out of 10
The short version
Dermaphase Scanner $179
The Dermaphase delivers the most consistent readings of any home scanner we have tested, with an app that explains instead of sells. It is a niche tool, but a very good one.
Best for data-minded skin care enthusiasts
What we like
- Most consistent readings in our tests
- Clear trend charts
- No brand-specific product pushing
- Works offline
Keep in mind
- Pricey for a niche device
- Needs a steady routine to be useful
- Texture scoring can be erratic in dim light
Key specs
- Measures
- Hydration, oil, texture, redness
- Battery
- About 3 weeks of daily use
- App
- iOS and Android
- Price
- $179
Most home skin scanners suffer from the same weakness: take two readings a minute apart and you get two different answers. The Dermaphase is the first we have tested that produces consistent, repeatable numbers, which is the only thing that makes this kind of device useful.
Accuracy and consistency
We took five consecutive readings from the same spot, twice a day, for four weeks. The Dermaphase’s hydration readings varied by less than four percent between consecutive scans, compared with fifteen percent or more for rival devices.
The app
The companion app focuses on trends rather than daily scores, which is exactly right. It shows how your skin changes week to week and flags patterns, such as dehydration after long flights, without pushing products from any particular brand.
Downsides
The texture score becomes unreliable in low light, and the device only earns its keep if you use it at the same time every day. At $179, it is a lot to spend on a gadget that some people will stop using after a month.
Final verdict
The best of a young category
If you love data and routines, the Dermaphase is the home skin scanner to get. Everyone else can safely skip the category for now.
