Skin Types
Fitzpatrick Skin Type
In 1975, Thomas B. Fitzpatrick, MD., Ph.D., developed a classification system for skin typing, which was based on a persons response to sun exposure in terms of degree of burning and tanning.
Acne
Quick Reference Guide for Acne Sufferers
Leeds Acne Classification
Treatment Guidelines
Moderate and Moderate to Severe Acne
How to Treat Red Marks & Acne Scars