Very Disliked
Polyglyceryl-4 Isostearate
May feed Fungal Acne
Non-fungal acne-safe products contain ingredients that can worsen fungal acne. If you suspect fungal acne, consult a dermatologist for proper diagnosis.
Explained
Polyglyceryl-4 Isostearate is a plant-derived, PEG-free emulsifier.
It's made by hooking isostearic acid onto a chain of glycerin units to give it a water-loving "head" and oil-loving "tail". This allows it to keep the oil and water mixed in a formula.
The highest reported concentration is about 24% in eye makeup but most suppliers recommend a level below 10%.
It has a clean track record for safety and found to be non-irritating.
Because it is an ester of a C18 fatty acid, Malassezia can potentially metabolize it (it sits in the C11-24 range that Malassezia likes). Therefore, this ingredient may not be fungal acne safe.
See all 1,690 products with Polyglyceryl-4 Isostearate
Users who like it
8%
Users who avoid it
92%
What it does
Emulsifying
The act of emulsion: a suspension of small globules of one liquid in a second liquid with which the first will not mix
Prevalence
Uncommon
Percentage of products that contain it
1.3%
Top categories
Makeup
Sunscreens
Moisturizers
Position
Predominant list placement
Top 50%
References
CosIng Data
CosIng ID
78910
INCI Name
POLYGLYCERYL-4 ISOSTEARATE
EC #
 -
All Functions
Emulsifying
