A shampoo bar is a solid cleanser in place of a bottle of liquid shampoo. Wet your hair, work the bar into a lather, massage your scalp and rinse well. Let the bar dry on a draining dish between uses, because that keeps it firm and helps it last longer.
Why choose a bar?
A bar has no bottle, drips or spills, and a 60g bar is easy to pack in a gym bag or carry-on. Our Onion & Biotin Shampoo Soap page estimates one 60g bar lasts roughly 50 to 75 washes depending on hair length and how it is stored. Browse the shampoo and conditioner collection and the wider hair care collection.
Bar or bottle?
| Shampoo bar | Liquid shampoo | |
|---|---|---|
| Packaging | Often just a bar, with little or no plastic bottle | A bottle, usually plastic |
| Travel | No leaks and no liquid to measure | Needs a travel bottle and may count toward liquid limits |
| What you pay for | Concentrated cleanser. Our Onion & Biotin page notes that bottled formulas are mostly water | Formula plus a large share of water |
| Storage | Needs a draining dish so it can dry between uses | Stands on a shelf |
| Lather | Builds when you work the bar against wet hands or hair | Pours ready to lather |
How to use a shampoo bar
- Wet your hair thoroughly.
- Work the bar between wet hands or over your hair until it lathers.
- Massage the lather into your scalp and through the lengths.
- Rinse well, and keep the bar away from your eyes.
- Stand the bar on a draining soap dish so it dries fully between washes.
Getting the best from a bar
- Wet your hair fully first. A bar lathers best on thoroughly wet hair.
- Lather in your hands for long hair. This puts the lather on your hair without dragging the bar through tangles.
- Rinse thoroughly. Some people find that soap-based bars can leave a film if they are not rinsed well, especially in hard water.
- Do not leave the bar in the water. Standing water makes it soft and shortens its life.
- Be patient. If your hair feels different after switching, give it a few washes before judging.
Bars in our range
| Bar | Built around | Good to know |
|---|---|---|
| Onion & Biotin Shampoo Soap | Biotin, onion extract and rosemary | Handmade 60g bar. Formulated without sulfates or parabens, and made without nuts, soy or gluten |
| Ginger & Polygonum Shampoo Bar | Ginger and Polygonum (also called Fo-ti or He Shou Wu) | Cold-processed 60g bar with no sulfates, no parabens and no synthetic fragrances, for all hair types |
| Black Castor Oil Shampoo Bar | Black castor oil, jojoba oil and olive oil | 60g bar |
| Rosemary Shampoo Soap Bar | Rosemary extract and plant-based cleansers | 60g bar with no silicone coating |
| Tea Tree Essential Oil Shampoo Soap | Tea tree oil | Handmade in small batches, 60g |
| Cinnamomum Herbal Solid Shampoo Bar | Cinnamomum extract in a base of herbal oils | 60g bar |
| Pink Rose Shampoo Soap | Rose essential oil and plant-based cleansers | Handmade. The rose oil is mainly for scent |
These are cosmetic cleansers. We do not claim that any bar will grow hair or treat a scalp condition.
Matching a bar to your preference
We do not sort bars by promised results, but the product pages give some guidance on character.
- Simple and sulfate-free. The Ginger & Polygonum bar is cold-processed with no sulfates, no parabens and no synthetic fragrances, for all hair types.
- Allergy-conscious. The Onion & Biotin bar is made without nuts, soy or gluten. Check the page against your own allergies.
- Oily hair by midday. The Cinnamomum bar is formulated to gently lift excess oil without a harsh strip.
- Plant-oil blends. The Black Castor Oil bar is built on black castor oil, jojoba oil and olive oil.
- Scent-led. Tea tree and Pink Rose bars lean on their essential oils for aroma.
See also the black soap collection for other handmade solid bars.
Making a bar last
Keep it out of standing water, let it dry between washes and store it where it can drain. Handmade bars are made from plant-based oils, so check the product page for ingredients if you have allergies. If your scalp becomes irritated, stop using it and ask a doctor. For other solid cleansers, see the herbal soaps collection.
Related reading
Frequently asked questions
How long does a shampoo bar last?
Our Onion & Biotin bar page estimates one 60g bar lasts roughly 50 to 75 washes, depending on hair length and how it is stored.
How do I make a shampoo bar last longer?
Let it dry fully on a draining dish between washes, which keeps it firm instead of soft and quick-dissolving.
Are your shampoo bars sulfate-free?
The Onion & Biotin and Ginger & Polygonum bars are formulated without sulfates or parabens. Check each product page for the others.
Can I take a shampoo bar in a carry-on?
A solid bar has no liquid to leak, so it is easy to pack. Check your airline's rules to be sure.
Do shampoo bars work for all hair types?
Our Ginger & Polygonum bar page says it is formulated for all hair types. For other bars, read the product page and choose by the ingredients and character that suit you.
Why does my hair feel different after switching to a bar?
A change in routine can feel different at first. Rinse thoroughly, and give it a few washes before deciding.
Should I use a conditioner after a shampoo bar?
Some people do and some do not. It depends on your hair, so try it without first and add a conditioner if you want one.
This guide is general information about fragrance, aromatherapy and home use. It is not medical advice.
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