I formulate shampoo bars, so you already know which side I'm on. That's exactly why I want to be straight with you about the downsides first.
Bars are not better for everyone. Here's the honest version.
Where bars genuinely win
No plastic
This is the obvious one. A bar replaces a bottle, and the bottle was always the least useful part of the product.
You're not paying to ship water
Liquid shampoo is mostly water. When you buy a bottle, a large share of the weight, the shipping cost, and the carbon footprint is water that came out of a tap.
A bar is the concentrated part. You add the water in your shower, for free.
They last longer than people expect
A bar looks small next to a 300ml bottle. Stored properly it usually outlasts one, because you can't accidentally pour out half of it.
Travel
No liquid limits, no leaking in your bag. This is a real quality-of-life difference.
Where bars genuinely lose
Now the part most brands skip.
There's usually a transition period
If you're coming off silicone-heavy shampoos, your hair may feel waxy or coated for the first few washes while that buildup clears. It passes, but it's real and people quit during it because nobody warned them.
Give it three to four washes before judging.
Hard water is a genuine problem
In hard-water areas, bars can leave a film. It isn't the bar failing. It's minerals in your water reacting with the formula. A diluted apple cider vinegar rinse once a week usually resolves it, but if you don't want that extra step, a bottle may simply suit your household better.
Storage matters more
A bar left sitting in a puddle turns to mush and you'll lose half of it. It needs a draining dish and somewhere it can dry between washes. A bottle doesn't ask anything of you.
You can't see how much is left
Minor, but it catches people out. Bars shrink slowly and then disappear quickly.
Long, thick hair takes technique
Rubbing a bar directly on very long hair can tangle it. Lather in your hands first, or rub the bar on your scalp only and let the lather run down.
Who should switch, and who shouldn't
Try a bar if: you want to cut plastic, you travel often, you have soft or moderately hard water, or you're already using sulfate-free products.
Stay with a bottle if: you have very hard water and won't do a rinse, you share a shower where storage is chaotic, or you have a scalp condition and a specific medicated shampoo that works. In that case don't change anything without asking your doctor.
How to switch properly
- Clarify once before you start, to remove existing buildup.
- Wet the bar and your hair thoroughly. More water than you think.
- Lather in your hands, then apply to the scalp.
- Rinse for longer than usual. Under-rinsing causes most "my bar doesn't work" complaints.
- Follow with a conditioner bar from mid-length to ends only.
- Store somewhere it can drain and dry.
- Judge it after four washes, not one.
What's in mine, and who makes it
The Motiya Fortifying Shampoo Bar is sulfate-free and colour-safe, the same standard I'd use on a client in my chair. It carries rice bran and rosemary, so the wash step stays aligned with the same ingredients as the oils rather than working against them.
One thing worth being clear about, because I think you should know how your products are made. The bar is my formula, but it is produced for me by a small licensed manufacturing facility here in Canada. Solid bars need equipment and conditions a home studio cannot properly provide, and I would rather they were made in a registered facility than compromise on that. The oils I still make myself, in small batches, by hand.
That's the part I actually care about. A gentle cleanser matters less for what it adds and more for what it doesn't strip back out.
Maryam is a hairstylist in Mississauga and formulates every Motiya product herself.
