Sustainable Hair Care: Why a Concentrated Shampoo Bar Wastes Less

When I was a girl growing up in the Mongolian countryside, we carried our water from a well or a river. There was no tap to turn, no meter to check, only the walk there and back and the weight of what you carried. Because that water cost something in sweat, you learned to use it well. If you wanted milk tea, you milked the cow yourself. There was no shelf to buy it from. Energy, like water, was not endless, and you learned to be economical with both, not out of fear, but because that was simply the way a nomad woman lived.

‍ I think about this every time I pick up a shampoo bottle. Most of what is inside is water, and once it runs out, you buy the same water again, in the same plastic. That plastic is bad for the planet, and I do not want to pretend otherwise. But what has never sat right with me is simpler than that: paying for mostly water, twice, is not a smart way to buy anything.

Why I Don't Buy Products That Waste Themselves Away

Sustainable hair care conversations tend to lead with guilt. Landfills, plastic, the planet you are failing one bottle at a time. That framing is heavy, and it is not where I want to start.

‍ Here is a simpler way to look at it. Liquid shampoo is mostly water, often 70 to 80 percent of what is in the bottle. You are carrying that water home, storing it in your shower, and paying for it, even though your hair only needs what is left once the water is gone. A concentrated bar skips that step, packing far more washes into far less space, with no water riding along for free.

‍ ‍I did not grow up with a word for sustainable. I grew up not wanting to waste what I had to work for. That is the shift I want for you too. Not guilt. A smarter way to buy the things you actually use, and a more honest way to spend your money. Paying for water twice was never good for your wallet either.

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What Nomadic Efficiency Teaches About Getting More From Less

‍Growing up, I knew this instinct in another form too: aaruul, dried curd pressed into small hard pieces for the road, and borts, meat dried until it weighed almost nothing. Both are nourishment reduced to its essential form, light enough to carry across a season, still enough to feed you when you arrive. Nothing wasted, nothing carried that did not need to be.

‍ ‍A shampoo bar follows the same logic, turned toward hair instead of hunger. No water weight. No bottle. Just what is needed, condensed, carried, used until it is gone. It is not a new idea. It is an old one, applied to a new shelf.

‍ ‍That same resourcefulness extended to what grew nearby. In the households I knew, nettle was valued for its mineral richness, particularly iron and vitamin A, a strength later confirmed by peer-reviewed nutritional research (Rutto et al., International Journal of Food Science, 2013). Rosemary held a similar place, and laboratory studies have since confirmed its essential oil carries genuine antioxidant and antimicrobial properties (Journal of Food Science and Technology, PMC). None of this is new information to the women who came before us. Science is only now confirming what they already knew by hand.

Dolgio Bars

How a Concentrated Shampoo Bar Gets More From Every Wash

‍ The Dolgio Nettle & Rosemary Shampoo Bar exists because I wanted that same instinct, the one that taught me to carry water carefully, to travel with me here in Oakland. The nettle and rosemary in it come from growers here in the U.S. What travels is not the plant. It is the principle: buy the concentrated version of what you need, and let it last as long as it is meant to.

‍ Because the bar is not diluted with water, one lasts through far more washes than a bottle its size would suggest. You are not paying to ship and store water. You are paying for the part that actually cleans and nourishes your hair. That is not a sacrifice. It is simply a smarter way to shop.

‍ ‍I also made the bar bigger than most on the market, 4 ounces instead of the usual 2.5 to 3.2. It was a deliberate choice. A bigger bar means fewer reorders, fewer boxes shipped to your door, and a smaller carbon footprint from getting it to you, not just from what is inside it.

‍ ‍Care for Yourself Is Also Being Smart With What You Use

‍ Here is the part I most want you to hear. Choosing a concentrated product is not about denying yourself something. It is about respecting what you buy enough to not let most of it go to waste.

‍ ‍You may notice this the first time you use a bar instead of a bottle. There is no plastic pump to press, no cap to leave open by accident, no water sitting between you and the ingredients doing the work. Just your hands, warm water, and a small solid thing that dissolves a little more each time, giving you exactly what you paid for. Caring for yourself well and refusing to waste what you buy have always been the same instinct, in my experience.

‍ ‍I did not learn to be economical with water because someone told me to save the planet. I learned it because water had to be carried, and carrying it taught you what things were actually worth. That same lesson, worn into me as a girl, is what a concentrated shampoo bar offers you now, without the walk to the well. I think that is the belonging worth returning to. Not a rulebook. A smarter relationship with what you use.

‍ ‍If this way of caring for your hair feels like something you have been missing, you are not late to it. You are only remembering.

‍ ‍With love, Oyumaa

Ready to begin this ritual? Explore the Dolgio shampoo bar, and join a community of people who would rather get more from what they buy than waste it. Sign up here to be first to know about new rituals and botanical wisdom.