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GlossaryHair Types (Hair Classifications)

categorizes hair by curl pattern, thickness, and structure

Hair types, also known as hair textures or hair classifications, refer to the categorization of hair based on its curl pattern, thickness, and overall structure. The most common system classifies hair into four main types: Type 1 (straight), Type 2 (wavy), Type 3 (curly), and Type 4 (coily or kinky), with further subcategories (A, B, C) within each type to describe variations in curl tightness and texture. Understanding hair types is crucial for selecting appropriate hair care products and treatments.

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learn RU58841

a potent but unapproved and potentially problematic topical anti-androgen

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Research

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research Shape Variability and Classification of Human Hair: A Worldwide Approach

95 citations, January 2007 in “Human biology”

Human hair can be classified into eight types based on physical features, not ethnicity.

research A New Practical Classification for Spatial Distribution and Morphology of Human Hair: Ahmad's LGMA Classification

3 citations, October 2017 in “Journal of Cosmetic Dermatology”

Dr. Muhammad Ahmad created a hair classification system to help improve hair restoration surgery outcomes.

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community 6 months aggressive treatment for hair loss

in Progress Pictures 114 upvotes 10 months ago

The user shared a 6-month aggressive hair loss treatment progress, using oral minoxidil, finasteride/minoxidil topical, dutasteride, derma stamping, Nizoral, and daily Cialis, which notably improved regrowth. Commenters observed significant improvement, with one noting a change from a Norwood 5 to a Norwood 1 in hair loss classification.

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