patch test

The patch tests were extended to include 26 individuals with no history of allergies.

These controls were administered a patch test of the same preparation.

Try a patch test first, being sure to expose the area to the sun.

Allergic sensitivity to quaternium-15 can be detected using a patch test.

This can be accomplished by having patch tests, a method commonly known as allergy testing.

The patch test is really just induction of a contact dermatitis in a small area.

One type - a patch test - is shown here.

A patch test is frequently recommended, as per manufacturer's directions.

Be sure to do a patch test for allergic reactions before applying the dye to your hair.

Almost all hair dye products include instructions for doing a patch test.