Sodium Isopropylparaben
molecular structure · PubChem
AKA: Isopropylparaben Sodium Salt, Preservative
Synthetic
Preservative
Not Clean
Sodium salt of Isopropylparaben
CAS #
99-76-3; 26112-07-2
Form
Powder
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Anti-Inflammatory
Antimicrobial
Fights Acne
Prevents microbial growth
Traditional Use
A synthetic preservative from the paraben family developed in the 20th century with no traditional use. Formulated to provide antimicrobial protection in modern cosmetic and pharmaceutical formulations.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Concentration Guide
Dermal absorption: 0.1%. Source: CIR Safety Assessment (CIR Seq 746).
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR