To control evaporation.
The hair root is in the skin of your scalp. The hair shaft is the rest of the hair that you see.
No you will not go bald. Your hair shaft can get damaged but you will not loose your hair.
The cortex layer of the hair shaft is made of cortical cells. It is the middle layer of the hair shaft and provides strength, elasticity, and color to the hair.
the purpose of the hair shaft is to protect and moisturize the scalp.
If you have a flat shaft then then you have curly hair. If you have straight hair you have an oval shaft. It always depends on what type of shaft you have. It also depends if you have wavy hair or not.
hair shaft
Many clarifying shampoos use alkaline ingredients to swell the hair shaft and allow the surfactants to penetrate more deeply. Most hair relaxers use a strong alkali to soften the hair, break the side bonds of the hair and remove curl. In addition, many conditioners and moisturizing shampoos use acidic compounds to contract the hair shaft, smoothing it and locking in moisture.
The structure of a hair shaft is where it grows and goes through the three different phases
Hair Shaft
No a rinse just lasts one wash and does not go into the hair shaft. The only way to cover gray hair is to use permanent colour.
Hair Shaft
hair shaft