Meder Beauty

Beyond Dry, Oily, Normal: How to Really Diagnose Skin

Dr. Tiina Meder Episode 77

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0:00 | 46:28

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The old "dry, oily, or normal" skin classification is over 100 years old. Even astrology is more complicated. In this episode, I share the full professional skin diagnostic I've taught to practitioners in more than 30 countries, a precise, 7-step algorithm for building what I call a skin passport.

I walk through the whole process: how to use Dr. Leslie Baumann's 16 skin types, how to grade dryness and oiliness, how to score acne, sensitivity, and redness objectively, how to identify the different types of wrinkles (and why treating the wrong type wastes your time and money), and how to properly assess pigmentation with a real clinical index rather than a photo. Whether you're a beautician, esthetic nurse, or simply someone who wants to understand their own skin and have smarter conversations with professionals, this episode gives you the tools to diagnose skin with nothing more than your knowledge and your eyes, no expensive machines required.

Episode resources:

Dr. Leslie Baumann Skin Types

The Melasma Area and Severity Index (MASI)

Proposal for Cut-off Scores for Sensitive Skin on Sensitive Scale-10 in a Group of Adult Women by Professor Laurent Misery

Standard Evaluation of the Patient: The Merz Scale

The Investigator's Global Assessment (IGA) - Acne Grading Scale

The Skin Type Solution: A Revolutionary Guide to Your Best Skin Ever by Leslie S. Baumann


Learn more from the previous episodes: 

Understanding Wrinkles: Types, Causes & What Actually Works

Understanding & Treating Pigmentation Naturally with Sarah Drew

Skin Pigmentation: Causes, Triggers, and Treatments That Work

Understanding Acne: Myths vs. Science


Shop the skincare we talked about today:

Energy-Soin Revitalizing antioxidant serum

Red-Apax Active care serum for redness and rosacea

Hydra-Fill Mask Deeply moisturizing sheet mask

Myo-Fix Active care cream for mimic wrinkle control



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