Why is my hair not growing? Growth versus length retention

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Short answer (2026-10-23): Hair not growing is often hair that is growing but breaking, so it never gets longer. Short fragments in your comb, rough ends and a tapering end point to breakage; slow growth from the root can come from illness, stress, low iron or vitamin D, or thyroid problems, which a doctor can test for. Protecting length means detangling gently, cutting heat and chemicals and trimming damaged ends. We found no evidence that water affects growth from the root.

Often it is growing but breaking

Hair grows from the root at a fairly steady pace. If your hair seems stuck at one length, the ends may be breaking as fast as the roots grow. This is called poor length retention. Short fragments in your comb, rough ends and a thinner tapering end all point to breakage. See hair fall or breakage.

What can slow real growth

  • Illness, stress, weight loss or iron deficiency, which the NHS lists among causes of temporary hair loss
  • Low iron, low vitamin D or thyroid problems, which doctors can test for
  • Scalp conditions

If you are also losing more hair than usual, see hair fall causes and blood tests.

What protects the length you grow

Habit Why
Detangle gently with conditioner in Wet hair is fragile; combing causes damage
Cut heat and chemical treatments Damage shortens the hair that is already there
Trim damaged ends Split ends travel up the strand
Check your water Mineral buildup makes hair rough; one Pakistani study found hard-water-treated hair weaker

Frequently asked questions

Does hard water stop hair growing?

No evidence says it affects growth from the root. It may contribute to breakage, which limits visible length.

How fast does hair grow?

It varies by person and is commonly described as about a centimetre a month. A doctor can assess slow growth.

Bal barh kyun nahi rahe?

Aksar bal barh rahe hote hain lekin siron se toot jate hain. Garmi aur kemikal kam karein, siron ko trim karein aur conditioner ke saath aaram se suljhayein.

Is Bloom Hard Water Fix a treatment for this?

No. Hard Water Fix is made for hair that feels rough or coated from mineral buildup. It is not a medical treatment, so if this is your main concern, follow the steps above and see a doctor if it persists.

Sources

Where Hard Water Fix fits

Hard Water Fix is a sulfate-free shampoo made for hair that feels rough or coated from mineral buildup. It is not a medical treatment and does not treat the condition on this page. If your water is part of the picture, you can test it and try Hard Water Fix with a 10-wash money-back guarantee, free delivery across Pakistan and cash on delivery.

See Hard Water Fix

Related questions

This page is general information and is not medical advice. Bloom is a shampoo brand, not a medical service.

Written by the Bloom editorial team. Last reviewed 2026-10-23. Found a mistake? WhatsApp +92 330 9998215 and we will correct it.

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