Hair growth is an essential part of our body’s function, and it is crucial for our well-being. Hair growth is a complex process that involves several factors, including genetics, hormones, and the environment. Hair growth occurs in three distinct phases: anagen, catagen, and telogen. Each phase has its unique characteristics, and understanding them is essential in promoting healthy hair growth.
The first phase of the hair growth cycle is called the anagen phase. During this phase, the hair follicle is actively growing, and the hair shaft is being produced. This phase can last for several years, and the length of the anagen phase determines the length of the hair.
The next phase is the catagen phase, also known as the transitional phase. During this phase, the hair follicle begins to shrink, and the hair shaft stops growing. This phase lasts for approximately two weeks.
The final phase is the telogen phase, also known as the resting phase. During this phase, the hair follicle is dormant, and the hair shaft is no longer growing. The hair is held in place by a small, club-shaped structure at the base of the follicle. This phase can last for several months, and then the hair falls out, making room for new hair growth to begin.¹ The average person loses around 100 hair a day, which is a normal part of the hair growth process.
However, if you notice excessive hair loss or thinning, it may be a sign of an underlying health condition, and you should consult a healthcare professional.²
Several factors can affect the hair growth process, including genetics, age, hormones, and environmental factors such as diet and stress. Genetics plays a significant role in determining the thickness, texture, and rate of hair growth. Age also plays a role in hair growth, as hair tends to thin and become more fragile as we age.
Hormones also affect hair growth. Androgens, such as testosterone, play a role in stimulating hair growth, while estrogen can slow down hair growth. Hormonal imbalances can affect the hair growth cycle and lead to hair loss or thinning.
Finally, environmental factors such as diet and unhealthy lifestyles can also impact hair growth. Stress can also affect hair growth by causing hair follicles to enter the resting phase prematurely. A balanced diet rich in vitamins and minerals, such as iron, zinc, and biotin, can promote healthy hair growth. These hair growth nutrient intakes can be through dietary supplements, but under the guidance of a physician.³
In conclusion, understanding the hair growth process is crucial in promoting healthy hair growth. The three distinct phases of the hair growth cycle – anagen, catagen, and telogen – all play a crucial role in determining the length and thickness of our hair. Factors such as genetics, age, hormones, and environmental factors all affect the hair growth process and can lead to hair loss or thinning.
A balanced diet, stress management, dietary supplements and good hair care habits can all help promote healthy hair growth.
¹ https://www.healthdirect.gov.au/dietary-supplements
² https://www.ncbi.nlm.nih.gov/books/NBK546248/#i3353.hairgrowthcycle
³ https://www.healthline.com/health/stages-of-hair-growth
