How do you know if your hair needs a detox?

Author: Hillary Streich II  |  Last update: Friday, September 26, 2025

If you've noticed your scalp is flaking and feeling itchy and generally uncomfortable, it's likely a hair detox needs to be on the cards. That dryness causing the flaking is likely down to blocked pores (just as you get them on your face, you can get them on your scalp, too).

When should I use hair detox?

The frequency at which you need to do a scalp detox can vary depending on how much hair product you typically use, how oily your scalp is naturally, and how often you wash your hair. For optimal scalp and hair health, most people can benefit from doing a scalp detox every four weeks.

How can I detox my hair?

Start by washing your hair with a clarifying shampoo to rid your locks from build-up and excess oil. You can make your own by mixing coarse sea salt with a normal shampoo, using a ratio of 3:2. Or, if you prefer salon quality, opt for a professional treatment like Nexxus Clean & Pure Nourishing Detox Shampoo.

What are the side effects of detoxing your hair?

The effects of the detox effect can vary in intensity and duration from person to person. However, it is important to be informed that this process of detoxification can bring side effects, such as a faster greasy hairline, a very dry scalp, itching or a rash.

How do you know if you have scalp buildup?

If you've ever experienced an itchy, irritated scalp or noticed that your once-voluminous hair has gone lifeless and limp, you might be dealing with scalp buildup.

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

How to deep clean scalp build up?

Use a Clarifying Shampoo

Both Rubin and Shirazi recommend using a clarifying shampoo to tackle buildup. There are many kinds of formulations, with certain ingredients being better for curly or damaged hair. No matter which one you select, Shirazi says to use clarifying shampoo on wet hair focusing on the scalp.

How do I know if my hair needs a detox?

If you've noticed your scalp is flaking and feeling itchy and generally uncomfortable, it's likely a hair detox needs to be on the cards. That dryness causing the flaking is likely down to blocked pores (just as you get them on your face, you can get them on your scalp, too).

Does drinking water detox your hair?

Drinking more water can also help eliminate pollutants and other hair-wrecking waste products, improving hair growth. When you drink more water, it helps your kidneys and your liver work better. That matters because both of those organs are involved in your body's natural detoxification.

What toxins cause hair loss?

Poisons that can cause hair loss include arsenic, thallium, mercury, and lithium. If you ingest a large amount of warfarin, which is found in rat poisons, it can also cause hair loss.

How to cleanse hair naturally?

If yours is short to medium length, use one teaspoon of baking soda and vinegar in one cup of water. If your hair doesn't seem clean enough once it's dried, use more soda next time. You can also use white vinegar; its smell dissipates quicker than ACV, but neither lingers after rinsing and drying.

What does baking soda do for hair?

Summary. Baking soda as part of your hair care routine might allow you to replace commercial shampoos. People report that baking soda dissolved in water can remove excess oil and buildup in hair, restore pH levels, treat dryness and dandruff, and lighten dyed hair.

What is the white oily stuff on my scalp?

Scalp 101

Have you ever scratched your scalp and noticed white, waxy buildup under your nails? That's sebum mixed with dead skin cells. It's hard for shampoo alone to wash away your oily scalp issues. And issues like stress and weather can increase the scalp's sebum production, making you even oilier.

How do you test your hair for toxins?

Hair samples are tested with specific chemicals and looked at under a microscope. Hair analysis can also be used to check for poisoning caused by metals such as lead or mercury. But hair analysis alone usually is not used for this type of testing. Hair is a protein that grows out of hair follicles in the skin.

How do I know if I need a scalp treatment?

Everyone can benefit from a scalp treatment, but here are some common signs to look out for that indicate you should suggest one to your client.
  1. Excessive Oiliness. ...
  2. Flaky or Dry Scalp. ...
  3. Itchy scalp. ...
  4. Product buildup. ...
  5. Unpleasant odor. ...
  6. Hair Thinning or Shedding. ...
  7. Sensitivity or Infla-mmation.

What is a hair reset?

A hair detox involves deep cleansing the scalp and strands to remove buildup, impurities, and excess oils that may accumulate from regular use of styling products, environmental pollution, or hard water. It's like hitting the reset button for hair, allowing it to better absorb moisture, nutrients, and styling products.

How to do a hair detox at home?

  1. Mix the clay with the warm water to form a smooth paste. ...
  2. Add the vinegar.
  3. At the very end, add the essential oils (be careful, these are not recommended for pregnant women).
  4. You can apply this mask to dry or damp hair.
  5. Focus on the roots and scalp.
  6. Leave on for 15 to 20 minutes.

What is the best drink for hair growth?

Best Drinks for Hair Health
  • Green Tea – Antioxidants for Hair Protection: Rich in antioxidants that promote hair growth and balance hormones.
  • Carrot Juice – Vitamin A for Scalp Health: Essential for maintaining a healthy scalp and promoting hair growth.

Does showering increase hair growth?

How Showering Affects Your Hair. Washing your hair cleans your scalp and washes away oils in your hair, but it has no effect on your rate of hair growth or your hair growth patterns.

How to deep cleanse your scalp?

Use an Exfoliating Scalp and Hair Scrub

To gently exfoliate daily buildup, use a delicately exfoliating scalp and hair scrub as part of your hair care regimen once a week. An exfoliating scalp scrub can be used as a precursor to shampoo or as a shampoo itself and works wonderfully for a deeper cleanse.

How do you test for unhealthy hair?

Rough to the Touch

By running your fingers through your hair, you can check for general smoothness and roughness. If at any point your hair feels rough, dry, and brittle and as if random strands are sticking out, this is a sign that your hair is unhealthy and damaged.

How often should you wash your hair?

Generally, he says, the range is somewhere between once a day and once a week. “If you have very fine or thin hair, you may need to wash more often, while those with thick or curly hair may need to wash less often,” says Dr Elizabeth Bahar Houshmand, a double board certified dermatologist and hair health expert.

Why do I have crusty scabs on my scalp?

Scabs on the scalp can emerge due to folliculitis, dermatitis, psoriasis or an allergic reaction to chemical products, like hair dye or or hair treatments. It is rare for scabs to form due to severe health conditions, like skin cancer.

What does buildup on scalp look like?

While it may not be visible at first glance, a simple scratch on your scalp could reveal tiny flakes around the part in your hair or even a white, oily substance under your nails. That substance is a high concentration of scalp sebum, along with some product buildup, sweat, and dead skin cells.

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