HomeBuying GuidesHealth & BeautyHow To Buy The Best shampoo bar

How To Buy The Best shampoo bar

Looking to buy the best shampoo bar? Check out our guide below and you’ll be well-placed to select the correct one for your needs.

For some years, plastic trash has been a major environmental concern, with single-use plastic bottles among the most common culprits contributing to landfill mounds.
One approach is to refill and reuse your plastic bottle, and another, which is becoming increasingly common, is to use a solid shampoo bar.

A shampoo bar looks a lot like a bar of soap.
Simply moisten the bar and lather it into your hair to use one.
Shampoo bars are available in a variety of colours and textures to suit various hair types, including coloured hair and hair that requires a little additional attention.
Many lines also feature conditioner bars, allowing you to follow up your hairwash with a long-lasting conditioning treatment.

How can you select the best solid shampoo for your needs?

What are the benefits of using solid shampoo?

The primary benefit of solid shampoo is that it reduces single-use plastic waste significantly.
According to a 2019 analysis, UK consumers waste up to 3.7 million tonnes of plastic each year, the majority of which comes from packaging.
Approximately half of the non-recycled bottles were used for drinks, while billions of bottles are discarded from bathrooms every year.
Solid shampoos do away with the bottle entirely and are usually packaged in recyclable card or paper, so switching to a solid shampoo is a simple and practical method to help the environment by decreasing bottle waste.

Another benefit of using a solid shampoo is the cost.
A solid bar of soap will normally last three times as long as a standard-sized bottle of shampoo.
They’re also tidy and portable, fitting into even the tiniest of bathrooms or a travel bag.
As we’ll see shortly, conserving the environment does not imply sacrificing quality.
Many solid shampoos have high-quality natural ingredients that leave hair silky, lustrous, and smelling great.

What is the best way to use a solid shampoo?

Wet your hair as you would for a liquid shampoo, then moisten your shampoo bar.
You may then either massage the bar between your hands and apply the resulting lather to your hair (like you would with a liquid shampoo), or you can rub the bar directly onto your hair, concentrating on the roots.
If required, rinse and repeat.
Then, using the same way as before, apply a conditioner bar.

To avoid turning into mush between uses, keep your shampoo bar somewhere dry and protected from the bath or shower (a soap dish or waterproof soap case could be a smart investment), and let it dry before storing.

Can I just wash my hair with a bar of soap?

Using a solid shampoo bar on your hair is similar to using a bar of soap, but soap formulated for the body does not rinse out of hair as effectively as soap formulated for the body, which can result in a scummy or waxy buildup unless your hair is very short.
Body soap typically lacks the nourishing chemicals found in most hair products, and it may irritate the scalp’s more fragile epidermis.
Shampoo bars are designed to cleanse cleanly while also protecting and conditioning both the scalp and the hair.

The best solid shampoo bars to buy

SaleBestseller No. 1
L'Oreal Paris Men Expert Barber Club Solid Shampoo And Wash Bar For Hair, Face, Beard And Body 80G
  • Innovative solid Shampoo & Wash
  • All in one - Hair, face, beard and body
  • Formulated with a soft pH to gently cleanse
  • Enriched with Cedarwood essential oil
  • Woody fragrance with intense Cedarwood notes
SaleBestseller No. 2
Eco Warrior Shampoo Bar, 100g, Eco Shampoo Soap with Pink Clay, Fragranced With Orange & Ginger Oils, Promotions Healthy Hair, Vegan, Cruelty-Free, Eco-Friendly
  • Revolutionary Eco Warrior Shampoo Bar: The Eco Warrior Shampoo Bar is a new solid formulation developed to condition, cleanse and moisturise your hair whilst creating a great lather without the need for SLS.
  • Shampoo Bar with Pink Clay: Fragranced with a blend of pure orange and ginger essential oils to stimulate your scalp and help promote healthy hair.
  • Natural Shampoo Bar: Made from 89.5% natural ingredients, this shampoo bar is totally free from detergents, SLS, sulphates, alcohol, parabens, sorbates, silicones & synthetic preservatives.
  • Shampoo Soap For On the Go: Ideal for use in the bathroom eliminating the need for unnecessary plastics. Also great for gym bags and travelling—can go in your hand luggage with no leaks!
  • A Little Soap Company With A Big Vision: We believe soap is a symbol of nature, of cleanliness. But it’s also a revival and celebration of a product we’ve made relevant to the demands of the modern world, to protect our skin and the environment.
Bestseller No. 3
100% Natural Shampoo Bar for Hair 2 Pieces Solid Shampoo Soap for Treated Dry Damaged Hair Vegetarian Plant Essence Helps Stop Hair Loss and Promotes Healthy Hair Growth 4.2oz (Honey & Rosemary)
  • [HANDMADE SHAMPOO BAR] Pure natural plants ingredients and no harsh detergents chemicals, so you can use it with confidence, even with sensitive skin. We have 5 shampoo bar sets with differnet efficacy and fragrance. Just according to your hair or preferences to choose the correct shampoo bar.
  • [Wash and condition in one creamy step] Natural shampoo bar cleans and conditions your hair with moisturizing nut oils and shea butter. They leave all hair, even dry, processed locks, looking glossy, shiny, and soft. Plants oil works to soothe the scalp too, and also lends its heady aroma to this bar's sweet and smoky perfume.
  • [100% ORGANIC & NATURE] Our shampoo bars are ALWAYS completely free from artificial dyes, sulfates, harsh chemicals, and other substances that damage your hair. PH balanced and safe for treated hair.Our gentle and effective formula makes our products suitable for men, women, teens, children, babies, pregnant and breastfeeding women.
  • [ECO-FRIENDLY] Our super-concentrated bar is a long-lasting and compact alternative to plastic bottles of liquid shampoo (One shampoo bar (2.1oz) will last as long as two bottles of liquid shampoo(300ml).), also they’re packaged using recycled and recyclable materials. We're on a mission to eradicate the world of plastic waste and we want you to be a part of it.
  • [TRAVEL FRIENDLY AND CAMPING FRIENDLY] No need to worry about that pat down at TSA. Our shampoo bars are airplane friendly so you can travel hassle-free with your favorite shampoos. These are also perfect for camping!
Bestseller No. 4
Solid Shampoo, 2 Pack 60g - Repair and Volume - For All Types of Hair - 100% Vegan and Biodegradable. Sulphate and Paraben Free - by Zenential
  • 100% VEGAN AND BIODEGRADABLE: This pack contains 2 solid coconut-based shampoo bars with grapefruit scent. 100% Vegan and biodegradable, it will remove excess oil from your scalp and increase your hair's volume.
  • FOR ALL TYPES OF HAIR: It nourishes the scalp and repairs damaged hair. It will give you manageable, super soft, strong and elastic hair. This Solid Shampoo is perfect for household use, to take to the gym and even suitable for travelling.
  • 98% NATURALLY SOURCED INGREDIENTS: Handmade. Free from SLS, alcohol, parabens, sorbates, silicones, sulphates and preservatives. Each bar will last up to 52 uses.
  • 0% PLASTICS!! The case containing the shampoo is made of cardboard, and the biofilm that protects it from moisture is made from sugar cane. Stop using single-use plastic bottles and support the environment.
  • 100% SATISFACTION GUARANTEED: If you are not completely satisfied, we will refund your money!
SaleBestseller No. 5
The Bluebeards Revenge, Original Solid Shampoo Bar For Men’s Hair, No Plastic Waste And Vegan Friendly, 50g
  • Vegan friendly solid shampoo enriched with natural coconut oil to provide vital hydration to your hair. It lathers quickly and easily in all hair types and lengths to repair damage and promote a soft and subtle shine
  • Formulated with a unique fragrance. This long lasting scent features a fresh and masculine blend of Madagascan vanilla, classic sandalwood and patchouli
  • Creating a rich lather with this shampoo bar couldn’t be easier or quicker, Simply scrub your bar into wet hair a few times and massage down to your roots for fast results
  • Zero waste, Plastic free solid shampoo bar features recyclable cardboard packaging
  • Made in the UK, this vegan friendly solid shampoo bar does not contain any animal products and has not been tested on animals. It’s also SLS and paraben free
SaleBestseller No. 6
NEW Vegan Moroccan Shampoo Bar 100g by Procoal - SLS Free Eco Solid Shampoo Bar, Conditioning with Argan Oil, Aloe Vera, Almond Oil, Cruelty-Free
  • VEGAN SHAMPOO BAR FOR CLEAN, HEALTHY, BEAUTIFUL HAIR – We’ve raised the bar for hair care by taking form and function to a new level with our range of Shampoo Eggs. This zero-waste solid shampoo bar will leave your hair as clean as your conscience and will uplift your senses with its delicate and luxurious scent.
  • BURSTING ORGANIC ARGAN OIL - Target everyday damage with extracts of organic argan oil. Reduce breakage and split ends and nourish the scalp for an all-over luminous shine and beautiful soft hair.
  • LONG LASTING AND GREAT VALUE – Most shampoo bars are between 50-60 grams, in comparison this Wild Neroli Shampoo Egg is 100 grams which is almost twice as big. Simply put, you will get more washes out of our shampoo bars compared to others.
  • ORGANIC ALOE VERA & ALMOND OIL – Organic aloe vera has a rich blend of fatty acids and amino acids which helps control oil production keeping your hair follicles and scalp healthy and hydrated. Sweet Almond oil provides vital conditioning benefits for your scalp, reducing dryness and keeping the hair beautiful and healthy from root to end!
  • VEGAN AND FREE FROM SLS & SLES: We have formulated our shampoo bars without SLS and SLES, hence it's gentle and safe for all hair and skin types. Be amazed at the humectant traits of glycerine which wraps each strand of your hair locking in moisture ensuring your tresses are left smooth, silky-soft, and manageable.
Bestseller No. 7
Mimosu Rice Water Shampoo and Conditioner – 2 in 1 Fermented Rice Water for Hair Growth Moisturizing Unscented Solid Shampoo Bar, for Dry Damaged - Hair Soap Bars
  • Born to rice water be shampoo bar - Rice water is known for its soft and rich ingredients that promote hair growth. We tried to bring these qualities of rice in a shampoo bar. Take care of your hair starting with shampoo, the most fundamental step for healthy hair growth.
  • Hair fertilizer effect shampoo bar inspired by rice - As if fertilizer is needed in the soil, the scalp needs nutrition. Mimosu shampoo bar features an all-in-one formula that gentle cleansing, fertilizing hair in one step.
  • Blend of natural hair care ingredients - Our Shampoo bar is made with fermented rice water extracts and natural oils. A blend of rice water and rich oils like argan, olive, and rice bran nourishes your hair with amino-acid, proteins and vitamins for natural hair growth. Shampoo with rice water for healthy, shiny and moisturized hair.
  • Good things come in small packages – This shampoo bar has the best of both worlds. The 5 oz. baris equivalent to about 3 bottles of liquid shampoo and is long lasting than other bars giving better value for money. The oval rice grain-shaped bar design is easy to grip and ideal for shampooing.
  • Solid is better than Liquid – Mimosu is a sustainable beauty brand and the shampoo bar is made from natural and effective ingredients and packaging is 100% recyclable with biodegradable sugar cane paper packaging.
Bestseller No. 8
lavera Solid Care Shampoo Basis Sensitiv Moisture & Care - Vegan - Shampoo Without silicones - Certified Natural Cosmetics - Gentle Foam Experience, Especially Gentle to The Scalp- 1 Piece / 50 g
  • Our carefully balanced, natural formula with organic aloe vera and organic quinoa is extremely gentle on sensitive scalps and moisturises your hair.
  • The innovative hair care formula lathers gently and makes your hair easier to comb - without any silicones.
  • Our solid shampoo is approximately three times more productive than liquid shampoo, depending upon hair length and usage.
  • Packaging: Recyclable and made from 100 % recycled materials
  • formulas - , silicone-free, no solid microplastic, no artificial colourings and preservatives (as per the EU Cosmetics Regulation)
Bestseller No. 9
GREEN QUEEN Solid Shampoo Bar 90g- for All Hair types - 100% Soap Free - Naturally Derived - Free from SLS - Palm Oil Free - Sulphate Free - Sustainable Haircare - With Nettle and Rosemary
  • ✅ GREEN QUEEN is 2 in 1 Solid Shampoo & Conditioner bar for normal hair with Nettle Leaf Powder, Rosemary, Cedarwood & Bergamot essential oils. Packed with healthy hair & scalp promoting botanicals and carefully selected essential oils, it is our most universal bar designed to suit all hair types.
  • ✅ If you’re on a personal mission to reduce waste and looking for a more natural shampoo then we are here to help! Wild Ona professional formulations have replaced liquid shampoo in a bottle with pH balanced soap-free SOLID SHAMPOO that is free from unnecessary harsh ingredients and plastic waste.
  • ✅ Crafted with high-quality NATURALLY DERIVED ingredients our shampoo bars are vegan, cruelty- free and do not contain SLS (and other sulfates), silicones, parabens, palm oil, synthetic colours, and fragrance. Suitable for colour treated hair.
  • ✅ Each bar is 90g and depending on usage lasts around 60 washes or 3 months’ worth of washing, which replaces up to 3 BOTTLES of liquid shampoo! Did you know, only around 10% of the world's plastic is being recycled. The rest ends up breaking down into small particles polluting our soil, oceans and entering our bodies via food and water. Choose plastic-free, together we can make a difference!
  • ✅ PH BALANCED SHAMPOO BAR, NOT SOAP! Our bars are pH balanced shampoo bars and are 100% soap-free. There is no transition period or acidic rinse required as you would get with soap-based shampoo bars. We are confident you will have great hair after your first wash!
Bestseller No. 10
PURE - 2 in 1 Solid Shampoo Bar 90g - for DRY HAIR & TOUCHY SCALPS - 100% Soap Free - Natural Shampoo - Free from SLS - Sulphate Free – with Chamomile & Oats
  • ✅ PURE is 2 in 1 Solid Shampoo & Conditioner bar for dry hair and touchy scalps with Ground Oats, Chamomile & Ylang Ylang essential oils. Packed with botanicals, sweet almond oil, and carefully selected essential oil blend, this bar provides gentle cleansing, hydration, and shine.
  • ✅ If you’re on a personal mission to reduce waste and looking for a more natural shampoo then we are here to help! Wild Ona professional formulations have replaced liquid shampoo in a bottle with pH balanced soap-free SOLID SHAMPOO that is free from unnecessary harsh ingredients and plastic waste.
  • ✅ Crafted with high-quality NATURALLY DERIVED ingredients our shampoo bars are vegan, cruelty- free and do not contain SLS (and other sulfates), silicones, parabens, palm oil, synthetic colours, and fragrance. Suitable for colour treated hair.
  • ✅ Each bar is 90g and depending on usage lasts around 60 washes or 3 months’ worth of washing, which replaces up to 3 BOTTLES of liquid shampoo! Did you know, only around 10% of the world's plastic is being recycled. The rest ends up breaking down into small particles polluting our soil, oceans and entering our bodies via food and water. Choose plastic-free, together we can make a difference!
  • ✅ PH BALANCED SHAMPOO BAR, NOT SOAP! Our bars are pH balanced shampoo bars and are 100% soap-free. There is no transition period or acidic rinse required as you would get with soap-based shampoo bars. We are confident you will have great hair after your first wash!

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