What can you not repair?
Sometimes the yellowing is deep within the material. In that case:
can only partially improve it
; if the discoloration returns over time,
replacement is the only permanent solution.
Finally
Removing yellowing from plastic is not a matter of scrubbing hard or using aggressive agents. On the contrary—the right approach is actually gentle, controlled, and patient.
By first cleaning thoroughly and then treating gently, you can often achieve surprisingly good results.
The secret is not in a quick trick… but in the right method.
