It's supposed to be black, it wont actually scab til 24 hours.
Ive tried wart mole vanish which is basically the same thing but the itworks is cheaper on ebay at $62 shipped.
As for scarring, removing skin lessons will...
sign in with Facebook
Join the world's largest cosmetic surgery community.
By creating an account, you are indicating that you have read and accept the
Enter your username or email address and we will send you a link to login.
Please create a username or use the one provided to complete your registration.