Polygonum fagopyrum (Buckwheat) seed extract
AKA “buckwheat seed extract
Extract
Ingredient Facts
Polygonum fagopyrum (Buckwheat) seed extract
AKA: Buckwheat seed extract
Extract · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Extract
Not Clean
Polygonum fagopyrum (buckwheat) seed extract is a cosmetic ingredient used as skin conditioning.
Family
Polygonaceae (Buckwheat family)
Plant Part
Seed
Lifeform
Annual
Climate
Temperate
CAS #
89958-09-8
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.
Conditions Skin
Reduces Inflammation
Softens & Smooths
Traditional Use
Buckwheat has been used in Traditional Chinese Medicine and European folk medicine for circulation and inflammation. Historically applied topically for skin conditions, and modern skincare recognizes its antioxidant and skin-strengthening properties.
Skin Types
all-skin-types
Best For
Redness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR