology/urology.
How does it work?
CryoPen therapy is a medical procedure that involves the application of nitrous oxide gas ejected under high pressure on to the skin. The gas is very cold which helps to freeze and destroy any benign lesions.
During the application, the tip of the CryoPen reaches -89°C. The reason for this is to create a thermal shock at the region where the gas is pointed by causing a rapid drop in temperatures. The temperature drop has the effect of crystallising the fluid contents of the targeted cells, turning them into ice shards, resulting in the destruction of skin lesions as the membrane surrounding the treated cells is ruptured and destroyed.
The penetration of the cold is approximately 1mm per 5 seconds of treatment, so a 2mm sized lesion would take 10 seconds of nitrous oxide gas to treat.
During treatment, you may see a frost or ice-field on top of the lesion. This shouldn’t cause any worry as the frost usually goes away within a few seconds. A common technique called freeze-thaw-freeze can sometimes be used to freeze, then defrost a frozen lesion, and then freeze it again. Here, the frozen lesion is allowed to rest for 30 seconds and then a second treatment applied whereby the tissue will freeze faster second time around and destruction of the lesion is more guaranteed.
After treatment, it is advisable to leave the area uncovered as this speeds up the healing process. However, your practitioner may apply a simple dressing or plaster if there is a chance that the lesion may get rubbed or aggravated in any way.
What is it used to treat?
CryoPen treats benign skin lesions on the surface of the skin, many of which are no longer able to be treated by doctors under the NHS, due to their cosmetic nature. More complex lesions should be examined first and treated by a suitably qualified medical professional, so you may wish to speak to your GP about them first. It can treat lesions on the face, scalp and body including:
•Viral verrucae (warts)
•Solar lentigo (sun spots)
•Condyloma (genital or anal warts)
•Popular nevi (moles, birthmarks etc)
•Contagiosum (water warts)
Treatment is safe for all (including children and young adults, although you will need to check if the clinic is insured to treat minors).
How long does it last?
Clinical data shows that the results are permanent after one or two treatments. Some types of skin lesions may return in other places if you are prone to such manifestations.
Risks and side effects
CryoPen therapy has been established to be very safe. However, be prepared for the following:
Slight discomfort during the procedure - As with most lesion treatments, you’ll feel some slight discomfort while CryoPen is being applied. The discomfort usually feels like the pressure of a pen being pressed against your skin. However, unless you have a problem such as a skin allergy, it will only last a few seconds. Generally, no topical anaesthesia (or numbing cream) is required before treatment.
•Mild stinging following the procedure - Immediately after the procedure, you will likely experience mild to medium stinging that may last for several minutes to an hour. Again, don’t be too worried about the stinging as it goes away naturally.
•Sores and blisters - Rarely, the skin where the lesion was treated, usually becomes sore, red, weepy and blistered. It may sting for an hour or so after treatment. Often a scab will form in the following days. This is common where deep freezing is used and may cause pain immediately after the treatment. The practitioner may recommend topical or oral pain killers to relieve discomfort if required. It is important not to scratch or pick at a scab as this can lead to scarring.
The Cryopen cannot be used to treat cancerous lesions. If you are concerned about a lesion, or it has changed in any way recently, please speak to your GP as a first port of call.
Secondly, CryoPen may not be used if the lesions are too close to delicate structures of the body such as the eyes.
Treatment will not be advised for pregnant women or breastfeeding mothers, as the risks are unknown, and you will be advised to wait until after this period of time in your life before having treatment.
How long you need to apply the treatment before seeing results often depends on the size and nature of the lesion. However, for a normal, superficial, benign lesion, it only takes 2 to 10 seconds to complete the treatment procedure in one session. Results are usually observable within1 to 6 weeks of treatment.
4 weeks following treatment, a follow-up appointment is usually recommended to assess the response to treatment so the practitioner can determine if there is a need for additional treatments to completely remove any remaining lesions or parts of the lesion. In some cases, one treatment will suffice and no follow-up is required for small, simple lesions.
However, if the lesion is too persistent and doesn’t go away following the initial treatment, a second treatment can be done. This second treatment should be done within 1 to 4 weeks of the first one.
1 Area £90
2 Areas £160