Describe the process of hair formation, and list several factors that may influence (a) growth cycles and (b) hair texture. Explain each of these familiar phenomena in terms of what you learned in...

Describe the process of hair formation, and list several factors that may influence (a) growth cycles and (b) hair texture.

Explain each of these familiar phenomena in terms of what you learned in this chapter: (a) pimples, (b) dandruff, (c) greasy hair and “shiny nose,” (d) stretch marks from gaining weight, (e) freckles.