Aleppo Soap for Hair: What It Does to Your Scalp
Aleppo soap for hair is not a TikTok trick or a shampoo substitute — it is what people used before shampoo existed, and the laurel oil in it does something specific your shampoo cannot.
The benefits of Aleppo soap on the skin are well-documented and, by now, mostly uncontroversial. What people still ask us, almost weekly, is whether they can wash their hair with it. The short answer is yes. The longer answer is more interesting, because the reason it works has very little to do with anything the modern shampoo industry has taught us to look for.
The modern cosmetic industry has spent a hundred years training us to use a separate, specialised product for every part of the body — shampoo for the hair, conditioner for the ends, body wash for the torso, face wash for the face, hand soap for the hands. This is not a natural state of affairs. It is a merchandising decision dressed up as personal care. For most of human history, one bar of soap did the entire job, and the people doing it had better hair than we do.
Here is what actually happens when you wash with a bar of Aleppo soap in the shower. The olive oil and laurel berry oil that make up the bar are saponified — turned into soap — but the fatty acids they were made of stay biologically active in the lather. Those fatty acids land on the scalp and, instead of stripping it, nourish it. The skin under your hair is some of the most absorbent skin on the body. It is also where almost every hair problem you have actually starts.
If your hair runs neither dry nor greasy, a single bar of Aleppo soap will clean it thoroughly, nourish the follicles and fibres, leave the scalp feeling fresh, and produce a soft, slightly fluffier finish than a conventional shampoo gives. It will also, after about three washes, recalibrate the smell of your hair away from synthetic fragrance and toward a faint clean note of olive and laurel that almost nobody notices on themselves and almost everybody notices on the person next to them.
If your hair is greasy, the laurel oil component is doing something specific. Laurel oil inhibits the overproduction of sebum at the sebaceous glands — it tells the scalp, at a chemical level, to calm down. Modern shampoos take the opposite approach: they absorb the oil aggressively, which prompts the scalp to produce more, which is why you ended up washing your hair every day in the first place. The laurel oil interrupts that loop. It is slower than a daily shampoo. It is also a one-way trip.
If your hair is dry, the same fatty acid profile plus the natural vitamin E content from the olive oil acts as a long-form conditioner. Apply the lather, leave it for the length of an ordinary shower, rinse with cool water at the end. Skip the silicone conditioner. The bar is doing both jobs.
A few practical notes. Use the bar directly on wet hair, or lather it in your hands first if your hair is fine. Massage the scalp for a slightly indecent amount of time — longer than you think — and rinse thoroughly. The Ancient Greeks did not regard olive oil and laurel oil as miracle compounds because of marketing. They regarded them that way because, used on the body for long enough, they do something modern shampoo has stopped pretending to do.
— Filed from the workshop
Questions, briefly answered.
- Can you wash your hair with Aleppo soap?
- Yes, you can wash your hair with Aleppo soap, and people have done so for most of its roughly three-thousand-year history. The olive oil in the bar cleans the scalp gently without stripping its natural oils, and the laurel berry oil helps regulate sebum production at the hair root. Aleppo soap predates the modern shampoo industry by several millennia.
- Is Aleppo soap good for oily hair and greasy scalp?
- Yes, Aleppo soap is particularly effective on oily hair and a greasy scalp. The laurel berry oil in an authentic Aleppo bar signals the sebaceous glands to slow sebum production, which breaks the daily-wash feedback loop that sulfate-based shampoos tend to create. Most users report a transition period of two to three washes before sebum output stabilises.
- Will Aleppo soap dry out my hair?
- Aleppo soap does not typically dry out hair when it is used correctly. The fatty-acid profile of cold-pressed olive oil, combined with its naturally occurring vitamin E content, acts as a built-in conditioner during the wash. Rinsing with cool water at the end of the shower seals the hair cuticle and removes the need for a separate silicone conditioner.
- How do you use Aleppo soap as shampoo?
- To use Aleppo soap as shampoo: wet the hair thoroughly with warm water, rub the bar directly on the scalp (or work it into a lather in the hands first for fine hair), massage the scalp for at least sixty seconds, then rinse with cool water. Repeat two to three times per week rather than daily. A single 5-ounce bar typically lasts four to six weeks of hair-washing use.