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Why hair falls out

Tips for healthier hair

By creative content Published 15 days ago 4 min read

Aging and genetics can both cause hair loss. The underlying cause of hair loss affects what treatments will be most effective. Options include supplements, medicated ointments, and lifestyle changes.

Hair loss is a concern for some people. Depending on the cause of hair loss, certain practices and treatments may help strengthen or regrow hair.

This article contains several tips for preventing hair loss and ways to regrow hair.

Why hair falls out

Hair grows and eventually falls out as part of its normal cycle. It can build up on hair brushes, pillows, or shower drains.

Most people will not notice the natural hair loss that occurs daily. Hair thickness and the hairline usually remain the same.

People are more likely to notice excessive hair loss, which may be due to an underlying condition. Symptoms of excessive hair loss can include:

• sudden loss of hair

• losing patches of hair

• noticeable thinning

Several possible factors may cause excessive hair loss.

One of the most common causes involves genetics. According to a 2019 review, pattern baldness affects up to 50%Trusted Source of men and women.

Commercial products could help to slow and treat this type of balding. This includes products like minoxidil (Rogaine).

Pattern baldness occurs slowly with aging. Some more immediate causes of hair loss can include:

• chemotherapy or radiation therapy

• hormonal changes, such as those caused by thyroid issues or menopause

• emotional or physical stress

• some tightly pulled hairstyles, such as cornrows or ponytails

• medications for blood pressure or cancer

Maintaining good hair and scalp care

• Taking proper care of the hair and scalp can help prevent hair loss. It may also improve hair growth. Keeping the scalp and hair clean may also prevent hair damage and loss.

• The American Academy of Dermatology Association (AAD) recommends gently massaging the shampoo into the scalp but not into the hair. The Association also recommends using conditioner after every shampoo.

• The AAD states that wearing tight hairstyles such as ponytails, buns, or cornrows can damage hair and recommends loose hairstyles that do not pull on the hair.

Using caffeine-infused products

• Caffeine in topical formulations such as shampoo and conditioner may prevent hair loss as effectively as monoxidil, according to a 2020 review. Caffeine stimulates metabolism and the proliferation of cells.

Applying antioxidants to the scalp

• Using shampoo or scalp treatments that contain antioxidants may decrease hair loss and improve the health of the scalp.

• Women who used either a shampoo or leave-in scalp treatment containing the antioxidant piroctone olamine for an 8-week period had increased hair growth and more improved scalp conditions than women who used placebo products, according to a 2021 clinical trial

• Protecting hair while sleeping

• A silk or satin pillowcase can help prevent hair breakage caused by friction, tangling, and tugging.

• Going to sleep with wet hair may weaken the strands and may cause breakage. When hair is wet, it is in a vulnerable state.

Using essential oils

Applying certain essential oils to the scalp may boost hair growth.

A small 2021 studyTrusted Source found that pumpkin seed oil, applied topically to the scalp for three months, significantly increased hair regrowth in people with female pattern baldness.

Rosemary oil applied to the scalp may be as effective as minoxidil, according to a 2015 randomized controlled trialTrusted Source.

In a 2020 studyTrusted Source of people with central centrifugal cicatricial alopecia (CCCA), a type of scarring hair loss experienced by women of African descent, the following were among the essential oils that showed promise for increasing hair growth:

• jojoba oil

• lavender oil

• peppermint oil

• tea tree oil

Researchers still need to conduct larger studies into the effects of essential oils on hair growth to determine their effectiveness for other causes of hair loss.

Taking multivitamin supplements

Studies dating back several years suggest vitamins help prevent hair loss.

A 2019 review in Dermatology and TherapyTrusted Source examined the role of various vitamins and minerals in preventing hair loss. The role of vitamins and minerals in hair loss remains unclear.

However, vitamin deficiencies may be a risk factor for hair loss. Some vitamins and minerals that may help include:

• selenium

• vitamin B

• zinc

• vitamin D

• iron

• vitamin A

Can hair loss be reversed?

Whether hair growth can return depends on the cause of the hair loss. A dermatologist can determine whether a person’s hair may regrow on its own.

Hair loss may be temporary and reversed for the following conditions:

• If medications are causing hair loss, hair may start growing back once the person stops taking the medication. It can take up to 18 months for complete regrowth.

• During pregnancy, hair loss may occur due to decreased estrogen levels. Many people also experience temporary hair loss about 3 months after childbirth.

• In mild cases of the autoimmune disease alopecia areata, hair loss may be reversed after treatment.

• Cancer treatment such as chemotherapy or radiation therapy can cause hair loss that may be reversed when the treatment is completed.

• People may experience significant hair loss due to stress for weeks to monthsTrusted Source after a major surgery or after having a major illness.

• People may experience hair loss if they lose over 20 pounds.

To help hair grow again, a dermatologist may perform a procedure such as the following:

• Corticosteroid injections into bald or thinning areas every 4 to 8 weeks. The AAD says this is the most effective treatment for alopecia areata.

• Platelet-rich plasma (PRP) therapy involves a doctor drawing a small amount of blood and injecting the plasma into bald areas. The 10-minute procedure is necessary once monthly for 3 months, then once each 3 to 6 months.

A dermatologist may also prescribe finasteride (Propecia) to slow hair loss and boost hair growth.

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