Fall Hair Shedding on Natural Hair: How to Tell What's Normal

Every hair on your head cycles through growing, resting, and falling out. At any moment about 10% of scalp hairs are in the resting phase, called telogen, which lasts around three to five months before the hair is shed, according to a 2020 review of the medical literature. The American Academy of Dermatology (AAD) puts normal shedding at 50 to 100 hairs a day.

That shedding is not steady across the year. A Swiss study of 823 otherwise healthy women who had come in worried about hair loss found the share of resting hairs peaked in summer and hit its low in late winter. A French study that followed 10 men for 8 to 14 years found it peaked at the end of summer and the start of fall.

An English study that counted shed hairs for 18 months found shedding peaked in August and September at about 60 hairs a day, more than double the count of the winter before. Because a resting hair stays put for months before it drops, a summer rise in resting hairs lands in your comb in the fall.

Two honest limits. All three studies were small and European, and none reports results for Black participants, so nobody has measured the seasonal curve in tightly coiled hair. And the 50 to 100 figure is a rule of thumb: a 2019 review notes that measured counts vary widely between people, so compare against your own normal.

Natural hair holds onto what it sheds. A microscopy study of tightly coiled hair described it forming a mat of interlocking strands, which helps explain why shed hairs tend to stay tangled in place until you detangle.

The AAD recommends washing Black hair once a week or every other week. Run the numbers on that schedule: at 50 to 100 hairs a day, one week of normal shedding is 350 to 700 hairs, and two weeks is 700 to 1,400. That is our arithmetic, not a study, and it is why a wash-day handful on its own is not a warning sign.

The same math applies when you take down a protective style. The AAD advises wearing braids no longer than 6 to 8 weeks, and six weeks of normal shedding comes to roughly 2,100 to 4,200 hairs (again, our arithmetic), all of it released at takedown. Seeing it in one pile is startling. It is also expected.

Gather the hair from one wash day or one takedown and look at the ends. It is the most useful check you can do at home.

A shed hair is full length. At the root end you will see a tiny rounded bulb, which dermatologists call a club hair. It means the strand finished its normal cycle and let go.

Broken hair shows up as short pieces with no bulb on either end, snapped off partway down the strand. Tightly coiled hair is fragile at every bend. A microscopy study found knots in 10% to 16% of these hairs and many shafts that looked broken, and a 2018 review describes the twists of the coil as built-in weak points that break during combing.

Breakage usually traces back to heat, tight styles, chemical processing, or rough detangling, and gentler care fixes most of it. The exception is breakage clustered at the crown (see the red flags below).

Hair loss means hair is no longer growing back where it used to, so the signs are about location, not volume: a part that keeps widening (female pattern hair loss, which the AAD notes starts around the part), thinning or a smooth patch at the crown, receding edges, or round bald patches. Each has its own treatment.

Shedding well past your normal is called telogen effluvium. A shock to the body pushes many growing hairs into the resting phase at once, and they fall out together two to three months later, which is why people rarely connect the shed to its cause.

The AAD lists these common triggers:

• Giving birth
• A high fever, or recovering from an illness
• Surgery
• Losing 20 pounds or more
• Stopping birth control pills
• Heavy stress, such as caring for a sick loved one, a divorce, or losing a job

So think back to June, July, and August. A summer illness, a hospital stay, a new baby, or a brutal stretch at work can show up in your comb in September and October, stacked on top of the seasonal shed.

After childbirth, the AAD says shedding typically starts about two months after delivery, peaks around four months, and fullness usually returns within six to nine months. In general, a shed like this lasts under six months and resolves in about 95% of cases, according to the 2020 review.

Shedding that lasts longer than six months is called chronic telogen effluvium. A 2023 systematic review concluded that many cases with that label are likely early female pattern hair loss or a cause nobody has found yet. It deserves an exam, not more waiting.

For seasonal shedding and most telogen effluvium, time is the treatment: the hair that fell was already done growing. AAD guidance protects the hair you still have:

• Detangle wet, and gently. For tightly curled or textured hair, the AAD advises brushing wet to cut breakage, and brushing as little as possible.
• Condition every wash. Coat the ends, the oldest and most fragile part.
• Keep braids, cornrows, and weaves loose. If styling hurts, ask your stylist to redo it. In the AAD's words, pain equals damage.
• Go easy on heat. Flat iron dry hair on low or medium, no more than every other day; press no more than once a week.
• Relax only new growth. Professional touch-ups every two to three months, never on already relaxed hair.
• Cover loosely. Pull hair back loosely under a scarf or wrap, and choose silk or satin.

Sources: the AAD's guides to caring for Black hair, styling without damage, and hairstyles that pull. For braids, twists, and locs, see protective styles without hair loss.

Skip the biotin: the 2019 review found the literature does not support it, and our biotin evidence review explains why. Bloodwork beats guessing. The AAD notes hair loss can signal a thyroid condition or a need for more iron or certain vitamins (see our guide to thyroid signs in skin and hair).

If a dermatologist starts you on minoxidil, expect extra shedding in the first weeks; the 2019 review describes this as a known early effect of the medicine. Our minoxidil guide covers the rest.

The crown symptoms lead the list for a reason. Central centrifugal cicatricial alopecia, or CCCA, is the most common type of scarring hair loss in Black women. The AAD explains that it destroys hair follicles and replaces them with scar tissue, so hair lost to it does not grow back. Many people with untreated CCCA say their scalp burns, stings, or itches.

Early treatment is the whole game. Started before the follicles scar, it can stop the patch from spreading and sometimes regrows hair, and the AAD says it takes prescription medication, not store-bought products. Our guide to CCCA and hair loss in Black women goes deeper.

CCCA is common and easy to mistake for breakage. In a Cleveland study of 326 Black women recruited at two churches and a health fair, 28% had visible hair loss at the crown. In a separate study, when dermatologists biopsied nine women whose main complaint was breakage at the crown, five of the eight usable samples showed CCCA and two more showed signs suggestive of early disease.

It does not always start as a neat circle on top, either: a 2024 review of 281 published CCCA cases found patchy loss and loss at the front, sides, or back of the scalp.

Receding edges point toward traction alopecia. A 2018 review found it affects one-third of women of African descent who wear tight styles for long periods, and that it can become permanent scarring if the pulling continues. See our guide to traction alopecia.

Before the visit, write down the date the shedding started and anything that happened two to three months before it, and take a clear photo of your crown and hairline. Then find a dermatologist in our provider directory.