Kristin Ess Hair's Signature Hair Gloss is an in-shower treatment formulated to instantly boost vibrancy + shine. Benefits Choose this color if you have dark hair and want to add rich, deep purple tonesWorks on color treated and natural brown hairVibrancy Boosting Technology creates a protective shield over the hair to instantly boost shine and help lock-in your colorAntioxidant Complex smooths and softens hair from root to tip making hair more manageableAlkaline Neutralizing System protects from color fading by preventing hard water minerals from being deposited onto the hair and scalpAmmonia-free formula will not lift, lighten, or cover greysColor lasts 3-4 weeks and will gradually fade, depending on how often you shampooWill help you keep your color looking fresh, shiny and healthyUse this in between salon visits or anytime your hair color needs a boostFor all hair typesVegan Formulated Without ParabensPhthalatesSiliconesAmmonia Includes Kristin Ess Hair Signature Amethyst Stone Gloss BottleKristin Ess Hair Signature Gloss Applicator Bottle with ActivatorInstruction sheet with plastic glovesSingle application Inactive Ingredients: Signature Gloss Toner: Water, Isopropyl Alcohol, Sodium C14-16 Olefin Sulfonate, Oleyl Alcohol, Propylene Glycol, Lauryl Alcohol, Cocamidopropyl Betaine, Cocamide Mipa, Deceth-4, Ppg-2 Butyl Ether, Ethanolamine, Toluene-2,5-diamine Sulfate, Sodium Sulfite, Fragrance, 4-amino-2-hydroxytoluene, Ceteth-10 Phosphate, Cetearyl Alcohol, Dicetyl Phosphate, Disodium EDTA, 2-methyl-5-hydroxyethylaminophenol, N,n-bis(2-hydroxyethyl)-p-phenylenediamine Sulfate, 1-naphthol, Disodium Etidronate. Signature Gloss Activator: Water, Hydrogen Peroxide, Phosphoric Acid. Suggested Use: Mix bottle 1 and 2 together, shake gently and apply all over. Wait 10-20 minutes, depending on the result you want, then rinse thoroughly. Shampoo and condition as usual. Important: Hair color can cause an allergic reaction which in certain rare cases can be severe. Therefore, you must follow these precautions. Do not use if: You have already had a reaction to a hair color product; you have a sensitive, itchy or damaged scalp. If you have a tattoo: The risks of an allergic reaction may be increased. Perform a skin allergy test 48 hours before each use of this product (see insert). Remember to buy your products 2 days ahead of time. Avoid contact of this product with eyes and skin. If product gets into eyes, rinse immediately. Wear gloves provided in kit. Thoroughly rinse hair after application. Do not use over compound henna or progressive color. Wait at least 14 days after bleaching, relaxing, perming or straightening before coloring. Keep product out of reach of children. Do not apply on children. Caution: 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. These two bottles are designed only to be used together. Do not mix with an alternative activator. This gloss can stain your shower. Read and follow insert. Store between 50- and 80-degrees F. Expiration Date: We have fresh stock each week with exceptional expiration dates. Products will expire no later than six months to 2 years after receipt.