"Skin reactions" refers to any visible changes or responses that happen on the surface of our skin. It can include things like rashes, redness, swelling, itching, or irritation.
Tattoo dyes — especially red dye — can cause allergic skin reactions, resulting in an itchy rash at the tattoo site. (religion.blogs.cnn.com)
There can be different types of skin reactions due to a common ingredient present in the products. (stylecraze.com)
Some breeds (see the fine print) have more sensitive skin than others, but regardless, this immune activation triggers a severe skin reaction. (dallasmetropaws.com)