Manic Panic presents semi-permanent hair dye with the Amplified formula for a longer-lasting color! It is made from vegan ingredients and has the added benefit of conditioning the hair. Pod (p-phenylenediamine) free 4 oz. Classic formula cream for the most vivid results we recommend that this product be applied to bleached or pre-lightened hair. Here are a few tips to rock this color: Always wear protective coloring gloves when applying and rinsing the color out. Make sure to use petroleum jelly or a thick conditioner around the hairline and ears to prevent any unwanted staining. Apply to dry hair and leave on for at least 30 minutes. Comb through to make sure it is applied evenly and let process until hair color dries this will prevent any unwanted bleeding ace put on protective gloves. Do not rinse hair in the shower.