Polyglyceryl-4 Isostearate
Polyglyceryl-4 Isostearate is an emulsifying ingredient. It’s in 59 products on Poliage, most often foundation, concealer and sunscreen. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
What it does
Contains Polyglyceryl-4 Isostearate: emulsifying
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 78910, accessed October 22, 2026.
Products that contain Polyglyceryl-4 Isostearate
SHEGLAM
Skin Sync Satin Foundation-Linen
Foundation · Lists silicones
SHEGLAM
Squeeze & Dot Shimmer Blush Paint 020 Knock Out
Blush · Lists silicones
MAC
Strobe Beam Liquid Blush
Blush · Lists silicones
MAC
Strobe Dewy Skin Tint Moisturizer
Foundation · Lists silicones
Dermalogica
Super Rich Repair
Moisturizer · Lists fragrance allergens, essential oils, silicones, coconut derivatives
The INKEY List
Supersize Omega Water Cream
Moisturizer · Lists coconut derivatives
Kevyn Aucoin
The Etherealist Skin Illuminating Foundation
Foundation · Lists silicones
Victoria Beckham Beauty
The Foundation Drops with TFC8
Foundation · Lists coconut derivatives
CeraVe
Therapeutic Hand Cream
Body lotion · Lists parabens, silicones
COVERGIRL
TruBlend Matte Made Foundation
Foundation · Lists silicones
Black Opal
True Tone Brightening Concealer
Concealer · Lists silicones
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