With regards to our Double Trouble 2 in 1 Liner, please remember to carry out a patch test before using. Apply a small amount on the skin behind the ear and allow 24 hours to see if any reaction is caused. If any irritation does occur please use make up remover to wipe the area until the product is removed. Once removed continue to rinse for several minutes with cold water. In the unlikely event irritation persists please seek medical attention.