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What are the four stages of hair growth?

Anagen, catagen, telogen, and exogen

The four stages of hair growth are accurately identified as anagen, catagen, telogen, and exogen.

In the anagen stage, hair is actively growing, and this phase can last for several years, depending on genetic factors and other conditions. This stage is critical because it determines the overall length of the hair and is characterized by the formation of new hair cells in the hair bulb.

The catagen stage is a transitional phase where hair growth slows down and the hair follicle shrinks. This stage lasts for a few weeks and marks the end of the active growth period, where the hair becomes detached from the nourishing blood supply.

During the telogen stage, the hair is in a resting phase. While the hair does not grow in this phase, it remains in the follicle until it is pushed out or shed. This stage can last several months, and once it ends, the hair is shed, making way for new growth.

The exogen phase is often considered a part of the telogen phase, where the hair strand is fully shed from the follicle. It's important in maintaining the natural cycle of hair growth as it allows for new hair to emerge.

Other options include terms related to hair growth or properties, but they mix

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