Ingredient guide
What Is Aleppo Soap? Olive and Laurel Oil Explained
Aleppo soap is a traditional Syrian soap made from olive oil and laurel berry oil, then aged for months. Here is how it is made and what the laurel percentage means.
Natural soap, explained
What's actually in your soap?
Plain-English ingredient guides and honest comparisons to help you choose a better bar, without the hype.
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Every product we mention carries one of three labels, so you always know what a recommendation is based on.
- Personally usedWe've used it ourselves and say what we noticed.
- Based on specificationsChosen from published ingredients and specs. Not tried.
- Manufacturer's claimsThe brand's own words, clearly attributed and unverified.
Explore by topic
Pick a topic to see every guide we've published on it.
- IngredientsPlain-English guides to what goes into soap, from lye and glycerin to olive oil, goat milk and essential oils, and what each ingredient actually does.5 articles
- Soap GuidesHow to choose, read and understand soap: labels, soap types, scent, and what marketing words really mean.7 articles
- Best SoapsHonest buying guides and comparisons. Every pick says whether we have used it or chose it from its published specifications.2 articles
- Soap CareMake your soap last longer, store it well and waste less: dishes, drying, curing and plastic-free habits.5 articles
- Soap MakingBeginner-friendly guides to making soap at home safely: methods, equipment, lye safety and curing.2 articles
Popular ingredient guides
What each ingredient does, in plain English.
Ingredient guide
What Is African Black Soap? Ingredients, Uses and Cautions
African black soap is a traditional West African soap made with plant ash and oils. Here is what goes into it, what the evidence says, and how to use it without drying your skin.
Ingredient guide
Olive Oil in Soap: Why It Makes Such a Gentle Bar
Olive oil is the classic soap oil behind castile and Aleppo soap. Here is what it brings to a bar, its trade-offs, and how to spot it on a label.
Buying guides and comparisons
Honest comparisons, with clear labels on what each pick is based on.
Buying guide
Best African Black Soap: Bar and Liquid Picks
Four African black soaps chosen from published ingredients: an unscented fair trade bar and liquid, plus two widely sold store brands, with tips to avoid dryness.
Buying guide
Best Shampoo Bars: A Soap-Based and a Soap-Free Pick
Three shampoo bars chosen from published ingredients: a classic soap-based bar, a fragrance-free pH-balanced bar and a conditioning syndet, plus how to choose for your water.
Comparison
Shampoo Bar vs Liquid Shampoo: Pros, Cons and Who Should Switch
Shampoo bars cut plastic and travel well, but soap-based and syndet bars behave very differently on hair. Here is how to choose.
Latest articles
Buying guide
Best African Black Soap: Bar and Liquid Picks
Four African black soaps chosen from published ingredients: an unscented fair trade bar and liquid, plus two widely sold store brands, with tips to avoid dryness.
Buying guide
Best Shampoo Bars: A Soap-Based and a Soap-Free Pick
Three shampoo bars chosen from published ingredients: a classic soap-based bar, a fragrance-free pH-balanced bar and a conditioning syndet, plus how to choose for your water.
Comparison
Shampoo Bar vs Liquid Shampoo: Pros, Cons and Who Should Switch
Shampoo bars cut plastic and travel well, but soap-based and syndet bars behave very differently on hair. Here is how to choose.
Comparison
Castile Soap vs Regular Soap: What Is the Difference?
Castile soap is plant-oil soap, traditionally olive oil. Here is how it compares with typical store-bought bars and body washes in ingredients, feel and uses.
Comparison
Antibacterial Soap vs Regular Soap: Is Antibacterial Better?
The FDA found no evidence that consumer antibacterial soaps prevent illness better than plain soap and water, and removed common antibacterial ingredients. Here is what changed.
Comparison
Bar Soap vs Liquid Hand Soap: Which Is More Hygienic?
Do germs live on bar soap? Here is what research says about bar soap hygiene, how it compares to liquid hand soap, and how to choose for your sink.
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Our editorial mission
Clear answers, honest labels, no health hype.
We explain soap ingredients in plain English and back factual claims with sources. Soap cleans; we don't claim it cures anything, and "natural" isn't automatically better.
Some links earn us a commission. That never decides what we recommend, and we always say whether we've used a product ourselves.