Ascorbyl Isostearate
AKA “ORISTAR AIS, 0833RLV6F6, OLI-2192 ASCORBYL ISOSTEARATE, RefChem:199636, ASCORBYL ISOSTEARATE [INCI], SCHEMBL17542168, Q27236355”
Skin Conditioning
Ingredient Facts
Ascorbyl isostearate
AKA: ORISTAR AIS, 0833RLV6F6, OLI-2192 ASCORBYL ISOSTEARATE, RefChem:199636, ASCORBYL ISOSTEARATE [INCI], SCHEMBL17542168, Q27236355
Skin Conditioning · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Vitamin C
Not Clean
Ascorbyl Isostearate is the ester of Ascorbic Acid and isostearic acid
Formula
C24H42O7
Mol. Weight
442.60
CAS #
-
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Synthesized as a lipophilic vitamin C ester in the late 20th century to enhance penetration and stability of vitamin C in oil-based or occlusive skincare products.
Skin Types
●all-skin-types
Best For
Sun Damage
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR