Say goodbye to stubborn stains with these expert tips.
Like any stain, over time it will oxidize and turn darker/yellow/brown over time, explains Pozniak.
Similar to how an apple or avocado browns when cut open and exposed to the air (oxygen).
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This property makes curcumin a natural pH indicator.
Vinegar is a low pH, and will have no effect on a mustard stain.
Also, some folks will recommend using only cold water to remove stains, but Pozniak believes the opposite.
Natural fibers hold onto stains more than synthetics, says Pozniak.
