Answer;
Allergic contact dermatitis.
The reaction may be classified as allergic contact dermatitis.
Explanation;
-Contact dermatitis is a red, itchy rash caused by direct contact with a substance or an allergic reaction to it.
-Allergic contact dermatitis is a manifestation of an allergic response that is caused by contact with a foreign substance.
-This causes the body to release inflammatory chemicals that can make the skin feel irritated and itchy.
Im going to have to go with C. they pass through channels in the cell membrane