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Q&A on Safety : 18 results
- Why can’t I dye my hair while I’m pregnant?
- How soon after giving birth can I dye my hair?
- Can I dye my hair while breastfeeding?
- Why can’t I dye my hair while menstruating?
- What is the patch test?
- Do I really need to do a patch test?
- Do I have to do a patch test every time, even if I’ve used the same hair dyeing product before?
- How should I perform a patch test?
- What should I do if I have a skin reaction as a result of a patch test?
- Do hair dyeing products and bleaches (containing persulfates) cause rashes?
- What should I do if I get an allergic reaction or rash from a hair dyeing product?
- Do hair dyeing products cause allergic reactions?
- If I get an allergic reaction from a hair dyeing product or bleach containing persulfates, can I never use such products again, even if they are made by another company?
- Can I dye my hair while taking a bath?
- When I dye my hair, can I dye my facial hair or eyebrows as well?
- Part of the coloring cream has turned brown. Is it still safe to use?
- If I mix two different hair dyeing products, will I get a color roughly halfway between the two?
- Can I dye my hair immediately after bleaching?
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