Overview
What it is
Facial treatment with 4 ingredients
Cool Features
It is vegan, cruelty-free, fungal acne (malassezia) safe, and reef safe
Suited For
It has ingredients that are good for fighting acne and oily skin
Free From
It doesn't contain any harsh alcohols, common allergens, parabens, silicones or sulfates
Fun facts
Uncle Harry's is from United States. This product is used in 1 routines created by our community.
We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Explained
Colloidal Silver is mixture of tiny silver particles in a liquid base. It has antimicrobial properties.
Silver ions work by disrupting the cell membranes of bacteria that ultimately leads to cell death; this is why you'll see it appear in wound dressings, acne treatments, and products for acne-prone skin.
Silver nanoparticle gel performed comparably to the antiobiotic clindamcyin in a double-blinded, randomized study for treating moderate acne (both were combined with benzoyl peroxide).
It should be noted the overall body of clinical evidence is still pretty thin, and some in-vitro studies have found that commercially available colloidal silver solutions didn't actually show antimicrobial activity against tested organisms.
The most well-known risk of using this ingredient is argyria. Argyria is the condition where silver builds up in the body's tissues and causes a permanent bluish-gray skin discoloration (and this is mostly associated with oral ingestion rather than topical use).
The FDA ruled in 1999 that over-the-counter colloidal silver products are not generally recognized as safe and effective and the NCCIH notes that silver has no known beneficial function in the body and is not an essential mineral.
It's a good idea to talk to a dermatologist first and stick to well-formulated topical products if you're considering a colloidal silver skincare product.
Learn more about Colloidal SilverWater. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!
Learn more about WaterOriganum Vulgare Leaf Oil is an oil.
This ingredient is also known as tea tree oil. It has antioxidant, anti-inflammatory, and antimicrobial properties.
Tea tree oil is a complex lipophilic (fat-loving) oil that contains around 100 compounds with terpinen-4-ol being the most abundant (~40%).
Terpinen-4-ol is responsible for tea tree oil's broad-spectrum antimicrobial activity and makes it a well-researched option for acne.
Clinical studies support 5% tea tree oil as an effective topical treatment for mild to moderate acne. A study with 124 patients compared 5% tea tree oil gel to 5% benzoyl peroxide and both reduced acne (though tea tree oil worked more slowly).
Besides acne, it is also seen in anti-dandruff shampoos and scalp treatments for it's antimicrobial and anti-seborrheic properties.
Safety-wise, the allergic potential of low concentrations on healthy skin is considered low. However, oxidized (old or improperly stored) tea tree oil is a stronger sensitizer.
Irritation can also occur if using the undiluted oil on skin; it's best to use this ingredient as part of a carefully crafted cosmetic formula. This is because regulations require tea tree oil in cosmetics to be stabilized to prevent degradation.
This ingredient has been deemed safe up to 2% in shampoo, 1% in cleansers, and 0.1% in face cream by the EU's Scientific Committee on Consumer Safety (SCCS).
There is some lab evidence that tea tree oil is antifungal against Malassezia, but it is a supportive option at best and not a replacement for proven antifungal treatments.
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Where it's from
Uncle Harry's is a American brand
Often compared with
We're dedicated to providing you with the most up-to-date and science-backed ingredient info out there.
The data we've presented on this page has been verified by a member of the SkinSort Team.
Read more about usยท Updated October 13, 2025 • Added by LunaMae777
