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What Is Bentonite Clay? Uses for Hair and Skin

Bentonite clay is a natural clay used as a hair mask and face mask, mixed with water or apple cider vinegar into a smooth paste.

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African Stores Editorial Team

Last updated ยท 5 min read

A bowl of grey green bentonite clay powder mixed into a smooth paste with a wooden spoon.
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The short answer

Bentonite clay is a soft natural clay used as a hair mask, a clay wash for curl definition, and a face mask. You mix the powder with water or apple cider vinegar into a smooth paste, apply, then rinse well. Patch test first. African Stores lists beauty supply shops that stock it near you.

What to remember

  • Bentonite clay is a natural clay powder used as a hair mask, a clay wash for curl definition, and a face mask.
  • Mix it with water or apple cider vinegar into a smooth, lump free paste before you apply it.
  • Never mix or store it in metal bowls or with metal spoons; use plastic, glass or wood instead.
  • Always rinse well, and patch test on a small area before a full mask.
  • This is general cosmetic and grooming information, not medical advice, and bentonite clay is for external use only, so do not eat it.

Mixing a bowl of clay at the bathroom sink is a small, satisfying ritual in many African and Caribbean homes in Britain, part of a wider love of natural, hands on haircare. Bentonite clay has earned its place on wash day as the paste people reach for when they want clean, soft, defined curls without stripping the hair, and passing on the right water to clay ratio is the kind of practical wisdom shared between friends, sisters and cousins.

Heritage runs through this quiet care of hair and skin, in the patience of sectioning, applying and rinsing rather than reaching for something quick. Using bentonite clay far from home carries a little of that culture of self care, the sense that tending to your curls and complexion is worth doing slowly and doing well. Shared gently and used with a patch test and a thorough rinse, it keeps a familiar routine alive.

What Bentonite Clay Actually Is

Bentonite clay is a soft, fine clay that forms from weathered volcanic ash, and it has been used on the skin and hair for generations. In its dry state it is a pale grey green powder, and when you add liquid it turns into a smooth, spreadable paste that many people describe as feeling slightly drawing or tightening as it dries. That drawing quality is why it is such a popular ingredient in wash off masks for both hair and skin.

In everyday beauty and grooming it sits alongside other traditional cleansers and treatments, such as African black soap, as a natural option people reach for. It is sold as a plain powder rather than a ready made cream, which is part of its appeal, since you mix only what you need. One habit matters from the very start: bentonite clay reacts with metal, so it should never be mixed or stored in metal bowls or stirred with metal spoons. Plastic, glass or wooden tools are the way to go. This article is general cosmetic and grooming information, not medical advice, and the clay is for external use only.

How to Use Bentonite Clay on Afro and Textured Hair

On Afro and textured hair, bentonite clay is used as a clay wash, sometimes called a mud wash, or as a deeper hair mask. Spoon the powder into a non metal bowl, then mix it with water or with a blend of water and apple cider vinegar until you have a smooth paste roughly the thickness of yoghurt, stirring with a plastic or wooden spoon. Some people add a little oil or conditioner to soften the mix. Apply it in sections to damp hair, from roots to ends, and leave it on for a short while without letting it dry out completely, misting with water if it starts to set.

The reward is the rinse. Bentonite clay lifts away product build up and grime while leaving curls feeling soft, clumped and defined, which is why it is loved as a gentle, low stripping alternative to some shampoos. Rinse very thoroughly with warm water, working the paste out in the shower until the water runs clear, as any clay left behind can leave hair feeling gritty. Follow with your usual conditioner or leave in. As with any wash you might alternate it with a cleanser like African black soap depending on what your hair needs that week.

How to Use Bentonite Clay on Skin

As a face mask, bentonite clay is used to draw out excess oil and refresh the skin. Mix a spoon or two of powder in a non metal bowl with water or apple cider vinegar into a smooth paste, then spread a thin, even layer over clean skin, avoiding the eyes and lips. Leave it on for around ten minutes, and do not let it dry so hard that it pulls uncomfortably, since a mask that has gone bone dry can leave skin feeling tight and red.

Rinse well with warm water, using a soft cloth to loosen the clay gently, and follow with a moisturiser as the skin can feel taut afterwards. Because the clay is drawing and can be strong, a patch test is important: try a little on your inner arm or jawline first and wait a day to check your skin is comfortable before doing a full face mask. Start with once a week rather than daily. This is general cosmetic information, not medical advice, so anyone with a skin condition or sensitive skin should speak to a pharmacist or dermatologist.

Where to Buy Bentonite Clay in the UK

Buying bentonite clay in Britain is easiest through African and Caribbean beauty supply shops, which stock it as a powder because it is a popular clay wash and face mask ingredient, often shelved near natural haircare, African black soap and shea butter. Some world food shops and health shops carry it too, usually as a plain cosmetic clay powder. Buying in person lets you check the pack, read the label and ask staff which brand people rate.

If you want to try it, an African or Caribbean beauty supply shop is the natural place to look and to compare brands. You can find beauty supply shops near you to pick up bentonite clay and other natural haircare and skincare products in your area. Used with a non metal bowl, a good rinse and a patch test first, it is a simple, low cost way to add a clay wash or mask to your routine.

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Frequently asked questions

What is bentonite clay used for on hair?

Bentonite clay is used on Afro and textured hair as a clay wash or hair mask. Mixed with water or apple cider vinegar into a smooth paste and applied to damp hair, it lifts away product build up and grime while leaving curls soft, clumped and defined. It is popular as a gentle, low stripping alternative to some shampoos, and hair is rinsed very thoroughly afterwards so no gritty clay is left behind.

How do you mix bentonite clay, and is it safe to use with metal?

Spoon the powder into a non metal bowl and stir in water, or a blend of water and apple cider vinegar, with a plastic or wooden spoon until you have a smooth, lump free paste. Never mix or store bentonite clay in metal bowls or with metal spoons, as it reacts with metal; use plastic, glass or wood instead. Patch test before a full mask. The clay is for external use only, so do not eat it.

Can you use bentonite clay as a face mask?

Yes, bentonite clay is widely used as a face mask to draw out excess oil and refresh the skin. Mix it in a non metal bowl into a smooth paste, spread a thin layer over clean skin avoiding the eyes and lips, leave it for around ten minutes without letting it dry rock hard, then rinse well and moisturise. Patch test first, and start with once a week rather than daily.

Is bentonite clay safe?

For most people bentonite clay is fine used gently on the outside of the body, but it can leave skin feeling tight or red if a mask is left to dry too hard, and it can irritate sensitive skin. Patch test on a small area first, rinse well, moisturise afterwards, and stop if it irritates. This is general cosmetic and grooming information, not medical advice, and it is for external use only, so do not eat it.

Where can I buy bentonite clay in the UK?

Bentonite clay is sold by African and Caribbean beauty supply shops, usually as a powder near natural haircare, African black soap and shea butter, and by some world food and health shops. There are several brands, so buying in person lets you check the pack and ask about it. African Stores lists beauty supply shops across the UK, so you can find beauty supply shops near you that stock bentonite clay.

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African Stores Editorial Team

Written and fact-checked by the African Stores editorial team, the people behind the UK's African and Caribbean business platform at africanstores.co.uk. Our guides draw on original research, including our census of African and Caribbean businesses across the UK, and on what shop owners and cooks across the UK tell us directly. We publish under our editorial policy and correct errors openly. Spotted something wrong? Email [email protected].

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