Polyurethane-14 and AMP-Acrylates Copolymer are anionic ingredients found in many hair sprays, gels, mousses, lotions, pomades and other styling aids. They provide a strong, flexible hold with memory in order to help your style last all day. With these ingredients, the hair is still able to move freely, yet returns to its original shape, allowing you to maintain a freshly-styled look throughout the day – whether you are styling for an everyday look or for an editorial session.
Sodium Polystyrene Sulfonate is a high molecular weight sodium salt. This polymer is very versatile and provides many benefits when used in hair and skin care products. It forms a clear flexible film that shrinks upon drying, quickly dissipates electric charge, remains stable among temperatures exceeding 300°C, and helps to reduce surface tension, helping KILLER.CURLS form and enhance the curls in your hair while remaining strong and flexible!
Article By Ashmall, K., The Technology Inside: Killer.Curls, http://lovekevinmurphy.com/technology-inside-killer-curls/