Is there any kind of skin test or skin biopsy to see what cosmetic ingredients one is allergic to?

I don't know if this even exists and who would do it, a dermatologist or regular doctor. The more information the better.Is there any kind of skin test or skin biopsy to see what cosmetic ingredients one is allergic to?
go to an allergist.





they put alcohol on a small part of your skin and then place the ingredient on your skin and prick it just enough so your skin breaks, and judge by your skins reaction to determine if you are allergicIs there any kind of skin test or skin biopsy to see what cosmetic ingredients one is allergic to?
i think u use a cotton bud and dab the substase behiund ur ear.

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