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DermaHarmony

2% Pyrithione Zinc Castile Soap (Liquid)

2% Pyrithione Zinc Castile Soap (Liquid)

13 total reviews

Regular price $60.00 USD
Regular price Sale price $60.00 USD
Sale Sold out
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ABOUT THIS PRODUCT

Some formulas are worth bringing back. First introduced in 2014, our Liquid Zinc Soap earned a large devoted following for its simple approach to cleansing. Customers continued asking for it long after we stopped making it in 2022. This soap has a highly passionate, and deeply dedicated group of vocal fans.

We listened. Liquid Zinc Castile Soap returned exclusively to DermaHarmony.com in September 2026, for customers who prefer a traditional fragrance-free formula and the feel of liquid castile soap. This is the Original Formla #11345 from 2014. Nothing has changed except for the label design.

The formula pairs 2% pyrithione zinc with a cleansing base made from saponified olive and coconut oils, alongside vegetable-derived glycerin, coco glucoside, oat kernel flour, xanthan gum, salt, and citric acid. Pyrithione zinc provides relief of itching, flaking, and irritation associated with dandruff and seborrheic dermatitis. There is no added fragrance or essential oil. If you prefer to leave tea tree oil out of your cleansing routine, this is the fragrance-free option in our liquid zinc collection.

This is a thick liquid soap, and the pyrithione zinc can settle toward the bottom over time in a natural soap-base. Shaking the bottle is an important part of using this formula, especially after the bottle has been sitting for a number of months. Shake well before use to redistribute the active ingredient.

Why can I only buy this from DermaHarmony?

Because freshness matters more with this formula than any of our other products. The soap's short ingredient list and natural saop base give it a shorter useful life than our cleanser, so every bottle is filled close to its ship date. Retail and marketplace distribution (e.g. Amazon and Walmart) add weeks or months of warehousing and shelf time before the bottle ever reached you — time this soap doesn't have to spare. Shipping directly from our own facility is the only way we can promise you a genuinely fresh bottle, so for now, this is the only place to find it.

Prefer a formula that needs less attention to shaking/mixing? Our Non-Soap Liquid Zinc Cleanser offers better suspension and a thinner, easier-pouring texture.

SIZES

4 FL OZ (118 ML)
12 FL OZ (354 ML)
64 FL OZ (1.89 L)

DIRECTIONS

Shake the bottle before each use. For best results use daily or as directed by your doctor. Work up a lather using warm water and gently massage into affected areas. Soap should stay in contact with affected skin for 60-90 seconds. Rinse well. Use on affected skin or scalp in place of your regular soap or shampoo. In case of accidental ingestion, contact a physician or poison control center immediately. Rinse with water if soap comes into contact with your eyes (the zinc pyrithione will sting).

USE AS SHAMPOO

Castile soap is strong enough to clean the scalp of excess sebum and product build up, but gentle enough to not leave our hair stripped and dry. Experiment using the soap at different dilutions (e.g. 2 teaspoons and one cup water, etc.) until you find the right dilution for you. Most customers use the soap at full strength needing just several drops of soap per application.

ACTIVE INGREDIENTS

2% Pyrithione Zinc

INACTIVE INGREDIENTS

Water, Saponified Oils (from Olive and Coconut Oil), Glycerin (from Vegetable Oil), Coco Glucoside (foaming agent derived from Coconut Oil and Fruit Sugar), Table Salt, Avena Sativa (Oat) Kernel Flour, Xanthan Gum, Citric Acid Made from responsibly sourced and sustainable natural oils.

OTHER INFORMATION

Made in the USA.

Within 6 months of purchase.

It is safe to use this product in your hair in substitute of regular shampoo.

NDC Code: 71819-007-04
ASIN: B07B87PHCD
GS1 UPC: 810103240995


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  • 5 stars: 12 (92%)
  • 4 stars: 1 (8%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
T
Todd P
Wonderful!

This stuff works so well, I searched for years for something to prevent my deep acne and this is the only thing that has worked. In the past I have used the bars of zinc soap but switched to the liquid and it works great too!

S
Sean Quinn
Only product that has worked after 10 years of searching

I’ve long suffered from seborrheic dermatitis and I’ve run the gamut of products to combat the condition to no avail. So much so, I’ve doubted the diagnosis of the condition and remained helpless to the flare ups for years.

A
Autumn Monterrozo

just started using it and my little eczema spots are fading!

F
Finaaa
We have tried everything

It’s been the only thing to work on my scalp and my husbands scalp. He uses it in his bread too and it helps his rosacea. We water down, two squirts into a small 2oz bottle. I have long hair and I do wash with another natural shampoo as Castile soap can leave a weird film. But it’s so worth it to not have a sore, itchy, dry scalp! Will reorder.

J
Julia
Works for my acne

I thought I was having hormonal acne breakouts on my chin and was frustrated that using benzyl peroxide wasn't helping. My dermatologist suggested I try this (apparently a large portion of adult acne is actually fungal and not bacterial/or both). Anyway, this seems to have done the trick. My active breakouts are gone and I'm not seeing any new ones. The only downside of this is it seems to burn my skin a little bc I have very sensitive skin, therefore I only use it on my chin, which is the area I experience acne.

B
Blackrose
Solved my problem

This helped resolve patchy scaly satuff on my skin. I use it regularly now.

L
Larry A Van Meter
Good, effective product

This is a truly effective product, but only when used in conjunction with other therapy. I'll use DermaHarmony about three days a week and Selenium Sulfide lotion (leave on for 20 minutes) the other days.

L
Larry A
Good, effective product

This is a truly effective product, but only when used in conjunction with other therapy. I'll use DermaHarmony about three days a week and Selenium Sulfide lotion (leave on for 20 minutes) the other days.

S
SupKarma
Separated ingredients, small for price

Unfortunately my bottle came and keeps separating. It looks kind of gross and I don't know if it's okay to use. I really liked the bar version's effectiveness, but was looking for something easier to use that wouldn't eventually dry up like the bar does for me. Still better than Nobel's formula in my opinion.

M
Mariah
It works

The only thing that actually takes care of my husbands dandruff.

J
JamiFeldman
Helped get rid of SD symptoms after a few weeks!

I use this wash every a.m. and let it sit on my face while I brush my teeth and then rinse it off. I use it with SD cream (at night only) and the two products have eliminated my SD symptoms! Highly recommend!

K
Kevin Nakajima
Three Stars

I don't notice a difference in my skin or scalp.

C
Christine Noppenberg
Works for adult acne

I can't say enough good things about this product!!! I am a long-time adult acne sufferer and have tried countless products over the years, but nothing has ever worked well before. A few months ago I had a breakthrough and started thinking of my acne as more of a psoriasis problem. Since then I have made a little more headway, but the breakouts continued. I was really afraid to order this because my skin is so sensitive to oil. (Anything that is not oil-free makes me break out almost immediately.) The fact that this is castile soap (containing oil) really worried me, but you know what they say... insanity is doing the same thing over and over again and expecting a different result. I was so desperate, I took a chance... and I am SO GLAD I DID. Thank you to all the people who took time to review this product because it was those reviews that convinced me to try it. Btw, most acne products are NOT good for you OR your skin-- they have lots of nasty/dangerous ingredients. That is another reason why I chose to try this-- I went on EWG.org's Skin Deep Cosmetics Database and was thrilled by how the ingredients scored (LOW toxicity!!!). Thank you, thank you, THANK YOU DermaHarmony for making this product and selling it on Amazon!!!! :) (I'm not a professional reviewer, just a very, very happy customer.)