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Corn (Zea Mays) Flour
AKA “Zea Mays Flour”
Synthetic
Ingredient Facts
Corn (Zea Mays) flour
AKA: Zea Mays Flour
Synthetic · Astringent · EWG: 4
Plant-Derived Synthetic
Astringent
Skin Conditioner
Synthetic
Clean
Science: Process: Drying + Milling Safety Ratings: CIR: Safe as used
CAS #
8001-30-7; 66071-96-3; 68525-86-0; 9005-25-8
Form
Powder
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.
Absorbent
Astringent
Tightens and contracts skin tissue, temporarily shrinking pores and reducing oiliness. That "clean, tight" feeling after toner.
Gently exfoliates skin
Absorbs excess oil
Softens and smooths skin texture
Traditional Use
Corn flour has been used for thousands of years in indigenous Mesoamerican skincare as a gentle exfoliant and skin-soothing agent. Applied traditionally in face masks and beauty preparations across Latin American and Native American cultures.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Comedogenic
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Final Report of the Safety Assessment of Cosmetic Ingredients Derived from Zea mays (corn)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Zea Mays (Corn) Fruit
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays (Corn) Germ Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays (Corn) Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays (Corn) Oil Unsaponifiables
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays (Corn) Starch
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Zea Mays (Corn) Germ Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Zea Mays (Corn) Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Zea Mays (Corn) Starch
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Feb 2026
Data: CosIng · EWG · CIR