The Speed Improvement Is Real
Diffusing time dropped from roughly 35 minutes on the original Supersonic to about 14.5 minutes in testing, and on high heat and airflow without a diffuser, hair dried in under 10 minutes. For anyone who dries their hair daily, that's a genuinely meaningful time saving that adds up fast over weeks of use.
Smart Attachments Are a Nice, Not Essential, Touch
Each attachment uses a sensor to recall your last settings and offers recommended presets, which removes a bit of the guesswork switching between styling tools. It's a genuinely convenient feature, though it's worth noting older Supersonic attachments still work fine, they just lose the setting-memory function, so it's a nice-to-have rather than a reason alone to upgrade.
Scalp Protect Sounds Better Than It Works
This mode uses a sensor to measure distance from your scalp and lower heat accordingly, but in practice flipping hair in front of your face can cut heat you actually want on the back of your head, and the workaround is holding the dryer at an awkward angle. Testing over several weeks found no clearly noticeable difference in scalp comfort either, so treat this as a marketing highlight rather than a transformative feature.
The Wave+Curl Diffuser Is a Genuine Win for Curly Hair
Included in the box rather than sold separately, this new diffuser with dome and diffuse modes is specifically useful for type 2C and 3C curly or wavy hair, and it's a big part of why diffusing time dropped so much in testing. If your hair type doesn't need diffusing, this feature matters a lot less to your buying decision.
Worth It Mainly for Curly Hair and Attachment-Heavy Routines
At roughly $70 to $120 more than the original Supersonic depending on market, this makes the most sense for curly or wavy hair types who'll actually benefit from the new diffuser, or for anyone who uses a lot of attachments and wants the setting-memory convenience. If you mainly want efficient everyday drying with simple controls, the original Supersonic remains the better value pick.
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