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#1:
This ballpoint ink mark is more than 2 months old, and d’Ink7.7 only manage to lighten from black to blue even after an overnight dwelling.


#2:
This is where bleach10.3 comes and helps bleach it.


#3:
Here is a close-up of this creamy paste over the ink stain.


#4:
Here’s the full view of the chair.


#5:
The high alkalinity need to be neutralized by acidifier2.0


#6:
This picture shows re-touch-up with a matching topcoat.


#7:
A close-up of the final result!


Questions are welcome!

Roger