1. Do you mean sparkling skin, rosy cheak enhancements? etc…
2. do you want a ae clone tut?
3. The cc simple wire remover can use slope to get around small curves, but 180 curves you need to be a little more creative. I’ll give away a secret that hollywood uses to remove curved wires/ropes. Open the effects control of the project file and enable the last 4 plugins, the curved blue hair will magically disappear from the background. cc bender unwraps the curve then wire removes it and finally picture is un-bended. This all gets motion tracked in realtime in the big movies because removing them by hand can take 9 months or more.
cc wire unwrap example
https://www.megaupload.com/?d=0Z3PLP2S
https://technicolorsoftware.hostzi.com/