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If you've been reading ingredient labels lately, you're not alone. Natural and specialty soaps, from creamy goat milk bars to smoky pine tar, have a loyal following. We compared Amazon listings and customer reviews to find six popular picks across five styles. We haven't tested them ourselves. This guide sticks to what each soap is, what form it comes in and how people use it. It doesn't make skin or health promises.
Sensitive skin? Patch test first. Try a small amount on your inner arm and wait a day before you use a new soap all over, especially on your face. Stop using any soap that bothers your skin. If you have a skin condition or any concerns, talk to your doctor or a dermatologist.
Quick picks
- Best unscented goat milk bar: Goat Milk Stuff Purity
- Best triple-milled goat milk bar: Beekman 1802 Fragrance Free
- Best African black soap: Nubian Heritage African Black Soap
- Best pine tar soap: Grandpa's Pine Tar Soap
- Best charcoal soap: Grandpa's Charcoal Bar Soap
- Best castile soap: Dr. Bronner's Peppermint Pure-Castile
Goat Milk Stuff Goat Milk Soap Bar (Purity)
Goat milk soap is made by swapping some or all of the water in a soap recipe for goat milk. Goat Milk Stuff makes its bars on its own farm in Indiana. The Purity bar keeps the ingredient list short: raw goat milk, saponified coconut oil and sunflower oil, with no fragrance oil, essential oil or dye. The listing says each bar is cold processed from scratch and cured for six weeks.
People use it as an everyday hand, face or body bar. It comes in a box of two.
Dr. Bronner's Peppermint Pure-Castile Liquid Soap, 8 oz
The classic peppermint castile soap for hands and body.
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Our Earth's Secrets raw African black soap, 1 lb
A one-pound block of raw African black soap.
Check price on AmazonBeekman 1802 Goat Milk Soap (Fragrance Free)
Beekman 1802's bar takes a different route. It's triple-milled, which means the soap is ground and pressed several times for a dense, long-lasting bar. The listing says it's made with goat milk, botanical oils and shea butter, and it's free of parabens, sulfates, phthalates, synthetic colors and synthetic fragrances.
Use it as a hand or body bar. It's a single 3.5 oz bar, so it also makes a nice small gift.
Nubian Heritage African Black Soap Bar
Traditional African black soap comes from West Africa and is made with ash from plants like plantain skins and cocoa pods. Nubian Heritage makes an easy-to-find bar version. Its listing names shea butter, palm ash, plantain peel and tamarind extract among the ingredients.
People use it as a face and body bar. This is a formulated bar rather than raw black soap, so if you want the crumbly, unprocessed kind, look for a listing labeled "raw." It comes in a pack of five 5 oz bars.
Dr. Bronner's Pure-Castile bar soap, lavender, 5 oz
A plant-oil castile bar soap scented with lavender.
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Grandpa's Pine Tar Soap, 4.25 oz
A traditional pine tar bar with no added colors or fragrances.
Check price on AmazonGrandpa's Pine Tar Soap
Pine tar soap is an old-fashioned style made with pine tar, a dark, sticky substance traditionally made by heating pine wood. It gives the bar its deep brown color and smoky, campfire-like scent. Grandpa's is one of the best-known brands. The listing says the bar is vegetable based with no added colors or fragrances.
People use it as a body and hand bar. The smell is distinctive, so it's the kind of soap people tend to love or skip.
Grandpa's Charcoal Bar Soap
Charcoal soaps use activated charcoal, a fine black powder, mostly for its color and texture in the bar. Grandpa's charcoal bar pairs steam-activated charcoal with organic hemp seed and mint oils, according to the listing. The brand also describes the formula as vegan and cruelty-free.
People use it as a face and body bar. Keep it on a draining soap dish, since dark bars can leave marks.
Dr. Bronner's Peppermint Pure-Castile Liquid Soap
Castile soap originally meant soap made from olive oil. Today it usually means a plant-oil soap with no animal fats or synthetic detergents. Dr. Bronner's is the best-known example. Its listing says the soap is made with over 70% certified organic and fair trade ingredients and is about three times more concentrated than most liquid soaps.
The key word is dilute. People mix small amounts with water for body wash, hand soap and household cleaning. The peppermint version has a cooling tingle, and the brand also sells an unscented baby version.
How to choose a natural soap
- Start with scent. Unscented goat milk bars are the gentlest choice on the nose. Pine tar and peppermint are bold.
- Bar or liquid? Bars last a long time and travel well. Castile liquid is more flexible once you dilute it.
- Read the full ingredient list. "Natural" isn't a regulated term. Check the label for what's actually inside.
- Look for real certifications. If organic matters to you, look for certification details on the label, not just the word "organic" in a title.
- Patch test anything new. Everyone's skin is different. Ask a doctor or dermatologist if you have concerns.
FAQ
Which soap is best for sensitive skin? We can't say what will work for your skin. Unscented, short-ingredient bars are a common starting point. Patch test first, and talk to a dermatologist about any skin concerns.
Is Dr. Bronner's soap organic? The listing says it's made with over 70% certified organic and fair trade ingredients.
Grandpa's Charcoal Bar Soap with Hemp Seed and Mint Oil, 3-Pack
A charcoal bar with organic hemp and mint oils from the same family brand.
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Dr. Bronner's Peppermint Pure-Castile Liquid Soap, 32 oz
The classic concentrated castile soap you dilute for body, hands and household use.
Check price on AmazonWhat does pine tar soap smell like? Smoky and woodsy, like a campfire. It's strong, so it's not for everyone.
Did you test these soaps? No. We compared Amazon listings and customer reviews to choose these picks.
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The picks
Goat Milk Stuff Goat Milk Soap Bar, Purity (Unscented), Box of 2
A short-ingredient, unscented goat milk bar made on a family farm.
Check price on AmazonPros
- Ingredients listed as raw goat milk, saponified coconut oil and sunflower oil
- No fragrance oil, essential oil or dye
- Cold processed and cured six weeks per the listing
Cons
- Plain, unscented bar won't suit fragrance fans
- Handmade bars can vary slightly in shape
Beekman 1802 fragrance-free goat milk soap bar
A triple-milled goat milk bar with shea butter and no added fragrance.
Check price on AmazonPros
- Triple-milled for a dense bar
- Made with goat milk, botanical oils and shea butter
- Listing says it's free of parabens, sulfates, phthalates and synthetic fragrance
Cons
- Single 3.5 oz bar
- Smaller than some value packs
Nubian Heritage African Black Soap Bar, 5 oz, Pack of 5
A widely sold African black soap bar with shea butter, in a value pack.
Check price on AmazonPros
- Listing names shea butter, palm ash, plantain peel and tamarind extract
- Pack of five 5 oz bars
- Easy to find and restock
Cons
- A formulated bar, not raw unprocessed black soap
- Longer ingredient list than raw black soap
Grandpa's Pine Tar Soap, 4.25 oz
A traditional pine tar bar with no added colors or fragrances.
Check price on AmazonPros
- Vegetable based per the listing
- No added colors or fragrances
- Long-running brand
Cons
- Distinct smoky pine smell
- Strong scent can linger in a small bathroom
Grandpa's Charcoal Bar Soap with Hemp Seed and Mint Oil, 3-Pack
A charcoal bar with organic hemp and mint oils from the same family brand.
Check price on AmazonPros
- Steam-activated charcoal with organic hemp and mint oils per the listing
- Vegan and cruelty-free formula
- Pack of three 4.25 oz bars
Cons
- Mint scent
- Black bar can leave residue on dishes
Dr. Bronner's Peppermint Pure-Castile Liquid Soap, 32 oz
The classic concentrated castile soap you dilute for body, hands and household use.
Check price on AmazonPros
- Listing says it's made with over 70% certified organic and fair trade ingredients
- Concentrated, so a little goes a long way
- Many uses when diluted as directed
Cons
- Must be diluted
- Strong peppermint tingle isn't for everyone
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