You notice it first in the shower. Then on your brush. Then on your jumper. If you are asking, why is my hair shedding, you are not alone - and you are not necessarily going bald. Hair shedding is common, often temporary, and sometimes fixable without losing your hair over it.
The key is working out whether what you are seeing is normal daily loss, a short-term reaction to stress on the body, or the early sign of a pattern that needs proper treatment. Hair does not simply fall out for one reason. Shedding can be triggered by hormones, stress, illness, diet, scalp problems, styling habits, medication, and genetics. That is why a sensible response starts with the cause, not guesswork.
Why is my hair shedding all of a sudden?
A sudden increase in hair fall usually points to disruption in the hair growth cycle. Each hair follicle moves through growing, resting, and shedding phases. When more hairs than usual are pushed into the shedding phase at the same time, you notice a sharp change in volume. This is often called telogen effluvium.
Telogen effluvium sounds technical, but the trigger is usually quite ordinary. Emotional stress, a high fever, rapid weight loss, surgery, stopping or starting hormonal contraception, or recovering from illness can all cause the body to redirect resources. Hair growth is not essential for survival, so the follicles can take a temporary back seat.
The frustrating part is timing. The shedding often starts six to twelve weeks after the trigger, which means people frequently blame the wrong thing. If your hair started coming out more this month, the real cause may have happened two or three months ago.
Postpartum shedding is another common example. During pregnancy, many women hold on to more hair than usual because of higher hormone levels. After birth, those hormone levels drop and the retained hair sheds. It can feel dramatic, but it is usually temporary.
How much shedding is normal?
Most people lose somewhere between 50 and 100 hairs a day. That range is broad because hair density, washing frequency, length, and styling all affect what you notice. If you wash your hair only twice a week, for example, the hairs that would normally drop day by day may seem to come out all at once.
Normal shedding tends to be even across the scalp. You may see more strands in the shower or on your pillow, but your parting does not look noticeably wider and your ponytail does not suddenly feel much thinner.
Excess shedding is different. You may notice far more hair than usual when washing or brushing, increased scalp visibility, or a clear change in thickness over a few weeks. If the loss is patchy rather than diffuse, that points to a different issue and is worth checking promptly.
Common reasons your hair is shedding
Stress is one of the biggest culprits, both emotional and physical. A difficult period at work, poor sleep, bereavement, infection, or recovering from surgery can all push hairs into a resting phase. The body keeps score, even when you think you are coping well.
Nutritional gaps can also play a part. Low iron is a classic example, especially in women with heavy periods. Low protein intake, crash dieting, and deficiencies in nutrients such as vitamin D or B12 may contribute too. Hair is made largely from protein, so when intake drops, hair quality and retention can suffer.
Hormonal change is another major factor. Postpartum hair loss is common, as are changes linked to the menopause, thyroid imbalance, and androgen-related thinning. In these cases, shedding may overlap with miniaturisation, where follicles gradually produce finer, weaker hairs over time.
Then there is scalp health. An inflamed, itchy, flaky scalp is not a great environment for strong hair growth. Dandruff, seborrhoeic dermatitis, and ongoing irritation can increase hair fall or make weak hairs more likely to shed. If your scalp feels sore, greasy, flaky, or persistently uncomfortable, do not ignore it.
Overprocessing matters as well. Bleaching, tight hairstyles, heat tools, harsh brushing, and chemical treatments can cause breakage that looks like shedding. The difference is that shed hairs usually have a tiny white bulb at one end, while broken hairs are shorter and snap along the shaft.
Medication can be involved too. Some antidepressants, blood pressure tablets, acne treatments, anticoagulants, and other medicines can trigger increased shedding. It does not happen to everyone, and you should never stop prescribed medication without medical advice, but it is worth checking the timing.
When shedding is not just shedding
If hair loss runs in your family, what looks like shedding may be early pattern hair loss. Men often notice recession at the temples or thinning at the crown. Women more commonly see widening through the parting or reduced density across the top of the scalp.
Pattern hair loss and shedding can happen together, which is why the picture can be confusing. A stress trigger may cause a sudden increase in hair fall, while underlying genetic thinning makes regrowth slower or finer. That is one reason some people feel their hair never quite returns to normal after a shedding episode.
This is also where early action helps. If follicles are shrinking over time, waiting too long can limit your options. The earlier you support the scalp and hair cycle with clinically proven treatment, the better your chances of maintaining density.
What to do if your hair is shedding
Start with the timeline. Think back two or three months. Were you ill, under unusual stress, changing medication, eating less, travelling, or going through a hormonal shift? That simple step often brings the cause into focus.
Next, look closely at the pattern. Is the loss coming from all over, or from specific areas such as the temples, crown, or parting? Is your scalp itchy, flaky, or tender? Are the hairs full length, or are they snapping mid-shaft? These details matter because they point to very different solutions.
Be gentle with your hair for the next few weeks. Reduce high heat, avoid tight styles, and ease off aggressive brushing or repeated bleaching. If your scalp is irritated, treat that directly rather than piling on oils or heavy products that may make matters worse.
It also helps to support the basics. Eat enough protein, aim for a balanced diet, and speak to your GP if you suspect iron deficiency, thyroid issues, or another medical cause. Blood tests can be useful when shedding is prolonged, severe, or accompanied by fatigue or other symptoms.
A targeted hair care routine can support the recovery phase. That means choosing products designed for thinning hair and scalp health rather than simply cosmetic shine. Clinically proven formulas and scalp-focused care are usually a better bet than internet fads, especially if you want results rather than wishful thinking.
Why is my hair shedding and when should I worry?
Short-term shedding is often self-limiting, but there are times when it deserves quicker attention. If the hair loss is patchy, if your scalp is painful or inflamed, if your eyebrows or body hair are also thinning, or if you can see rapid changes in your hairline or crown, it is worth seeking professional advice.
You should also get it checked if the shedding continues beyond three to six months, or if your hair density is clearly getting worse rather than stabilising. Temporary shedding usually eases. Progressive thinning tends not to.
There is a practical reason not to leave it too long. Some causes settle on their own, while others respond better when treated early. Knowing which camp you are in can save a good deal of worry, and in some cases preserve more hair.
The good news about hair shedding
Hair shedding feels personal because it is visible, and because it often shows up before you have had time to process what may have triggered it. But in many cases, it is the hair cycle reacting to change rather than a sign that all is lost.
The trick is not to panic and not to ignore it. Pay attention to timing, pattern, scalp condition, and how long it has been going on. If you need support, choose evidence-led treatment rather than chasing miracle claims. That is the approach Julian Jay has built its reputation on since 1967 - clinically proven care, sensible advice, and solutions that meet the problem head on.
Your hair does not need perfection. It needs the right conditions to recover, and a bit of patience while it does.