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Henna, eyebrow and eyelash paint products contain ingredients that can cause skin irritation or allergic reactions in certain people.
Henna powder contains PPD, an aromatic amine that is used in all types of eyebrow and hair dye, which can cause an allergic reaction. Advice: Always test with "black or dark brown". It contains the highest percentage of PPD.
Before you work with henna, eyebrow or eyelash paint products at your customers, always do a patch test. Allergy patch testing is important, even though Henna is a natural product. Do the patch test on the wrist or behind the ears for 24 hours be performed up to 48 hours before the treatment is performed.
Clean and rinse a small piece of the customer's skin behind the ear or on the inside of the forearm with soap.
Mix the products according to the preparation instructions. Apply the mixture to a small area behind the customer's ear or on the inside of the forearm and let it harden for 2 minutes.
Remove the mixture with a cotton ball with water. Advise your customer to come back in 24 to 48 hours. If no irritation or inflammation of the skin is visible, it is usually assumed that there is no hypersensitivity to the product and that the treatment can be performed.
When the client experiences a (slight) irritation of the airways, he or she must immediately call in medical assistance and consult a doctor.
If itching, redness or stains on the skin occur in the days after the patch test, or swelling of the eyes, face or skin, it is recommended that the customer consults a doctor and does not undergo the treatment.
