What happens to your hair if you don't wash it?

Author: Judd Senger  |  Last update: Tuesday, November 18, 2025

This can lead to a greasy appearance and unpleasant odours, as well as conditions such as dandruff and an itchy scalp. Scalp build-up as a result of not washing your hair could also lead to the follicles becoming trapped, potentially affecting your hair growth and increasing the chance of ingrown hairs.

How long could you go without washing your hair?

The maximum amount of time you should go without washing is about 10 days. Its not about your hair, its about your scalp. Your scalp needs the wash to remove sebum build up and keep the follicles clear and healthy. If you are very active, then I would agree about once a week seems normal, if not more.

Can not washing your hair be damaging?

Prolonged periods of not washing can cause cause buildup on the scalp, damaging hair and even impeding its ability to grow, Lamb said... If itchy dandruff or a scaly scalp occurs, it may feel tempting to scratch. But that could further damage your scalp or hair. ``That's never particularly helpful,'' Lamb said.

What happens to your hair after not washing it?

Scalp Health Issues: Prolonged periods without washing can cause irritation, itchiness, or even conditions like seborrheic dermatitis. Hair Texture Changes: The hair may become limp or weighed down due to excess oil, and it could also become tangled more easily.

Will hair grow if not washed?

To affirm that not washing your hair makes it grow is completely false. It is a popular belief that is just another of the many hair fake news. The number of times a person washes their hair does not influence hair growth, however, not keeping it in good hygienic conditions can cause it to fall out.

Why you will never get ‘That Hair’. (I tried for 10 years, brutally honest)

Can you lose hair if you don't wash it?

If you wash your hair too infrequently, you risk scalp problems that can even lead to hair loss.

What happens if I don't wash my hair for a month?

“Less washing and altered scalp hygiene may also predispose the skin to infections with bacteria or fungi,” Dr. Camp explains. “If certain scalp conditions are left untreated, such as psoriasis and seborrheic dermatitis, it is possible that associated inflammation could damage hair and impact hair growth.”

Can I wash my hair with just water?

Despite the rave reviews of some vloggers, most hair professionals do not recommend the water only hair washing method. “Sebum is naturally quite waxy (and smelly), and water alone may not be able to remove the buildup which can be problematic for people with scalp conditions or a predisposition to scalp conditions.

Does hair smell if not washed?

Poor hygiene: Habits like not washing your hair enough can lead to a stinky scalp. Pollution: Particles from the environment can attach to your hair, creating a bad smell.

What is the no shampoo method?

The no-poo (or “no shampoo”) method is a hair-cleansing technique that removes shampoo from the equation, says Yadav. Instead of using shampoo, followers of the practice use alternatives such as apple cider vinegar, a cleansing conditioner, or just plain water.

How long should you go without washing your hair before dying it?

If your hair tends to be oily, you'll want to make sure your wash window is within 24 hours of your upcoming permanent or semi-permanent dye job. For normal-to-dry hair, that window can stretch up to three days between washing your hair and applying at-home dye.

How often should you wash your bra?

You should wash most bras after about four wears, or more frequently if you have a particularly sweaty day. As for sports bras, you should wash them, or at least rinse them with warm water, after every workout.

How long can I go without washing my hair?

Your scalp and your strands need moisture to stay healthy, so try to cleanse once a week if possible. If you're working with fine or thin hair, or you have an oil-prone scalp, you may need to suds up a few times a week, every other day, or even daily (if you're, say, running a marathon in scorching heat every morning).

Is it good to let your hair go greasy?

It's best to prevent your hair from becoming too greasy to keep the scalp healthy. Sebum is the natural oil produced by the scalp that helps keep the skin moisturised and healthy. However, if the scalp starts to become built up with excess oil and grease, this can lead to itching, redness, and dandruff.

What is the healthiest way to wash your hair?

How to Properly Wash Your Hair in 8 Simple Steps
  1. Brush your hair. Brushing your hair before washing is a crucial part of the process. ...
  2. Soak on. ...
  3. Lather for length. ...
  4. Indulge in a scalp massage. ...
  5. Rinse & repeat. ...
  6. Condition the ends. ...
  7. Hydrate with a Hair Mask. ...
  8. Soak off.

What happens if I stop washing my hair?

Shampoo is an emulsifier which helps to trap excess oil, dirt and product residue which can then be cleaned away. While you definitely want some natural oils to remain in your hair, not washing your hair will allow oil, dirt and grime to build up on your scalp.

Is just water OK for hair?

Which Hair Types Benefit From Washing With Just Water? Water-only washing works best with curly, coily, thick, and coarse textures that are prone to dryness. Chambers-Harris recommends following up with a deep conditioning mask or conditioner to seal in moisture after washing the hair with water.

What did people use before shampoo?

Before the advent of modern shampoos, people used a variety of natural ingredients and traditional methods to cleanse and care for their hair, including:
  • Herbs and plant extracts.
  • Natural soaps and oils.
  • Egg and milk mixtures.
  • Ash and clay.
  • Honey and vinegar rinses.

Can hair self clean?

Myth: If I don't wash my hair it will clean itself. Truth: There is nothing self-cleaning about hair and this is very much a myth.

What is the no poo method?

Hair washing without commercial shampoo, sometimes called no poo, includes water-only hair washing or hair washing with non-commercial products, such as baking soda and vinegar. Advocates argue that commercial shampoo is an unnecessary expense and may contain harmful ingredients.

Should hair come out when running fingers through it?

It's perfectly normal to lose a few stray strands when running your fingers, or a comb, through your hair. But if you notice increased hair being pulled out when you are being gentle, this can be a cause of concern that you should get checked over.

What happens if you don't wash your face?

Even if you don't wear makeup that day or don't leave your house, you still shouldn't get into bed without a wash first. “Dirt, oil, and other unwanted debris can still buildup on the skin throughout the day,” Saedi says. If left on, these factors can clog pores, too.

Previous article
Is my tattoo bruise or blown out?
Next article
Is it hard to build big biceps?