Hydrolyzed Oat Protein
AKA “Oat Protein Hydrolysate, Hydrolyzed Oat Proteins
Synthetic
Ingredient Facts
Hydrolyzed oat protein
AKA: Oat Protein Hydrolysate, Hydrolyzed Oat Proteins
Synthetic · Antistatic · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Synthetic
Clean
Oat protein that smooths and strengthens hair while locking in moisture for softer, shinier strands and calmer, conditioned skin.
CAS #
151661-87-9
Form
Powder
State
Solid
See origin →
Functions
Antistatic
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
Oats have a long history in traditional skincare across multiple cultures for calming and moisturizing properties. The hydrolyzed protein version was created in the 20th century to concentrate these benefits and improve cosmetic formulation compatibility.
Skin Types
all-skin-types
Best For
Dryness
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