What are the symptoms of healthy scalp and healthy hair?

A: We believe that the main characteristics of healthy scalp and healthy hair of human beings are:

Uniform color, luster, no or little dandruff.

Neat hair;

Hair feels soft and smooth.

Hair is moist and elastic.

Hair is not greasy and light and fluffy.

Moderate density and uniform distribution.

Stable personality and good tolerance.

Easy to comb and shape.