1% by volume.Label Directions
Always shake well before dispensing. Apply a generous amount to hair directly from dispenser bottle Massage into low sudsing lather as you apply Shampoo-treatment must be left on hair and scalp for at least 15 minutes for full effectiveness. Rinse Repeat if necessary Briskly comb or brush out sticky eggs and critters that don’t wash away Treatment can safely be left on overnight. Rinse in the morning Caution: Never put in palm first as it will not lather. Always apply directly to scalp and hair. Hair and Scalp Treatment: Dampen hair with hot water. Apply enough shampoo treatment to thoroughly wet hair and scalp. Wrap head with a towel and allow to penetrate hair for 10-20 minutes or overnight.