The Science Behind Hair Loss: Understanding the Causes and Solutions

Hair loss can be a distressing experience for both men and women. Hair is often seen as an integral part of one's identity, and losing it can lead to a loss of self-confidence and self-esteem. While hair loss can be caused by various factors, understanding the underlying causes can help individuals find the right solutions to address the issue. In this article, we will explore the science behind hair loss, the various causes, and the solutions that can help prevent and reverse it.

Common causes of hair loss and thinning

Genetics

One of the most common causes of hair loss is genetics. Androgenetic alopecia is an inherited condition that affects up to 70% of men and 40% of women. This condition causes hair to thin and eventually fall out in a predictable pattern, usually starting at the temples and crown of the head. Androgenetic alopecia is caused by the action of androgens (male hormones such as testosterone) on hair follicles that are genetically sensitive to these hormones. In men, this usually results in a receding hairline and baldness on the crown of the head, while in women, it often leads to thinning hair all over the scalp.

Studies have identified several genes that are associated with androgenetic alopecia, including the androgen receptor gene (AR), which plays a key role in the androgen signalling pathway. Other genes that have been linked to hair loss include the aromatase gene (CYP19A1), which is involved in estrogen synthesis, and the insulin-like growth factor 1 (IGF1) gene, which is involved in hair growth.

Hormonal Imbalances

Hormonal imbalances can also play a significant role in hair loss in both men and women. Hormones are chemical messengers that regulate various processes in the body, including hair growth and loss. 

In women, hormonal imbalances such as those that occur during pregnancy, menopause, or polycystic ovary syndrome (PCOS) can lead to hair loss. For example, during pregnancy, high levels of estrogen can cause hair to remain in the growth phase longer, resulting in thicker, fuller hair. However, after giving birth, estrogen levels drop, and hair may enter a resting phase and fall out. Similarly, during menopause, the decline in estrogen levels can contribute to hair loss. This is because estrogen helps to counteract the effects of androgens, which can trigger hair loss in genetically predisposed women.

In men, hormonal imbalances such as those caused by an excess of dihydrotestosterone (DHT), a byproduct of testosterone, can lead to hair loss. DHT can bind to androgen receptors in hair follicles, causing them to shrink and produce thinner, shorter hair. Over time, this can lead to the miniaturisation of hair follicles and, eventually, baldness. Overall, hormonal imbalances can disrupt the delicate balance of hair growth and loss, leading to thinning and shedding of hair in both men and women.

Stress

When the body experiences stress, it triggers the release of the hormone cortisol, which can disrupt the normal hair growth cycle. In response to stress, hair follicles can prematurely enter the resting (telogen) phase of the hair growth cycle, causing more hairs to shed at once. This condition is known as telogen effluvium and can lead to diffuse hair thinning all over the scalp.

In addition to telogen effluvium, stress can also exacerbate genetic hair loss in individuals who are already predisposed to androgenetic alopecia. This is because stress can increase the production of androgens, such as testosterone, which can bind to androgen receptors in hair follicles and trigger hair loss. Furthermore, stress can also lead to unhealthy hair habits, such as pulling or tugging on hair, which can cause physical damage to hair follicles and contribute to hair loss.

Nutrient Deficiencies

Nutrient deficiencies can also play a role in hair loss in both men and women. Hair is primarily composed of protein, so a diet lacking adequate protein can lead to hair thinning and loss. Deficiencies in other nutrients, such as iron, zinc, biotin, and vitamin D, can also contribute to hair loss.

Iron deficiency, in particular, is a common cause of hair loss in women, as iron is necessary for producing haemoglobin, which carries oxygen to hair follicles. Without sufficient oxygen, hair follicles can become weak and prone to shedding. Similarly, zinc deficiency can lead to hair loss, as zinc is necessary for DNA and RNA synthesis, which is essential for healthy hair growth. Biotin, a B vitamin, is also important for hair growth and can help improve hair thickness and texture. Vitamin D is another nutrient that can play a role in hair loss, as it helps to regulate the hair growth cycle. Deficiencies in vitamin D have been associated with hair thinning and alopecia.

Hair loss solutions from Inyun

Inyun’s science-backed nutraceuticals are a breakthrough in hair growth for both men and women experiencing hair loss or thinning. We know that hair follicle well-being requires a holistic approach. That’s why we’ve harnessed the powers of plant-based ingredients to reactivate roots both internally (in the form of hair growth supplements) and externally (a hair growth serum). This inside-out approach ensures healthy hair follicles while creating the optimum environment for natural hair growth.

Whether someone is experiencing hair loss due to genetics or stress, the result of hormonal imbalance or vitamin deficiency, our serum and supplements are the ultimate support for fuller, thicker, healthier-looking hair.

Our capsules contain seven active ingredients to help reduce shedding and promote thicker, healthier hair growth - naturally. Our oil-free serum directly targets dormant hair follicles to reactivate growth and roots existing hair to prevent further shedding. Our concentrated formula also offers deep hydration while actively fighting damaging free radicals (chemically unstable molecules) without leaving a pore-blocking residue on your scalp. Best of all, our Nutraceuticals are free from all known toxins and harmful side effects and have been clinically proven to generate visible results within 8-12 weeks.

Fuller, stronger, healthier hair.