Isostearyl Isononanoate
AKA “Lanol 189, Isononanoic acid, isooctadecyl ester, UNII-4WJ2875Z9D, Hexanoic acid, RefChem:149994, DTXCID901477641”
Synthetic
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Ingredient Facts
Isostearyl isononanoate
AKA: Lanol 189, Isononanoic acid, Isooctadecyl ester, UNII-4WJ2875Z9D, Hexanoic acid, RefChem:149994, DTXCID901477641
Synthetic · Hair Conditioning | Skin Conditioning - Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Hair Care
Synthetic
Clean
A lightweight conditioning agent that smooths and softens hair and skin while helping products glide on effortlessly.
Formula
C27H54O2
Mol. Weight
410.70
CAS #
90967-66-1
Form
Liquid
Synthetic
Botanical. Derived from isostearic acid and isononanoic acid, which are synthetic branched-chain carboxylic acids. Produced through esterification, combining the two acids via acid-catalyzed condensation reaction.
Function
Hair Conditioning | Skin Conditioning - Emollient
Benefits
Locks In Moisture
Traditional Use
A synthetic ester developed as a lightweight cosmetic emollient and skin conditioning agent. Created to improve product feel and provide non-occlusive hydration in skincare and color cosmetics.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR