NEST Fragrances candles are made with a premium, soft, highly refined, cosmetic-grade wax that was developed over many years to optimize burn and fragrance diffusion. The ingredients used are the highest grade of wax materials and the finest fragrance oils available. NEST Fragrances candles are well-known for infusing a room with fragrance. Our elegant Reed Diffusers are carefully crafted with the highest quality fragrance oils and are designed to continuously fill any space with a lush, memorable fragrance. The alcohol-free formula releases fragrance slowly and evenly into the air for approximately 90 days.