Calcium Stearate
AKA: 1592-23-0, Calcium octadecanoate, Octadecanoic acid, Calcium salt, Calcium distearate, Calstar, Flexichem, Aquacal, Flexichem CS, Stavinor 30
Synthetic
Emulsifier
Skin Conditioner
Synthetic
Clean
Calcium Stearate is a cosmetic ingredient used as anticaking, colorant, emulsion stabilising, viscosity controlling.
Solubility 0.004 G/100 CC H2O AT 15 °C; INSOL IN ALCOHOL & ETHER
Formula
C36H70CaO4
Mol. Weight
607.00
CAS #
1592-23-0
Form
Liquid
State
Pellets or Large Crystals, Liquid, Other Solid; Pellets or Large Crystals; Pellets or Large Crystals, Liquid; Dry Powder, Pellets or Large Crystals; Water or Solvent Wet Solid; Dry Powder; Liquid; Dry
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Prevents Clumping
Adds Color
Stabilizes Emulsion
Controls Viscosity
Keeps Formula Blended
EWG
1
CIR
—
Pregnancy
—
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG