I have a 30 year old Baldwin piano with a matte finish. I've been teaching piano for over 20 years so it had a lot of fingerprints etc. Initially I was very disappointed with this product but then I realized I wasn't wearing enough. In hard-to-reach places I smeared it with a puddle. It made a difference, but I'm still not sure if it makes a difference. Finishing is better but not enough. I could try another product but I wouldn't buy this one again.
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