Ectoin
Ectoin is a skin conditioning ingredient. It’s in 58 products on Poliage, most often serum, moisturizer and sunscreen. Avoid lists on Poliage that include it: none.
Updated October 21, 2026
In plain English
Ectoin: used to condition skin.
What it does
Contains Ectoin: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 56122, accessed October 22, 2026.
Products that contain Ectoin
The Ordinary
Rice Lipids + Ectoin Microemulsion
Moisturizer · None of Poliage’s flag groups listed
Rose Inc
Softlight Skin-Smoothing Liquid Foundation
Foundation · Lists essential oils, silicones
Biossance
Squalane + Copper Peptide Rapid Plumping Serum
Serum · None of Poliage’s flag groups listed
Glossier
Stretch Fluid Foundation
Foundation · Lists coconut derivatives
Hero Cosmetics
Superlight Sunscreen SPF 30
Sunscreen · Lists coconut derivatives
Supergoop!
Superscreen Hydrating Daily Cream SPF 40
Sunscreen · Lists chemical UV filters
Tatcha
The Milky Sunscreen SPF 50
Sunscreen · Lists fragrance, chemical UV filters
Supergoop!
Triple Prep Weightless Multitasking Moisturizer SPF 40
Sunscreen · Lists exfoliating acid, silicones, chemical UV filters
Tula
TULA sun protection measures
Lists exfoliating acid, chemical UV filters
Glow Recipe
Watermelon Milk Peptide Cushion Cream Moisturizer
Moisturizer · None of Poliage’s flag groups listed
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