How to clean piano and keyboard keys that are yellow. Works on synthesizer and Piano keyboard plastic keys. Clean the yellow on your keyboard keys / synth keys with this technique I use for cleaning and whitening.
I bought a keyboard online that had yellow keys due to damage from sunlight. I didn't think anything would get them white again but I discovered a whitening technique using salon care 40 that did the job with out using bleach.
Now this piano key cleaning trick worked for me but you have to still use caution before doing this yourself. I can only tell you how I cleaned my piano keys, you have to take responsibility when cleaning keys for yourself.
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