Question

indicate whether the statements below are true or false. for any false statements, explain why they are false.

1. scalp massage can stimulate blood microcirculation, which provides nutrients to the hair.

t f

1. it has been scientifically proven that stimulation or scalp massage increases hair growth.

t f

1. minoxidil and finasteride are the only scientifically proven treatments to help stop hair loss and possibly regrow hair.

t f

1. minoxidil and finasteride, both treatments for hair loss, are awaiting approval by the food and drug administration (fda).

t f

1. gray hair is less resistant than pigmented hair.

t f

1. genetics determines hair growth rate.

t f
once the hair grows 0.2 to 0.8 inch (a centimeter or two) away from the skin, it will return to the color it was before shaving.
f

Explanation:

1. Scalp massage can indeed stimulate blood micro - circulation which supplies nutrients to hair follicles, so this statement is true.
2. While scalp massage can be beneficial, it has not been scientifically proven to directly increase hair growth, so this is false.
3. Minoxidil and finasteride are well - known treatments for hair loss with scientific evidence, but they are not the only ones. Other treatments exist, so this is false.
4. Minoxidil and finasteride are already FDA - approved for hair loss treatment, not awaiting approval, so this is false.
5. Gray hair has a different structure and composition, and it is generally less resistant than pigmented hair, so this is true.
6. Genetics play a major role in determining hair growth rate, so this is true.
7. Once hair grows out, its color is determined by the pigmentation at the time of growth, not related to pre - shaving color, so this is false.

Answer:

1. T
2. F; Scalp massage is beneficial but not proven to directly increase hair growth.
3. F; There are other scientifically proven hair - loss treatments.
4. F; They are already FDA - approved.
5. T
6. T
7. F; Hair color is determined by pigmentation during growth, not pre - shaving color.