Using Old Home Perm Products

December 14, 2018

Does the thioglycolic acid curl activator in home perms expire or go bad? I have had it for quite a while and it's turned brown. Can I still use it?



December 14, 20180 found this helpful
Best Answer

Most chemical treatments have a shelf life of a year or so. I would not use this, especially if it changed color or odor. If texture changes, it is also time to toss.

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December 14, 20180 found this helpful
Best Answer

Do not use - replace with fresh product as it is inexpensive compared to the damage it could do to your hair.
I'm not familiar with hair dye but I know that once a product with any type of chemical reaches its use by date it is time to consider tossing it.
It may have the potential to harm your hair but at the very least it may give you a "new" color that you may not really want.

Also, all hair is different - texture/condition/type - so be safe and buy the latest date you can find and follow directions carefully.

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February 5, 2021

Does perm solution go bad if it sat in my car for 2 months and it was cold outside?


February 5, 20210 found this helpful

It usually has a shelf life of a year. If it froze, I would not use it.

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February 6, 20210 found this helpful

I believe the answer would be based around the temperature outside. If it was recent and the weather was high cold to freezing then you should not use it.
The chemicals separate in refrigerator or freezer and they do not combine well after 'thawing'.
Using this could damage your hair as one chemical could be too strong and burn or discolor your hair so do not take a chance with this; toss and buy new.

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February 8, 20210 found this helpful

If solution was unopened, approximately a long as the solution didn't freeze. (If the solution was opened, 6 months, if it didn't freeze.)

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