Fibronectin
molecular structure · PubChem
AKA: Fibronectin (Human plasma) (JAN), FIBRONECTIN (HUMAN PLASMA) [JAN], FIBRONECTIN [INCI], Fibronectin (Human plasma), FIBRONECTIN [WHO-DD], 86088-83-7
Synthetic
Skin Conditioner
Clean
Fibronectin is under investigation in clinical trial NCT01812239 (Vaginal Progesterone in Twins With Short Cervix).
Effective at 8.25%
Formula
C7H14O3
Mol. Weight
146.18
CAS #
86088-83-7
Form
Powder
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
A glycoprotein discovered and isolated in the 1970s. Its use in cosmetics is a modern biotechnological development aimed at promoting skin cell adhesion and wound healing, with no traditional historical precedent.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
4e-06%
16.5%
0%100%
Reported use
CIR reported use: 0.000004-6 | 0.00003-16.5
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Loss of Elasticity
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR