patch test
Noun
Meaning
a test to determine allergic sensitivity by applying small pads soaked with allergen to the unbroken skin
Source: WordNetHypernyms
Examples
I had patch test don’t which turned up nothing.
Repeat the patch test with the new brand.
This face wash has many fragrances thus, people with sensitive skin especially those prone to fragrance allergies should do a patch test before trying this face wash.
Yes, it might irritate sensitive skin, patch test and cautious use is recommended.
Patch testing Patch test Patch testing is a method used to determine if a specific substance causes allergic inflammation of the skin.