Add a fun POP of color of to your nursery... Prince Lionheart invented and patented the world's first appliance-style wipes warmer and still produces the world's best-selling warmers. The Wipes Warmer POP. s delicate skin. The patented Ever-Fresh System works three ways: 1) Non-browning: Keeping wipes moist prevents most discoloration from occurring when wipes are warmed. Over time, additives typically found in baby wipes, cause discoloration as they warm. The Ever-Fresh System effectively insulates wipes from the warming surface, preventing browning. 3) Moisture Retention: The Ever-Fresh System keeps wipes moist by an evaporation and condensation process. Microspores in the pillow trap and release water as needed to maintain moisture content.