Glogau Classification (Photoaging)

The Glogau classification of photoaging, by the severity of wrinkles, keratoses, and dyschromia, types I/II/III/IV.

Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Glogau type
II - wrinkles in motion (dynamic)

Result: Glogau type II: wrinkles in motion, with early keratoses and dynamic wrinkles.

The tool opens with these values already filled in. Replace them with your own.

What the result means

Type I
No wrinkles: early photoaging, mild pigment changes, minimal wrinkles.
Type II
Wrinkles in motion: early keratoses and lentigines, dynamic wrinkles.
Type III
Wrinkles at rest: dyschromia, telangiectasias, visible keratoses, static wrinkles.
Type IV
Only wrinkles: yellow-gray skin, prior malignancies, wrinkles throughout.

What you enter

  • Glogau type
How this is calculated

Glogau RG. Aesthetic and anatomic analysis of the aging skin. Semin Cutan Med Surg. 1996;15(3):134-138. Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.