How does shaving affect hair thickness and growth?

Shaving does not change hair thickness because it simply removes the hair at the surface of the skin without affecting the follicle or the growth process beneath the skin. When hair is shaved, it is cut off at its thickest part, which can make it feel coarser or appear darker initially; however, this is merely a result of the blunt edge of the hair shaft rather than an actual change in the hair itself. The number of hair follicles remains the same, and their growth rate and thickness are not influenced by shaving.

In contrast, the other options suggest physical changes to hair characteristics that do not occur due to shaving. Shaving does not impact the structure of hair follicles or alter hair texture permanently, nor does it halt hair growth altogether. Thus, the understanding that shaving does not affect hair thickness is a key concept in hair removal knowledge.