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HAIR FACTS

→ HAIR GROWTH CYCLE
→ HAIR DENSITY VS. TEXTURE
→ CHEMICAL HAIR FACTS
→ HAIR PROPERTIES
→ HAIR POROSITY AND HAIR DAMAGE
→ DIFFERENT PEOPLE, DIFFERENT HAIR
→ STRAIGHT, WAVY OR CURLY HAIR

Read more about other Hair Science topics here:

→ INTRODUCTION
→ CHAPTER CHEMICAL BACKGROUND
→ CHAPTER COLOR THEORY

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