Chapter 01

Understanding Hair Weight

Learn the difference between weight and density. Many problems that look like a lack of volume actually come from hair weight.

—Density means number of hairs; weight means the pressure the hair structure puts on itself
—Weight is affected by length, density, strand diameter, moisture retention, internal structure, and environment
—Before you cut, ask: where is the problem? Where has weight collected?

Key question: is the problem really volume — or weight?

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