Short answer. Yes. Softens the hand and removes residual dye that could mark a white undershirt.
The only routine that matters
Inside out, cold, darks with darks, low heat. That is the entire Yireh care philosophy. You bought the color on purpose — treat it that way in the laundry room.
Burgundy, teal, and royal blue especially do not belong in a hot load with towels.
