Arvazallia Fortifying Protein Hair Mask with Argan Oil and Macadamia Oil is a professional protein enriched deep conditioning treatment that is specially formulated to strengthen, repair, and add volume to damaged, brittle, dry, or thinning hair while also helping to prevent hair breakage and repairing split ends. It promotes natural hair growth and helps prevent hair loss through use of an exclusive protein therapy formula which includes Hydrolyzed Wheat Protein , Aloe Vera , Argan Oil , and Macadamia Oil. It also deep conditions, detangles, and instantly transforms the texture of your hair making it softer, silkier, and easier to manage. It's sulfate free and paraben free and highly effective for all hair types including natural, permed, curly, color Treated, and keratin treated Hair including wigs and extensions. You will notice an immediate difference and transformation in your hair from the very first use. This treatment is packaged with a self-sealing cap. New units of this product will have a secured cap and will be sealed with shrink-wrap however will not contain a lid or additional seal below the cap.