Once worn, colors cannot be “brought back” through cleaning. The same goes for damascus finish, and wood finish. Any finish.
The finishes being obscured by dirt, dried oil, or other surface contaminants is a different story. That is because the finish is covered, hidden, or even protected of you will. But
Not worn off.
And yes, colors always look great fresh out of an ultrasonic bath. But that is because the metal is wet. No different than if you coat something with oil. It will accentuate the appearance of existing color and finishes.
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B. Dudley
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