If You Have Concerns About Allergic Reactions, You Should Discuss With Your Doctor Before Wearing Any Cosmetics.Always Read Warning Labels And Directions For Using Cosmetics.Before Using A New Cosmetic Product, Try A Test On A Small Area Of Your Skin. Wait 24 Hours. If There Is No Reaction, It Should Be Safe To Use. When Using Hair Dyes, It Is Important To Do The Test Each Time You Use It, Even If You Haven’t Had Problems Before.