, which effectively relaxes the muscles into which it is actually injected. With no contraction of those muscles, the skin lays flat and smooth. These wrinkles caused by facial movement are identified as dynamic wrinkles, and you probably know them as crow’s feet, frown strains, or “elevens.” Restylane Refyne ®: https://www.finduslocal.com/local-business/massachusetts/boston/skin-deep-med-spa_231-newbury-st-floor-2-boston-ma-02116/