Telogen Effluvium: Why Your Hair Is Shedding, How Long It Lasts & How to Support Recovery

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Why sudden shedding happens, how long it lasts — and how to support your hair while it recovers.

Updated October 4, 2026 · 5 min read
Comb with loose hair
Telogen effluvium

Suddenly finding clumps of hair in the shower is scary. Often, the cause is a common condition called telogen effluvium — and the good news is that it's usually temporary.

What is telogen effluvium?

Woman in the shower

Normally, about 85–90% of your hairs are growing and only a small share are resting. A shock to the body can push many hairs into the resting ("telogen") phase at once. A few months later, they all fall out together.

50–100hairs a day is normal shedding
2–3 modelay between the trigger and the shedding
~6 mohow long shedding usually lasts

The timeline

The triggerIllness, high fever, surgery, childbirth, a crash diet, severe stress or a new medication.
About 2–3 months laterShedding starts — often suddenly, in handfuls in the shower or brush.
Up to about 6 monthsShedding usually slows once the trigger is gone.
3–6 months after thatNew growth becomes visible — short hairs along the part and hairline.

Telogen effluvium vs. pattern hair loss

Telogen effluvium

  • Sudden, diffuse shedding
  • Hair comes out all over
  • Usually has a trigger
  • Often temporary

Pattern hair loss

  • Gradual thinning
  • Widening part, crown or temples
  • Driven by genetics and DHT
  • Ongoing without treatment

They can also overlap: a bout of shedding can reveal underlying pattern thinning. If shedding lasts longer than 6 months (chronic telogen effluvium), see a dermatologist.

!

See a doctor or dermatologist first if your hair loss is sudden, comes out in patches, is paired with scalp pain or redness, or comes with other symptoms like fatigue or irregular periods. A blood test (for example iron/ferritin, thyroid and vitamin D) can show what's really going on.

How to support your recovery

Doctor talking to a patient
1
Step 1

Find and fix the trigger

Your doctor can check iron/ferritin, thyroid and vitamin D and review new medications. Recovery starts once the cause is handled.

Salmon
2
Step 2

Eat enough protein and calories

Hair is a low priority for your body when it's short on fuel. Crash diets are a classic trigger.

Eggs
3
Step 3

Give regrowth the raw materials

New hairs need building blocks: cystine for keratin, zinc, vitamin D3 and antioxidants. This is where nutritional support can help while your hair recovers.

Monthly planner
4
Step 4

Be patient — and gentle

3–6 monthsuntil regrowth usually shows

Avoid tight styles and harsh treatments while hair regrows. Look for short new hairs along your part as a sign of recovery.

Palm fruit
100 mg Mixed TocotrienolsThe dose used in a placebo-controlled hair study (+34.5% hair count).
Eggs
250 mg L-CystineAn amino acid building block of keratin, the protein hair is made of.
Nuts
Zinc + CopperZinc contributes to the maintenance of normal hair — paired with copper for balance.
Sunlight
2,000 IU Vitamin D3Low vitamin D has been linked to hair shedding in observational studies.
Support while your hair recovers Denra Daily Density

Denra Daily Density

Daily Density gives regrowing hair the raw materials it needs — L-cystine, zinc + copper, vitamin D3, tocotrienols — plus 320 mg saw palmetto for the DHT side. Every dose on the label, no biotin.

  • 320 mg saw palmetto — the dose used in most studies, printed on the label
  • Plus 100 mg tocotrienols, 250 mg L-cystine, zinc + copper and vitamin D3
  • No biotin, no ashwagandha, no sugar, no proprietary blend
  • Just 2 capsules a day · third-party tested
  • Give it at least 3 months — hair grows in slow cycles
320 mgSaw palmetto extract
250 mgL-Cystine
100 mgMixed tocotrienols
2,000 IUVitamin D3
15 mgZinc bisglycinate
1.5 mgCopper bisglycinate
55 mcgSelenium
90 mgVitamin C
90 mcgVitamin K2 (MK-7)
50 mcg + 2 mgVitamin B12 + B6
Check Availability →
30-day supply · 2 capsules daily · Third-party tested

Quick questions

How long does telogen effluvium last?

Shedding usually lasts up to about 6 months after the trigger is gone, and new growth becomes visible over the following months. If it lasts longer, see a dermatologist.

What are signs of recovery?

Less hair in the shower and brush, and short new hairs along the part and hairline.

Can stress alone cause it?

Yes. Severe emotional stress is a well-known trigger, as are illness, high fever, surgery, childbirth and crash diets.

Who shouldn't take Daily Density?

It contains saw palmetto, which may influence hormones. Don't take it if you're pregnant or trying to conceive, and check with your doctor first if you're breastfeeding or take hormonal medication.

Does Daily Density contain biotin?

No. It's biotin-free by design, so there's no mega-dose biotin to flag before lab tests.