When you pull out a hair bulb, you are essentially removing the entire hair follicle from the skin. This process can be painful and may cause some bleeding, but it also has some important effects on the hair and the skin.

Hair bulbs are the small, bulb-shaped structures at the base of each hair shaft. They contain the living cells that are responsible for producing new hair growth. The hair bulb is surrounded by a network of blood vessels, which supply the nutrients and oxygen necessary for hair growth. When you pull out a hair bulb, you remove the entire follicle, including the hair bulb and the associated blood vessels.
One immediate effect of pulling out a hair bulb is that the hair will stop growing in that location. Without the hair bulb, there is no longer a source of new hair growth, and the hair will eventually fall out. Depending on the location of the hair and other factors, it may take several weeks or even months for the hair to fall out completely.
Over time, the skin in the area where the hair bulb was removed will begin to heal. This process can take several weeks, and during this time the skin may be sensitive and may form a scab or small wound. As the skin heals, it will produce new cells to fill in the space left by the hair bulb. Eventually, the area will be covered with new skin and the wound or scab will disappear.
In some cases, pulling out a hair bulb can also have an effect on the hair that grows back in the same location. The new hair may be thinner or weaker than the original hair, and it may be more prone to breakage or other damage. This is because the hair bulb contains the cells that are responsible for producing the structure of the hair shaft, and without these cells, the new hair may not be as strong or healthy.
There are some risks associated with pulling out hair bulbs, especially if it is done frequently or in large numbers. When hair bulbs are removed, there is a risk of infection or other skin damage, which can lead to scarring or other long-term problems. Additionally, frequent removal of hair bulbs can damage the hair follicles, which may eventually lead to permanent hair loss in that location.
In some cases, pulling out hair bulbs may be done intentionally as a method of hair removal. This is often done using tweezers or other tools, and it can be effective in removing individual hairs or small areas of hair. However, it is important to use caution when doing this, as it can be painful and may cause damage to the skin or hair follicles.
Overall, pulling out a hair bulb can have several effects on the hair and skin. It can stop hair growth in that location, cause temporary skin damage, and affect the quality of the new hair that grows back. While it may be done intentionally as a method of hair removal, it is important to use caution and avoid excessive or frequent removal of hair bulbs to prevent long-term damage or hair loss.