Color protection up to 32 washes with your secret weapon. So Silver® neutralizes brassy warmth and corrects yellow tones on blondes and gray hair types. To use: Wearing suitable gloves, apply to wet hair, lather and rinse well. Repeat for maximum benefits, leave second lather on 3-5 minutes. Rinse. In case of contact with eyes, rinse immediately if necessary. Precautions: This product contains ingredients which may cause skin irritation on certain individuals and a preliminary test according to accompanying directions should first be made. This product must not be used for dyeing the eyelashes or eyebrows; to do so may cause blindness. Avoid contact with the eyes and skin (other than areas of application). If contact occurs, rinse thoroughly with water. Keep out of reach of children. Do not ingest. Wear disposable gloves when applying. Wash hands thoroughly after use. Do not use on sensitive or irritated scalps. Perform the following skin allergy test 48 hours before each use of this product, as allergies can develop suddenly, even though you or your client has previously used a haircolor product from this brand or another.