ME+ dye technology, by Wella was created to minimize possible NEW allergy or sensitivity to hair color. It is present in many shades of Wella Kolestone Perfect Hair Color. This ingredient is a scientific development created by the chemists st Wella. Wella educators explain this completely during their brand lesrning sessions.
Be clear: Some individuals can be sensitive to ANY product or ingredient. That is why manufacturers direct that patch tests are performed prior to every application of color! B
Thank you Beth I love reading and hearing you teach about hair color and new technology your an amazing educator and I would love to hear you talk about new hair color technology. Can you research more about ammonium carbonate in the new new Koleston express by wella. Thank you so much.