The invention provides a personal care composition comprising polymers having the structure: wherein Q, R1, a, b, and c are described herein. The invention further provides hair care compositions comprising the polymers. Particularly, the hair care composition is a hair styling composition that provides hairstyle retention at a relative humidity exceeding about 40 percent. The invention furthermore provides a method of providing hairstyle retention to hair at a relative humidity exceeding about 40 percent, the method comprising applying to hair the hair care composition as described herein.