k hall designs has been hand making reed diffusers longer than almost any domestic company, and has found the best elements for a quality product. Thicker reeds saturate thoroughly, allowing for more effective scent dispersement. Only the highest quality fragrance and essential oils are used. The blend is made with cosmetic grade ingredients allowing the diffuser oil to be used as a personal body scent. Stored and shipped in a shatterproof amber bottle to avoid the light, the scent maintains it's integrity until use.