Curlsmith ultimate lengths 30-day therapy aims for fuller and longer hair. It's a high-potency hair supplement that provides nutrition for all hair types. Its formula incorporates keratin, biotin, collagen, and a variety of other hard-working ingredients. The supplement is also free of nuts and gluten, and is non-GMO. Each package contains 60 easy-to-swallow capsules, which amounts to a one month supply.