Before booking any appointments for Fibroblast Plasma Pen please make sure you are a Fitzpatrick 1-4. Meaning only white to Olive skin tones may do this procedure, anyone over a Fitzpatrick 4 will or may suffer from hypo-pigmentation or hyper-pigmentation. Meaning after the procedure the treated area might be 2x darker than normal skin color or 2x lighter. Therefore, you will NOT be able to proceed with the service under no circumstances. If you are not sure what is your Fitzpatrick please email or text a picture of your skin tone. Click the contact button above on website to get contact information.