Noticing more hair than usual in your brush or shower can feel unsettling, particularly when it appears to happen suddenly. However, an increase in shedding does not always mean that you are experiencing permanent hair loss.

Seasonal hair shedding is a temporary increase in the number of hairs naturally released from the scalp at particular times of year. It is most commonly reported during late summer and autumn, although some people also notice changes during spring.

This increase may be connected to natural variations in the hair growth cycle, but seasonal shedding is not experienced in the same way by everyone. Stress, illness, hormonal changes, nutrition and hair damage may also contribute, so it is important not to assume that every change in hair density is simply seasonal.

The reassuring news is that mild seasonal shedding is usually temporary. Understanding the difference between natural hair shedding, breakage and genuine hair loss can help you decide whether your hair is moving through a normal cycle or requires professional assessment.

What Is Hair Shedding?

Hair shedding is a normal part of the hair’s natural renewal process.

Every hair follicle moves independently through a repeating cycle of active growth, transition, rest and release. Once a strand reaches the end of this cycle, it detaches from the follicle and falls away, allowing the follicle to begin producing another hair.

The four commonly recognised stages are:

• Anagen: the active growth phase
• Catagen: a short transition phase
• Telogen: the resting phase
• Exogen: the phase in which the old hair is released

Most people naturally shed approximately 50 to 100 hairs each day. This is a broad average rather than a target or diagnostic measurement. Hair length, texture, washing frequency and styling habits all affect how much shed hair you notice.

For example, if you wash your hair only once or twice a week, hairs that have already detached may remain caught among surrounding strands. When you eventually wash or detangle your hair, several days of natural shedding may be released at once.

To understand this process in more detail, read our guide to 'the natural hair growth cycle'.

What Is Seasonal Hair Shedding?

Seasonal hair shedding describes a recurring increase in hair fall during certain periods of the year.

Research involving healthy women has identified seasonal variations in the number of follicles entering the resting phase, with increased shedding often reported towards the end of summer and during autumn. Some people also describe a smaller period of increased hair shedding in spring.

One theory is that more scalp hairs remain in the active growth phase during spring and early summer, possibly helping to provide additional protection from sunlight. A greater number may then enter the resting telogen phase during summer before being released several weeks or months later.

This could help explain why shedding becomes more noticeable as summer moves into autumn.

However, the science is not conclusive. Human beings do not moult a seasonal coat in the same way as many animals, and there is unlikely to be one simple cause. Changes in daylight, hormones, temperature, routines and general health may all play a part.

Not everyone experiences noticeable seasonal shedding. For some people, the difference may be so small that it is impossible to distinguish from normal daily variation.

Seasonal Shedding vs Hair Breakage vs Hair Loss

Hair shedding, hair breakage and hair loss can all make hair appear less dense, but they are not the same process.

CONCERN	WHAT IS HAPPENING?	COMMON SIGNS
Natural or seasonal shedding	A complete hair is released from the follicle at the end of its cycle.	Longer, full-length hairs in the shower or brush; temporary diffuse shedding.
Hair breakage	The hair shaft snaps somewhere along its length.	Shorter broken pieces, split ends, frizz, uneven length and fragile ends.
Hair loss	Hair growth is disrupted by genetic, medical, hormonal, inflammatory or autoimmune factors.	Progressive thinning, widening parting, receding hairline, bald patches or loss that does not improve.

How can you tell whether hair has shed or broken?

A naturally shed strand is usually close to the full length of your hair. You may notice a small pale club-shaped area at one end. This is not the living root or the entire follicle, which remains within the scalp.

Broken hairs are usually shorter than the surrounding length and may have split, rough or frayed ends.

Breakage is commonly associated with:

• Bleaching and repeated chemical processing
• Excessive heat styling
• Tight hairstyles
• Rough brushing or detangling
• Friction from towels, clothing or bedding
• Dryness and environmental exposure

Seasonal shedding releases hair from the follicle. Breakage damages the fibre after it has emerged from the scalp.

What Causes Seasonal Hair Shedding?

The exact mechanism behind seasonal hair shedding is still being studied. Several overlapping factors may influence what you notice.

Changes in the natural hair cycle

Hair does not shed immediately after it stops growing. A strand may remain within the follicle during the telogen resting phase for several months before it is released.

This delay means that an event affecting the cycle in summer may not become visible as increased shedding until autumn.

Changes in daylight

Exposure to daylight influences many biological rhythms, including hormone production and sleep patterns. Researchers have proposed that seasonal changes in daylight may also affect the timing of the follicular cycle, although more evidence is needed before a direct cause can be confirmed.

Stress and disrupted routines

Returning to work, school or a busier routine after summer may increase stress and disrupt sleep. Significant emotional or physical stress can move more follicles into the resting phase, resulting in diffuse shedding several months later.

This is different from a simple seasonal variation and may represent telogen effluvium.

Illness and general health

Fever, surgery, infection and substantial physical strain can all interrupt the growth cycle. The resulting shedding may happen weeks or months after the original illness, making it easy to attribute the change to the season.

Nutrition and restrictive dieting

Low protein intake, iron deficiency and rapid weight loss can contribute to excessive shedding. Seasonal changes in eating habits may play a role, but supplementation should not be started without understanding whether a genuine deficiency exists.

Summer damage and hair breakage

Sun exposure, seawater, chlorine, heat styling and dehydration can leave the hair shaft drier and more vulnerable to breakage.

This damage does not necessarily increase follicular shedding, but it can coincide with seasonal hair fall and make the overall change appear more dramatic.

How Long Does Seasonal Hair Shedding Last?

Mild seasonal shedding may last for several weeks and should gradually return to your usual pattern.

There is no precise duration that applies to everyone. A noticeable increase lasting two or three months may still reflect a temporary shift in the hair cycle, but persistent shedding should not automatically be dismissed as seasonal.

Telogen effluvium, a recognised condition involving excessive diffuse shedding, may continue for three to six months. Hair volume can take longer to recover because new strands need time to grow to a visible length.

Speak to your GP or a dermatologist when:

• Shedding continues beyond six months
• Hair density is steadily decreasing
• Your parting is becoming wider
• You develop smooth bald patches
• The scalp is painful, inflamed or scarred
• You lose eyebrow or eyelash hair
• The change follows unexplained weight loss, fatigue or other symptoms
• You are worried about the amount of hair being lost

How Can You Support Healthy Hair During Seasonal Shedding?

There is no need to pursue an aggressive “hair-growth” routine simply because you have noticed a temporary seasonal change. Focus instead on supporting your general health, maintaining scalp comfort and protecting the hair you already have.

Eat a balanced diet

Hair is primarily composed of keratin, a protein. A varied diet containing sufficient protein, iron, essential fatty acids and micronutrients supports normal bodily function.

Useful sources may include:

• Eggs, fish, lean meat, pulses and tofu for protein
• Green vegetables, pulses and appropriately chosen animal products for iron
• Nuts, seeds and oily fish for essential fatty acids
• A varied selection of fruit and vegetables

Avoid taking high-dose supplements without medical advice. Excessive amounts of certain vitamins and minerals can be harmful and, in some cases, may worsen hair loss.

Look after sleep and stress

Stress management cannot guarantee that shedding will stop, but sleep and emotional wellbeing are important parts of overall health.

Helpful habits may include:

• Maintaining a regular sleep schedule
• Walking or exercising consistently
• Spending time outdoors
• Practising mindfulness or yoga
• Reducing unnecessary commitments during demanding periods
• Seeking support when stress feels unmanageable

Handle the hair gently

Hair that has experienced summer sun, heat or chemical processing may be particularly vulnerable to breakage.

Try to:

• Detangle from the ends upwards
• Avoid dragging a brush through knots
• Use heat protection before styling
• Lower the temperature of heated tools
• Avoid repeatedly wearing very tight styles
• Blot rather than rub wet hair with a towel
• Condition the mid-lengths and ends consistently
• Protect hair from excessive sun, chlorine and seawater exposure

Keep your routine consistent

Frequently changing products in search of an instant solution can make it difficult to understand what your hair and scalp need.

A consistent routine built around appropriate cleansing, conditioning and protection is usually more helpful than layering multiple treatments or relying on unproven hair-growth claims.

Why Scalp Health Matters

Healthy-looking hair begins with caring for the scalp from which it grows.

Regular cleansing removes excess sebum, sweat, environmental debris and styling-product build-up. This helps maintain a comfortable scalp environment and prevents residue from making the roots feel heavy.

Washing does not cause seasonal hair shedding. It simply releases hairs that have already completed their cycle and become detached.

Avoid delaying washing because you are frightened by seeing hair in the shower. Cleanse according to your scalp’s needs, using comfortable pressure rather than vigorous scratching.

A balanced scalp routine should support the skin barrier without leaving the scalp feeling excessively stripped, tight or irritated.

Persistent itching, flaking, soreness or inflammation may indicate a scalp condition requiring professional advice. Cosmetic haircare can support cleanliness and comfort, but it cannot treat an underlying medical disorder.

Supporting Healthier Hair with Moo & Yoo

Moo & Yoo was created by salon professionals who understand that healthy-looking hair depends on more than temporary shine. Hair needs effective cleansing, consistent conditioning and protection from the everyday factors that contribute to dryness and breakage.

Our luxury, salon-quality haircare is vegan, cruelty-free and sulphate-free, with carefully selected ingredients chosen to support the condition of both the hair and scalp.

The Miracle Shampoo gently cleanses away oil and product build-up, while the Miracle Conditioner restores softness and improves manageability. For hair that feels particularly dry or fragile, the Miracle Hair Mask provides deeper conditioning, while Miracle Milk helps detangle, hydrate and protect the hair during heat styling.

Across the collection, key ingredients include:

Marula Oil

Marula Oil contains nourishing fatty acids, vitamin E and naturally occurring antioxidant compounds. It helps condition dry hair, improve softness and protect the fibre from the visible effects of environmental and styling stress.

Icelandic Moss

Icelandic Moss is included for its moisturising and conditioning properties, helping to support a comfortable scalp and leave hair feeling soft and cared for.

Hydrolysed Wheat Protein

Hydrolysed Wheat Protein helps reinforce the hair fibre, improve its feel and reduce the appearance of damage and breakage. This can be especially valuable when hair feels finer or more fragile during periods of increased shedding.

Professional haircare cannot stop natural seasonal shedding, alter the biological hair growth cycle or treat medical hair loss. It can, however, protect the condition of the remaining hair, reduce avoidable breakage and help maintain a clean, comfortable scalp throughout the season.

FAQ’s

What is seasonal hair shedding?

Seasonal hair shedding is a temporary increase in natural hair fall during certain months. It is most often noticed in late summer or autumn, although some people report a smaller increase during spring.

Is seasonal shedding normal?

A mild, temporary increase can fall within normal variation. However, significant thinning, bald patches or shedding that continues for several months should be assessed rather than assumed to be seasonal.

Why do I lose more hair in autumn?

One theory is that more follicles enter the resting phase during summer before releasing their hairs in autumn. Changes in health, stress, nutrition and routine may also contribute.

Can seasonal shedding happen in spring?

Yes, some people report increased shedding during spring. The pattern is not universal, and evidence is stronger for seasonal variation generally than for a precise timetable applying to everyone.

How much daily shedding is normal?

Approximately 50 to 100 hairs per day is commonly used as a normal estimate. Washing frequency, hair length and texture can affect how much shed hair you actually notice.

How long does seasonal shedding last?

It may last several weeks or, in some cases, a few months. If it persists beyond six months or is accompanied by visible thinning, seek professional advice.

Can stress make seasonal shedding worse?

Significant physical or emotional stress can trigger telogen effluvium, causing more follicles to enter the resting phase. The resulting shedding often becomes noticeable several months after the stressful event.

Should I wash my hair less during shedding?

Not necessarily. Washing releases hair that has already detached. Continue cleansing according to your scalp’s needs, using a gentle technique and avoiding vigorous scratching.

Can shampoo stop seasonal hair shedding?

No shampoo can stop the biological shedding process. A well-formulated shampoo can support scalp cleanliness and reduce dryness, while conditioning products can help minimise breakage.

Can seasonal shedding cause bald patches?

Seasonal shedding is usually diffuse, meaning it occurs across the scalp. Distinct bald patches may indicate another condition, such as alopecia areata, and should be assessed.

When should I see my GP?

Arrange an assessment for sudden or severe loss, bald patches, scalp pain, inflammation, scarring, loss of eyebrows or eyelashes, or shedding that continues beyond six months.

            

Final Thoughts

Seasonal hair shedding is a temporary increase in hair fall that some people experience at particular times of year, particularly during late summer and autumn.

Although it can look alarming, natural shedding is an essential part of the hair growth cycle and does not automatically mean that your hair is permanently thinning.

The most helpful approach is to observe the overall pattern. Mild, diffuse shedding that settles is different from progressive thinning, patchy loss or an inflamed scalp.

Support your hair by maintaining a balanced diet, managing stress, cleansing the scalp appropriately and protecting the fibre from unnecessary heat, friction and chemical damage. A gentle, salon-quality routine cannot stop natural shedding, but it can help reduce breakage and keep the hair feeling stronger, smoother and beautifully cared for throughout every season.

Love,

The Moo & Yoo Team x