How can hair regrow if it was shaved to close scalp?

Hair regrowth after shaving close to the scalp is generally possible and follows the natural hair growth cycle. Here's how it occurs:

1. Hair Follicle Preservation: When hair is shaved, the hair shaft above the skin's surface is removed, but the hair follicle, located beneath the skin, remains intact. These hair follicles are responsible for hair growth.

2. Activation of Follicles: After shaving, the remaining hair follicles may enter the anagen phase of the hair growth cycle, which is the active growth phase. During this phase, the cells within the follicle multiply, forming new hair cells and a hair shaft.

3. Blood Supply: The hair follicles receive a rich supply of blood, which provides nutrients and oxygen necessary for hair growth and development.

4. Keratin Production: As the new hair shaft forms within the follicle, it consists primarily of a protein called keratin. This protein is responsible for the strength and structure of the hair.

5. Hair Shaft Emergence: As the hair grows, it eventually emerges from the follicle and becomes visible on the scalp. The hair will typically start short but will gradually grow longer over time.

6. Growth Rate and Shedding: Hair grows at an average rate of about half an inch per month. When the hair follicle reaches the end of its growth phase, it enters a resting phase (telogen phase) and eventually sheds the old hair.

It's important to note that hair growth patterns and rates can vary from person to person and may be influenced by factors such as genetics, overall health, nutrition, and any underlying conditions affecting hair growth. If you have any concerns or questions about your hair regrowth or hair loss, it's advisable to consult with a healthcare professional, such as a dermatologist or a healthcare provider specializing in hair and scalp conditions.