What is Cryotherapy?

Cryotherapy is a procedure that uses extreme cold to destroy unwanted tissue – most unwanted skin lesions can be treated in this way, including warts, moles, skin tags and verrucas amongst others.

How does it Work?

Tissue cells are destroyed during the procedure when they are rapidly brought down to a low temperature forming ice crystals. The ice crystals break down the structure of the cell and water then fills the surrounding area creating a blister. Healing occurs within 2 to 6 weeks depending on the depth of the freeze.

Is it painful?

There may be some tingling with the initial freezing, but most patients get an anaesthetic effect from the extreme freezing temperatures. More of a pinching sensation occurs when the area thaws out. Some patients may have some discomfort the day after the first procedure but normal pain killer’s are usually adequate to alleviate this.

Will there be scarring?

Typically FreezPen® leaves the least amount of scarring of any form of lesion removal because it causes the least damage to the connective tissue. The area of skin treated will appear lighter than the surrounding skin which usually darkens over time.

How many treatments are required?

For most conditions, FreezPen® is a permanent removal. Some conditions are harder to remove than others, and in delicate areas a shorter freeze time with repeat procedures may be required to achieve a final result with the least damage to surrounding skin. In other cases, where the condition is deep (such as stubborn warts or verrucas) several aggressive treatments may be required to achieve total removal.

How long does a single freeze take?

Freeze time varies depending on the type of lesion. A typical freeze time is between 5 seconds for small flat warts to 120 seconds for a large full thickness lesion. For general purposes most lesions take about 30 seconds.

What are the main advantages of FreezPen®?

•No contact with dangerous cryogenic gases or liquids

•Immediate treatment without referral

•Low risk procedure

•Simple, safe, effective treatment with little discomfort


What are the series of events after the FreezPen® procedure?

During the procedure the area freezes and turns white. After the white area thaws, a flushing occurs that turns the area red. This thawing is associated with a pinching sensation or a dull ache as a wheal is formed. This wheal will develop into a water blister that may rupture naturally (do not force rupture) within 24-48 hours and within 3-5 days the area will begin to form a scab. During this time it is important that the area is kept clean and dry to prevent infection, a small dressing may be required. The scab will fall off in approximately 1- 2 weeks. Depending on the extent of the freeze a new scab may reform and the process will repeat itself. The lesion will be completely healed in 2-6 weeks. After primary healing occurs the area may be whiter than the surrounding tissue, usually this repigments over time.

What are the possible side effects and risks involved?

•A blister or scabbing can form up to 48 hours after treatment. An antibiotic cream or ointment can be used. Other short term effects include bruising, superficial crusting, and discomfort.

•Hyperpigmentation (browning) and Hypopigmentation (lightening) can occur with some people. These conditions usually resolve within 2-12 months. Permanent color change is a rare risk but is possible. Vigilant care must be taken to avoid sun exposure (tanning beds included) before and after the treatments to reduce the risk of color change. A physical sun block (with zinc) must be applied when sun exposure is necessary to protect the pigmented area. There is no guarantee that the area will fully repigment. However for most individuals it does if the skin is not exposed to tanning elements. Follow up care is available to help stimulate re-pigmentation if necessary.

•Infection is not usual after treatment but can occur whenever the skin is broken. Should any kind of infection occur notify your practitioner immediately. With any infection a GP may have to prescribe anti-biotics.

Cryo Freezepen Prices Per Treatment

Mole £100

Skin Tag £25

Wart £100

Verruca £75

Cherry Agioma £25

Before and After Photos

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