Fade defy plug. No heavy perfumes. With low-level indicator light. Scratch and sniff. Gently cleans away odors for pure, light freshness. Formulated with: No heavy perfumes. No dyes. No phthalates. No formaldehyde. Febreze warmer has a blue light that: flashes twice when first plugged in to show it's working; flashes continuously when it may be time for a new refill. Terracycle: Recycle at Terracycle.com.