5 Best Types of Diffusers (2026 Expert Guide & Hands-On Testing)
What Are the Main Types of Diffusers? What is types of diffusers? A diffuser is a device engineered to disperse essential oils, moisture, or fragrance into the surrounding air to improve ambient humidity, mood, or indoor air quality. The five core categories include ultrasonic, nebulizing, heat, evaporative, and passive diffusers, each relying on distinct physics … Read more