Hydrolyzed Oat Flour
AKA “Oat Flour Hydrolysate, Hydrolyzed Oat Extract
Synthetic
Ingredient Facts
Hydrolyzed oat flour
AKA: Oat Flour Hydrolysate, Hydrolyzed Oat Extract
Synthetic · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Synthetic
Clean
Hydrolyzates, oat flour Science: Process: Hydrolysis | Functions: Hair Conditioning, Skin Conditioning Safety Ratings: CIR: Safe as used
CAS #
151661-87-9
Form
Powder
See origin →
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
Oatmeal has been used for centuries in folk medicine and traditional skincare for soothing irritated skin and reducing inflammation. The hydrolyzed form was developed in the modern era to enhance absorption and provide better conditioning in cosmetic formulations.
Skin Types
all-skin-types
Best For
Irritation
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR