Sunday Riley Saturn Sulfur Spot Treatment Mask Versus COSRX AC Collection Ultimate Spot Cream
Overview
What they are
These products are both cruelty-free . They have a total of 2 ingredients in common
Suited For
They're both likely to be good for fighting acne, anti aging, dry skin, brightening skin, sensitive skin, oily skin, scar healing and dark spots
Free From
They both do not contain any common allergens, parabens or sulfates
What's Inside
They both contain fragrances and oils
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Sunday Riley Saturn Sulfur Spot Treatment Mask 34 ingredients
COSRX AC Collection Ultimate Spot Cream 24 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Sunday Riley Saturn Sulfur Spot Treatment Mask 34 ingredients
COSRX AC Collection Ultimate Spot Cream 24 ingredients
Key Ingredients
Benefits
Concerns
Benefits
Concerns
Ingredients Side-by-side
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
This tea tree oil comes from the leaves of the Tea Tree plant. Tea tree oil has antioxidant, anti-inflammatory, and antimicrobial properties.
According to the book Journal of Profiles of Drug Substances, tea tree helps in reducing acne-causing bacteria such as Propionibacterium acnes. This is due to the Terpinen components of tea tree oil.
Tea tree may cause sensitivity and irritation for some people. This oil naturally contains fragrance such as linalool and limonene.
However, research shows irritation usually occurs when using pure tea tree oil and not in cosmetic products.
Tea tree oil was found to help relieve the symptoms of psoriasis in one study.
Tea tree oil is toxic when ingested. Another study showed it to caused damage to the nervous system of dogs and cats when applied to their skin or given orally.
Learn more about Melaleuca Alternifolia Leaf OilPolysorbate 60 is used to help stabilize products. It is a surfactant and emulsifier. These properties help keep ingredients together in a product. Surfactants help reduce surface tension between ingredients with different states, such as liquids and solids. Emulsifiers help prevent oils and waters from separating.
Polysorbate 60 is sorbitol-based and created from the ethoxylation of sorbitan. Ethoxylation is a chemical reaction used to add ethylene oxide. Sorbitan is a the dehydrated version of sorbitol, a sugar found in fruits.
In this case, the 60 comes from reacting 60 units of ethylene oxide with sorbitan.
Polysorbates are commonly used in medicine and foods.
Learn more about Polysorbate 60Ingredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Sunday Riley Saturn Sulfur Spot Treatment Mask 34 ingredients
COSRX AC Collection Ultimate Spot Cream 24 ingredients

Reviews
Here's what our community thinks
Sunday Riley Saturn Sulfur Spot Treatment Mask 34 ingredients
COSRX AC Collection Ultimate Spot Cream 24 ingredients
Initially I didn't like this but it was because the directions were not very clear to me. Even here on Skinsort it would line it up in the middle of the routine. Probably my fault in not using it right but now, I lather on a thick layer on any blemish or even on dark spots left from older acne before going to bed as the very last step. In the morning the blemishes are either gone or very much Show more