- Suspect or know that you are allergic to PPD or any other ingredients of this medicine.
- If you have active dermatitis on your skin (e.g. redness, swelling, itching).
- Have previously experienced an allergy to hair colorant.
- If you are pregnant or breast-feeding.
- If you are taking oral or topical steroids and other immunosuppressant medicines.
- If you have a temporary black or if you have had any reaction to a temporary black henna tattoo in the past.