A skin care composition comprising : (i) a medium having a mixture of two or more immiscible phases; (ii) 0.1 wt. % to 10 wt. % of a terpolymer of vinyl pyrrolidone/acrylic acid/lauryl methacrylate having a relative viscosity of at least 3.3 cps; and (iii) 0.1 wt. % to 20 wt. % of at least one cosmetically/dermatologically acceptable skin care additive; wherein the skin care composition is free from surfactant(s), also discloses skin care composition comprising surfactants. Other embodiments of this application disclose specific sunscreen compositions with/without surfactant systems and methods for providing an enhanced care to skin of humans or animals employing such compositions.