Guides
How skin actually
works
Longer explanations of the things a scan result assumes you already know — what your skin type really is, how to introduce actives without wrecking your barrier, and what a photo-based analysis can and cannot measure.
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What Is My Skin Type? How to Determine Your Skin Accurately
Most online quizzes force your whole face into one single label. Real faces have distinct zones with vastly different oil and hydration profiles.
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How to Build a Skincare Routine: A Phased, Evidence-Based Guide
Starting five new products at once is the fastest way to destroy your moisture barrier. Learn the 4-phase introduction schedule used by Skinzy.
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What Is AI Skin Analysis? How Computer Vision Analyzes Skin
Beyond marketing quiz wrappers: how real computer vision, facial landmark tracking, and specialized classifiers evaluate skin from a photo.
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Is AI Skin Analysis Accurate? An Honest Answer
Most tools answer this with a marketing number. Here is what our scanner measures well, what it measures poorly, and where it refuses to answer at all.
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AI Skin Analysis vs a Dermatologist: What Each Is Actually For
These are not competitors. One measures visible surface properties continuously and cheaply; the other diagnoses disease. Confusing them is how people delay care.
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How to Take a Selfie for a Skin Scan
Skinzy will not let you submit a photo it cannot read. This is what the camera is checking while you hold still, in the same numbers the code uses.
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How to Read Your Skin Score Report
Every number on the report is a severity measurement, not a grade. Lower is better, and a 2.4 is an ordinary, healthy result.
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Why Your Skin Scan Results Change Between Scans
Two photos of the same face, minutes apart, will not score identically. Here is how much they actually differ, measured rather than asserted.
Looking for a specific ingredient?
The guides cover method. For a single ingredient — what it does, how long it takes, what it clashes with — browse the ingredient library.
Looking for food, sleep and habits?
What diet, gut health and everyday habits can and cannot do for skin, graded by the evidence: Skin & Wellness guides.
Written & maintained by Yash Ghansham ThakareLast updated