patch test
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
What to be aware of: If you want a colour change with a spray or dye, do a patch test first to check you are not allergic.
From BBC ● Jul. 30, 2026
Gemma had coronavirus and recovered but when she went for a patch test with the same hair dye she'd been using for years she suffered a reaction.
From BBC ● Sep. 23, 2021
Gemma suffered a reaction to a patch test despite using the same hair dye for years.
From BBC ● Sep. 22, 2021
To prevent adverse reactions, always patch test on the inside of the wearer’s wrist, Colwell-Lipson recommends.
From Forbes ● Oct. 22, 2012
