An usual CryoPen session
The most important issue is, making sure you really want the procedure done and Cryopen is the suitable solution for that disorder. Your doctor is the best one to give you the professional advice and counselling.
Different leisons require different levels of expertise. Small, superficial pigmented leison over obscured area can be well tackled by trained beautician. On the contrary, large, deep seated lesion located at exposed area will warrant special attention from an experienced doctor.
The whole procedure lasts around 1 minute, composing of a freeze-thaw-freeze cycles. During the treatment, you will experience a change of sensation from feeling cold to mild pain (better described as discomfort). When you feel the change, let your doctor knows, he will add on 5 to 10 seconds to make sure all the altered cells are handled.
But if the pain is intense, do let your doctor know immediately.
The usual procedure
Caution：This is a general description, each case varies
1. Expose the lesion
2. Lie down with that area of skin being horizontal and facing upward
3. Clean that area with alcohol
4. Wait till the alcohol air dried
5. Apply the CryoPen (not close to skin yet)
6. Bringing the CryoPen closer to skin, ice ball will form (contacting skin is nt always necessary)
7. Hold till target depth and area met
8. Maintain for ~5 to 10 more sec
9. Bring away the CryoPen and allow thawing
10. Consider repeat the cycle as freeze-thaw-freeze