The fragrances were created with different top, heart and base notes to match the fragrances desired to make the Doucer d'Hiver collection. A collection recalling the winter season near the fireplace that evokes softness and memories. Diffuser Refill The 250 ml Diffuser Refill allows you to refill your fragrance diffuser at any time. You will thus be able to continue to enjoy the pleasant fragrance that the diffuser diffuses in your home as many times as you want. For better distribution, also replace rattan sticks. Diffuser Refill: Winter Sweetness fragrances. The Diffuser Refill is the essence of winter seasons captured in an elegant bottle.