The Ultimate Guide to Home Aroma Diffuser Materials/Specifications/Certifications

The material of the aromatherapy machine should be viewed in three layers, don't be misled by the phrase "ABS body" - the shell is non-toxic ≠ the water tank is non-toxic.
When choosing the material for the outer shell of an aromatherapy machine, comprehensive consideration should be given to the safety, durability, cleaning convenience, and whether it meets personal aesthetic and usage needs. For example, priority should be given to selecting models with components that come into direct contact with essential oils and water made of safe materials, paying attention to "no filter" design, and examining anti scaling design.
Ceramic or glass: Aromatherapy machines made of these two materials are more heat-resistant, have a long service life, and have rich shapes, with an elegant, simple or gorgeous, crystal clear atmosphere.  
ABS material: Aromatherapy machines made of ABS material have good heat resistance, long service life, and rich shapes. However, it is important to avoid cheap ABS plastic because some plastic components may react with terpenes in essential oils, affecting treatment efficacy and causing safety issues.
POK material: This is an engineering plastic with excellent chemical resistance, impact resistance, friction resistance, and high barrier properties. POKETONE material produced by South Korea's Xiaoxing can be used for various purposes such as automotive fuel delivery pipelines, interior and exterior decoration materials, electronic and electrical components, and can also be used for the outer shell of fragrance machines.
The golden rule: wherever water and essential oils can come into contact, one of the three must be clearly written: "food grade PP/high borosilicate glass/304 stainless steel"; Directly downgrading the use of "environmentally friendly plastics".

• Classified by technical route (type determined first, parameters determined later) Ultrasonic (mainstream home): High frequency vibration of 1.7-2.4 MHz, producing 1-5 μ m cold mist and humidification; Regularly wash the water tank.   Heating evaporation type: PTC is heated to 55-60 ℃ to evaporate, without a water tank but damaging thermosensitive essential oil molecules (such as limonene).   Anhydrous atomizer/fragrance diffuser: cotton core+fan or high-pressure atomizer, pure essential oil, suitable for living rooms with large spaces or those who are sensitive to water mist.   Natural volatilization: rattan/gypsum/crystal, 0 power consumption, limited to 5 square meters.  
• Quick check of core parameters (home ultrasound benchmark)

• Required functions (safety bottom line)

• Automatic power-off due to water shortage (dry burn protection) - Don't buy bedroom machines without this.
• Timed 1/2/4/8 hours, fog level, switchable LED night light.
• Open waterway design (convenient for cleaning with white vinegar and soft cloth, anti mold).

The product standards implemented by aromatherapy machines mainly include GB4706 series national standards, enterprise standards, and EU CE certification standards. The GB4706 series of national standards is formulated for the safety requirements of household and similar electrical appliances, including the testing items required for aromatherapy machines, such as labeling and instructions, switch operation, electric shock protection, leakage current, and electrical strength. Enterprise standards are quality standards developed by production enterprises themselves, usually taking into account the characteristics and uses of the product.

In addition, if the aromatherapy machine product needs to be exported to EU countries, it also needs to meet the relevant standards of EU CE certification, such as EN55014-2 and EN60950-1.

• Bedroom Sleep Aid: 100-150 ml,<28 dB, PP/glass water tank, water shortage and power outage, no strong LED flicker
• Living room aroma diffuser: 300 ml+, 2.4 MHz, ceramic shell, APP timing available
• Baby room/pet home: waterless volatile or glass ultrasonic; Cat and dog families avoid phenols/tea tree essential oil
• Study desktop: USB 5V, 80ml, metal atomizer
• Export to Meiya: UL+FCC+RoHS+FDA water tank report+English manual+wide pressure adapter