Why people switch
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Baseline truth
GlowUp scores clean, unfiltered selfies under a fixed protocol, so skin and structure scores mean something over time. Makeup — physical or virtual — evens and conceals by design, which is its job; the measurement track has a different job, and it needs the bare face to do it.
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Skincare stack integration
The score is wired to action: a generated routine for your skin type, streaks that log consistency, and a barcode scanner that flags ingredients Safe, Caution, or Avoid before a product earns shelf space. Styling apps end at the image; this loop ends at the habits that change the next image.
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Before/after you can stand behind
The timeline and compare view document 30–90 day changes in protocol-matched scans — evidence of real change, independent of styling. A makeup app can make tonight’s photo better; only a measurement history can prove this quarter went well.