Originally published 2022, updated 2026.
Quick answer: Switching to shampoo bars successfully usually comes down to choosing the right shampoo bar, using less product than expected, rinsing thoroughly and giving your hair a short adjustment period if needed.
Most shampoo bar problems are fixable. The right formula, a little patience and a few small technique changes can make a big difference to how your hair feels.
Switching to shampoo bars can be a brilliant low-waste swap, and many people find their hair feels softer, lighter and less reliant on daily washing over time — but it helps to know what to expect before you start.
Choosing the right bar, using it properly and giving your hair a little time to adjust can make the switch much easier.
The good news is that most people do not need a perfect “detox” or extreme no poo routine to successfully switch to shampoo bars.
Choose the right shampoo bar
The biggest mistake people make when switching to shampoo bars is assuming all shampoo bars are the same. They are not.
Just like liquid shampoos, shampoo bars can vary enormously in ingredient quality and formulation style. Some use gentler, lower-tox ingredients, while others may contain harsher detergents, synthetic fragrances, petrochemicals or palm oil-derived ingredients.
At Biome, we focus on natural shampoo bars that are palm oil free, plastic free and designed to perform well without unnecessary harsh ingredients.
Some shampoo bars are soap-based and made from saponified oils, often preferred for simpler, more traditional formulations. Others are surfactant-based and designed to behave more like liquid shampoo, creating a richer lather and cleaner rinse that many people find easier to transition to. Most surfactant-based solid shampoos work best when paired with conditioner, especially for longer, curly, dry or colour-treated hair.
| Soap-based bars | Surfactant-based bars | |
|---|---|---|
| Feel on hair | More traditional, soap-style cleanse | Closer to liquid shampoo |
| Best for | Sensitive scalps, dry hair, simple routines | Oily hair, fine hair, colour-treated hair, beginners |
| Lather | Usually lighter | Rich creamy lather |
| Hard water | Can leave residue | Usually rinses more cleanly |
Not all shampoo bars feel “soapy”. Surfactant-based bars like Viva La Body are specifically formulated to feel closer to traditional liquid shampoo, with a richer lather and cleaner rinse.
If one shampoo bar has not worked for your hair before, it does not necessarily mean shampoo bars are not for you. Sometimes changing formulations makes an immediate difference.
Read more → What’s the difference between shampoo bars?
Prepare for a short adjustment period
Some people switch to shampoo bars with no issues at all, while others notice their hair feels heavier, waxy, oilier or harder to manage for a short time.
This is often part of the adjustment from conventional liquid shampoos, especially if previous products contained silicones or stronger detergent-based cleansers that can strip the scalp’s natural oils.
Hair might temporarily feel:
- heavier
- waxy
- oilier
- dry
- harder to brush
Often caused by:
- silicone buildup from previous products
- hard water
- using too much product
- not rinsing thoroughly enough
- using the wrong formula for your hair type
This can feel frustrating at first, but for many people these issues improve significantly once they find the right routine and formula.
For some people this adjustment only lasts a few washes. For others it may take several weeks for the scalp to feel more balanced and less reliant on frequent washing.
Some people prefer easing into the transition slowly by:
- gradually leaving longer gaps between washes
- rinsing with water between washes
- using simple hairstyles, hats or headbands on oilier days
- switching slowly instead of going “cold turkey”
A short adjustment period can be normal, but your hair should not feel coated, sticky or impossible to manage long term.
If your hair feels waxy or like straw after switching, read more → Why does my hair feel like straw after using a shampoo bar?
Use less product and rinse thoroughly
More product does not mean cleaner hair.
Using too much shampoo bar is one of the most common reasons hair can feel heavy, coated or difficult to brush afterwards. Start with less than you think you need.
Quick tips:
- wet hair thoroughly first
- focus the bar mainly on the scalp. (You do not need to coat every strand of hair with the bar. As you rinse, the lather will naturally move through the lengths.)
- massage to create lather
- rinse especially well around the roots and behind the ears (If shampoo bar residue is left behind, hair can feel waxy, sticky or difficult to brush.)
- allow the bar to dry fully between uses
Allowing your shampoo bar to dry properly between uses will help it last longer and keep it firm, which also makes it easier to lather during your next wash. A draining soap dish can help shampoo bars last longer and prevent them becoming soft or mushy.
Read more → How to use a natural shampoo bar
Think about your water and hair type
Hard water
Hard water and chlorine can affect how shampoo bars perform, particularly soap-based bars.
In hard water areas, minerals can react with soap-based formulas and leave hair feeling heavier or coated.
Surfactant-based shampoo bars often perform more consistently in hard water because they rinse more like liquid shampoo.
Some people also find chlorine shower filters helpful for improving scalp comfort and reducing dryness.
Brushing with a wooden hair brush can help distribute natural oils through the hair lengths instead of allowing them to build up mainly at the scalp.
Hair porosity and moisture
Curly, bleached or damaged hair is often more porous, meaning it absorbs and loses moisture more quickly. This can make extra conditioning support helpful during the transition to shampoo bars.
A simple at-home porosity test involves placing clean strands of hair into room-temperature water. Hair that sinks quickly is usually more porous, while hair that floats longer may absorb moisture more slowly.
Longer, curlier or highly porous hair may benefit from:
- conditioner bars
- natural conditioners
- hair oils
- diluted apple cider vinegar rinses
Some shampoo bars feel conditioning enough on their own, especially for shorter or naturally oily hair. Others may need additional moisture afterwards.
Shampoo bars are still shampoo — not all are designed to replace conditioner entirely. Using conditioner does not mean the shampoo bar has failed. It simply means your hair needs more moisture.
What is “no poo” vs “low poo”?
You do not need to follow a strict “no poo” routine or completely overhaul your haircare routine overnight to successfully switch to shampoo bars.
The terms “no poo” and “low poo” became popular as gentler alternatives to conventional liquid shampoos.
No poo usually refers to avoiding shampoo entirely and using alternatives like water rinses, clay washes or diluted apple cider vinegar rinses.
Low poo usually refers to gentler cleansing routines that avoid harsher detergents while still properly cleansing the hair, often using shampoo bars or lower-tox haircare products instead.
For a lot of hair types and lifestyles, shampoo bars sit comfortably in the middle ground: gentler than conventional shampoos, but still familiar and easy to use.
If fully transitioning to no poo does not suit your hair or routine, shampoo bars are often a more realistic long-term option.
Best shampoo bars for beginners
If you are switching to shampoo bars for the first time, choosing the right formula can make the transition much easier.
Viva La Body
Best for: first-time shampoo bar users wanting a more familiar liquid shampoo feel.
Why it stands out: Rich lather and designed to feel closer to bottled shampoo while still being plastic free and palm oil free. (pair with conditioner bar for best results)
Beauty & The Bees
Best for: people preferring traditional soap-based shampoo bars.
Why it stands out: One of the original shampoo bar brands and a long-time Biome favourite.
Biome Shampoo Bars
Best for: simple, lower-tox haircare routines.
Why it stands out: Palm oil free and made for gentle cleansing without unnecessary plastic packaging.
👉 Still deciding? Read our guide to the best shampoo bars for different hair types and find the right bar for your hair, scalp and routine.
Ready to make the switch to shampoo bars?
Explore Biome’s range of palm oil free, plastic free shampoo bars designed to actually work.
FAQs
Is there a transition period with shampoo bars?
Some people experience a short adjustment period when switching to shampoo bars, especially when moving away from silicone-heavy liquid shampoos. Others transition immediately without issues.
Why does my hair feel waxy after using a shampoo bar?
Waxy hair is often caused by product buildup, hard water, using too much shampoo bar or not rinsing thoroughly enough.
Do shampoo bars work in hard water?
Yes, although soap-based shampoo bars can be more affected by hard water minerals. Surfactant-based shampoo bars usually rinse more cleanly in hard water.
Do you need conditioner with shampoo bars?
Some hair types benefit from conditioner after shampoo bars, especially longer, curly, dry, damaged or colour-treated hair.
Are shampoo bars actually good for your hair?
Yes, a well-formulated shampoo bar can cleanse the hair effectively while helping reduce plastic bottle waste. The best option depends on your hair type, scalp needs and water conditions.
Related reads
What’s the difference between shampoo bars?
How to use a natural shampoo bar
Why does my hair feel like straw after using a shampoo bar?
Are shampoo bars actually good for your hair?
Best Shampoos For Different Hair Types
