Because Vitamin C contains ascorbic acid
You can remove dried barnacles from a fiberglass boat using a stainless steel scrubber or a pressure washer for large barnacles.
by using "BANG"
acetone
You have to NAME the glue before we can answer that.
no it does not
sand it or grind it out depends on what finish you want
scrap it off with a knife or sharp object
Many stains can be removed with alcohol.
It's to remove yellow surface discoloration or stains (e.g.,tobacco stains)
vitamin C, vitamin B, exercise, lots of water
Most of the time, a black discoloration around a piercing is caused by the erosion of impure metals, such as plated pieces. Unfortunately, if this happens, and is allowed to heal this way, there really is no way to remove the discoloration. However, if you were wearing only pure metals like surgical steel, there is no reason for this discoloration and should check with a doctor.
If the fiberglass has not yet cured then it can me removed using acetone. Acetone is often the main ingredient in nail polish remover. Be sure to test on a small area first since acetone can damage some fabrics. If the fiberglass has cured try soaking with Trichloroethane to soften the fiberglass enough to remove it. Again, it is important to test on a small area of the garment first to be sure that it does not damage or discolor the garment.