Synthetic Polymer Hair Conditioners are designed for use on very badly damaged hair. A polymer is a compound consisting of many (poly) repeating units which create a chain.
When the hair which is a natural polymer, is so severely damaged that it cannot be conditioned by normal protein conditioners, a synthetic polymer may be necessary to prevent breakage and correct excessive porosity.
Daily Hair Tip
When you get a new hairstyle, ask the stylist for a lesson on how you can easily duplicate the look at home.