girl thin hair

Scientific insights

Thinning Hair: Causes for Women

Written by: Prof. Dr. Ingo Stoffels

When a woman notices her hair thinning or falling out, it can be due to a variety of reasons.

One common cause is known as “female pattern hair loss.” It’s in the genes, and it means the hair gradually thins over certain parts of the scalp as time goes on.

Stressful events are another big reason. Imagine the body’s reaction to things like major surgeries, extreme weight loss, or having a baby. The body might respond to these intense moments by shedding more hair than usual. The good news is that this type of hair loss often gets better once the stress eases.

Sometimes, the body’s defense system, the immune system, gets a bit mixed up and starts attacking hair follicles, thinking they are invaders. This can lead to hair thinning in small, round patches. This condition is called “alopecia areata.”

Tight hairstyles can also be a culprit. Constantly pulling hair into tight ponytails or braids can strain the hair roots, leading them to weaken and, over time, cause thinning hair.

Hormones play a big part in our body’s functioning, including hair growth. Conditions that mess with hormone levels, like polycystic ovary syndrome, can affect hair health. Even life phases, like menopause, or issues with the thyroid gland can lead to hair changes.

Diet and nutrition play a part too. If someone isn’t getting enough of certain vitamins and minerals, like iron or vitamin D, hair might start shedding more than usual. Additionally, certain medicines, especially strong ones used for serious health conditions, can have hair thinning as a side effect.

Infections on the scalp, certain illnesses, or even some skin conditions can also lead to hair loss. And, not to forget, frequently treating hair with chemicals, dyes, or heat tools can weaken it, making it break more easily.

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