ALLERGY ALERT TEST (AAT) Skin Patch Test In rare cases an **allergic reaction** can produce redness, itching and blistering. Therefore an allergy alert test or another evaluation should be performed, before each product use, even by clients who have already used the products before. Remember that the allergy alert test has to be performed 48h before use. Your client should perform the allergy alert test on an area of skin sized approximately 1cm x 1cm on the inside of the elbow. * Apply a small amount (app. size of a pea) of the product in a thin layer on the inside of the elbow with a cotton bud * Leave it uncovered for the recommended processing time * processing time up, wash off the product carefully with lukewarm water If any reaction occurs during the processing time or during the following 48 hours, your client should rinse immediately and the process should not be performed. This test represents an important precaution. However, be aware that even if an allergy alert test has been carried out, the client may still experience an allergic reaction when using. The allergy alert test is not a guarantee of avoiding future allergic reactions. Please consult a doctor if there are any doubts.