Ultimate Guide to Natural Shampoo and Conditioner Bars: How to Use & Store ThemView all articles

Guide to Natural Shampoo and Conditioner Bars: Pros, Cons, Tips + How to Use

Are you ready to make the switch to a greener hair care routine? Natural shampoo and conditioner bars are an eco-friendly, effective alternative to traditional bottled products. Whether you're new to the concept or a seasoned user of shampoo and conditioner bars, this guide will take you through everything you need to know about these sustainable beauty essentials.

If you’re wondering how to use solid shampoo bars effectively and if they actually are good for your hair, you’ve come to the right place! In this guide, I’ll explore everything from the benefits of switching to a natural shampoo bar — like the popular rice shampoo bar — to the best tips for how to store shampoo bars to ensure they last longer. Ready to embrace a more sustainable hair care routine? Let’s get started!

Index

What Are Shampoo and Conditioner Bars?

Solid shampoo and conditioner bars are solid alternatives to traditional liquid hair care products, designed to cleanse and condition your hair with minimal packaging and environmental impact. These bars work similarly to liquid shampoos and conditioners but come in a compact, concentrated form that activates when mixed with water.

Unlike liquid shampoos, which often contain up to 80% water, natural shampoo bars pack their cleaning power into a waterless form, allowing them to last much longer and take up less space. They are applied directly to wet hair, lathered in your hands, or rubbed directly onto your scalp. Solid conditioner bars are used in a similar way, providing moisture and detangling benefits to your hair without the need for plastic bottles.

Soap-Based vs. Syndet-Based Shampoo Bars

Not all solid shampoo bars are created the same. There are two main types: soap-based and syndet-based bars.

Soap-Based Shampoo Bars

These bars are made with natural oils and lye, much like traditional soap. While they are eco-friendly, soap-based bars tend to have a higher pH, which can affect the natural balance of your scalp and hair, leading to buildup, dryness, and irritation. That’s why they may require an acidic rinse, like diluted apple cider vinegar, to restore your hair’s pH balance.

Syndet-Based Shampoo Bars

Short for “synthetic detergent,” syndet bars are made with mild surfactants, often derived from coconut or other natural sources. They have a lower pH than soap-based bars, which makes them gentler on the hair and scalp. Syndet shampoo bars are closer to liquid shampoos in their composition and are generally more suitable for all hair types, especially if you want to avoid the “waxy” or heavy feel sometimes associated with soap-based bars.

Continue reading to see my recommendations for the best syndet-based rice shampoo bar and conditioner bar.

Are Solid Shampoo Bars Good for Hair?

Yes, shampoo and conditioner bars can be great for your hair, especially the newer formulations that go beyond the traditional soap-like consistency with an alkaline pH. Modern syndet-based shampoo bars are much gentler and packed with nourishing ingredients like plant oils, butters, and proteins that help hydrate and strengthen your hair. They’re also free from sulfates, silicones, parabens, and other harsh chemicals found in some liquid shampoos. With no plastic packaging and a longer lifespan than bottled shampoos, shampoo and conditioner bars are an excellent option for reducing waste without sacrificing hair care quality.

Pros and Cons of Shampoo and Conditioner Bars

Pros

  • Sustainability: Solid shampoo bars are an eco-friendly choice. Due to their minimal packaging and small size, they significantly reduce waste and CO2 emissions compared to traditional bottled products.
  • Plastic-Free: By eliminating the need for plastic bottles, shampoo bars help cut down on single-use plastics, making them a great choice for a greener beauty routine.
  • Economical: Solid shampoo and conditioner bars are highly concentrated, lasting up to 50 washes or more depending on the bar size and your hair type. This makes them a budget-friendly option in the long run.
  • Great for Travel: Compact and non-liquid, shampoo bars are ideal for travel. They’re lightweight, TSA-friendly, and won’t spill in your luggage.
  • Less Water Usage: By reducing water content compared to liquid shampoos, these bars help conserve water during production.
  • Gentle Formulations: Many natural shampoo bars contain nourishing ingredients like oils, butters, and plant extracts that are gentle on the scalp and hair. Among the most popular are rice shampoo bars that naturally strengthen hair.

Cons

  • Sticky, Greasy Feeling: Some users experience a sticky or greasy feeling after using shampoo bars, especially soap-based ones. To avoid this, opt for syndet-based bars, which have a balanced pH and are gentler on hair. Also, use less product, lather thoroughly, and rinse well to prevent buildup. For more tips, continue reading about how to use shampoo bars correctly.
  • Adjustment Period: If you’re switching from liquid shampoos, your hair may take a few weeks to adjust, particularly if you were using products with silicone or sulfates. So try to stay patient and take your time to assess whether shampoo bars are good for your hair or not.
  • Hard Water Compatibility: All shampoo bars don’t lather well in hard water, which can reduce their effectiveness and lead to residues building up. A vinegar rinse, clarifying shampoo, or using filtered, soft water can help mitigate this issue.
  • Storage Requirements: Shampoo and conditioner bars need to be stored properly on a shampoo bar holder, ideally in a dry, well-ventilated area, to prevent them from turning mushy or dissolving too quickly. Read more about how to store shampoo bars below.

How to Use Shampoo and Conditioner Bars

Learning how to use shampoo and conditioner bars is simple, but there are a few techniques that can help you get the best results. Here’s a step-by-step guide to ensure you’re using them effectively:

1. Wet Your Hair and the Bar

Start by thoroughly wetting your hair and the shampoo bar. The bar needs to be damp to activate the lather.

2. Lather the Bar

You can create lather in two ways:

  • Rub the bar between your wet hands and apply the lather to your scalp.
  • Alternatively, gently rub the bar directly onto your scalp to create lather. Work in sections around the scalp rather than focusing on one area.

3. Wash in Sections for Long or Thick Hair

If you have thick or long hair, working in sections is especially important to ensure an even clean. Move your hair out of the way to reach the roots all over your head. This helps avoid using too much product and ensures you clean all parts of your hair.

4. Try the Double-Wash Method

For a deeper clean, try the double-wash method. Use a small amount of shampoo for a quick initial wash to remove surface oils and buildup, then rinse and repeat with a second, smaller amount of shampoo. During the second wash, the shampoo bar lathers better, cleansing all dirt and residues. This can be more effective than using a lot of product in a single wash.

5. Rinse Thoroughly

Rinse your hair thoroughly after lathering, especially if you have thick hair. Again, working in sections can help ensure you remove all the product, avoiding any residue or buildup.

6. Use Conditioner Bars for Moisture

Let's go over how to use a conditioner bar. After shampooing, apply the conditioner bar to the mid-lengths and ends of your hair. You can either rub the bar between your hands to distribute the conditioner or stroke it directly to your hair. For best results, leave the conditioner on for a couple of minutes before rinsing well.

How Often to Use a Shampoo Bar

The frequency of use depends on your hair type and needs. Generally, shampoo bars can be used as often as liquid shampoos, around 2-3 times a week, but if you have an oily scalp, you might want to wash more frequently. For dryer or textured hair, less frequent washing, such as once or twice a week, may be better to avoid stripping away natural oils.

By following these tips on how to use shampoo bars and adjusting for your specific hair type, you can ensure that your natural shampoo and conditioner bars work effectively, leaving your hair clean, soft, and manageable.

How to Store Shampoo Bars

Learning how to store shampoo bars is key to extending their life. Because these bars are water-activated, they need to dry out between uses to prevent them from becoming mushy or dissolving prematurely. Here’s how to store shampoo bars for longevity and convenience:

1. Use a Shampoo Bar Holder

A shampoo bar holder is essential and the best option for storing your shampoo and conditioner bars. I recommend a shampoo bar holder made of bioplastic or other biodegradable material. These eco-friendly cases often come with a slotted bottom that allows water to drain, keeping your bars dry between uses. Some shampoo bar travel cases also feature separate compartments for shampoo and conditioner bars, which helps prevent them from sticking together.

2. Store in a Dry, Well-Ventilated Area

When storing your bars at home, place them in a dry, well-ventilated area on a dedicated shampoo bar holder or a soap dish with drainage holes. Avoid leaving the bars sitting in water or under the shower, as this will cause them to break down more quickly.

3. Use a Shampoo Bar Travel Case when Leaving Home

When you’re traveling for the gym, holidays, or elsewhere, you can use a shampoo bar travel case to protect your bars and keep them contained. Make sure to air out the bars when you arrive at your destination to prevent moisture buildup inside the case.

By using a dedicated storage solution like a shampoo bar travel case, you can keep your shampoo and conditioner bars fresh and ready for their next use, whether you’re at home or on the move.

The Best Shampoo and Conditioner Bars

Do you feel ready to make the switch to solid shampoo and conditioner bars? Remember that not all of them are created equal. Here are my favorite rice shampoo bar and conditioner bar.

For an eco-friendly yet effective hair care solution, the Hair Bars™ Strengthening Shampoo Bar and Hair Bars™ Strengthening Conditioner Bar are my top picks. Suitable for all hair types, but particularly beneficial for dry and damaged hair, these bars are packed with nourishing ingredients like rice protein, shea butter, oat oil, and aloe vera. The rice shampoo bar is syndet-based, meaning it has a balanced pH, making it gentle on your scalp while offering a rich lather and thorough clean.

The Hair Bars™ Duo not only repairs and strengthens your hair, but also promotes sustainability with its FSC-certified, plastic-free packaging. These bars last up to 50 washes, are travel-friendly, and reduce environmental impact through their solid, lightweight form.

Common Mistakes with Shampoo Bars

Finally, while natural shampoo bars are a fantastic addition to your hair care routine, there are some common mistakes that can affect their performance. Here are a few to watch out for:

1. Using Too Much Product

Shampoo bars are highly concentrated, so a little goes a long way. Using too much can lead to buildup and make your hair feel heavy. Start with a small amount and adjust as needed.

2. Not Rinsing Well

Thorough rinsing is crucial when using shampoo bars. Incomplete rinsing can leave product residue, which may weigh down your hair or cause irritation.

3. Applying Conditioner to the Roots

Conditioner bars are designed to nourish the mid-lengths and ends of your hair. Not learning how to use conditioner bars correctly and applying them directly to your roots can lead to greasyness.

4. Not Clarifying Occasionally

If you have hard water or use a lot of styling products, it’s essential to clarify your hair periodically, regardless of what kind of shampoo you use. Build-up from hard water minerals or product residues can irritate the scalp, weigh your hair down, and hinder the effectiveness of shampoo bars. Consider using a gentle apple cider vinegar clarifying shampoo once in a while to reset your hair and scalp.

5. Ignoring the Adjustment Period

When switching to shampoo bars, give your hair time to adjust. It may take a few washes for your scalp and hair to adapt, especially if you were using liquid shampoos with silicones or sulfates. Be patient and experiment to find what works best for your hair type.

6. Not Storing Properly

Improper storage can lead to mushy or dissolving bars. Always store your shampoo and conditioner bars in a dry, well-ventilated area, and consider using a case with drainage holes for optimal drying.

By avoiding these common mistakes and adjusting your technique, you can make the most of your shampoo and conditioner bars, ensuring your hair stays healthy, vibrant, and well-nourished.

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So, are shampoo bars good for hair? Absolutely! Incorporating natural shampoo and conditioner bars into your hair care routine is a sustainable choice that offers great benefits. Understanding how to use and store shampoo bars correctly is key to achieving the best results and mitigating any cons. By following these tips, you can enjoy the advantages of natural shampoo bars while contributing to a more eco-friendly beauty routine. Happy washing!

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