The attached ingredient list is a great resource for learning about product ingredients. If you suspect you are allergic or sensitive to any Naturtint products, please discontinue use immediately and take this SDS to review with a trusted medical professional, i.e., your doctor or dermatologist.
If you suspect that you are allergic to Permanent Hair Color, please do not use this type of product until after consulting a medical professional. Hair colorants are known skin sensitizers, and an allergy can develop anytime. Please perform the skin sensitivity test 48 hours before each application of hair color.