Bathroom ruling
Can hair dye go down the drain?
Keep it in the labeled container and away from every drain.
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Sink or drainNo
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Garbage disposalNo
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ToiletNo
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Septic systemNo
01
Why the pipe objects
Leftover dye and developer are concentrated chemical products, unlike the diluted rinse from label-directed use.
02
Do this instead
Use only as directed, keep leftovers in labeled containers and follow the package or local hazardous-waste instructions.
03
Already did it?
Do not mix in another product or attempt to neutralize it. Ventilate if the label directs, keep people and pets away, and call your local wastewater or hazardous-waste authority.