Calcium Stearate 1 kg

Calcium Stearate for powder flow texture control and cosmetic structure

Calcium Stearate, INCI Calcium Stearate, is the calcium salt of stearic acid. In cosmetic and technical formulation, it is mainly used as a functional auxiliary ingredient that supports powder flow, dry slip, anti-caking behavior and texture modification. It is relevant to face powders, pressed color cosmetics, dry masks, anhydrous sticks, balms, creams, lotions and selected manufacturing blends.

Role in powder products

Calcium Stearate is useful in powder systems where the formulator needs smoother application and improved handling of dry materials. It can be combined with starches, kaolin, mica, sericite, mineral pigments and cosmetic fillers.

In pressed powders, blushes and eyeshadows, it contributes to the way the powder binds, picks up and spreads. The final performance still depends on the complete base, pigment dispersion, binder system, oil phase and pressing method.

Anhydrous and stick formulas

In sticks and balms, Calcium Stearate can help create a drier sensory profile and support structure when combined with waxes, fatty alcohols, butters and emollients. It should be dispersed carefully in the heated oil phase.

It does not replace the wax system. The final hardness, glide and pay-off of a stick depend on the full composition and cooling process.

Emulsions and creams

Calcium Stearate may be used in selected emulsions as a texture modifier. It is not the primary emulsifier, so emulsion stability must be created by the proper emulsifying system.

If used in creams, the formulator should check particle feel, distribution, viscosity and stability after cooling. Poor dispersion can create graininess or uneven application.

Pressed mineral face powder 1000 g

Sericite 320 g
Rice powder 220 g
Kaolin 140 g
Calcium Stearate 80 g
Mica satin finish 90 g
Tapioca starch 80 g
Magnesium myristate 35 g
Iron oxides blend 20 g
Caprylic capric triglycerides 10 g
Vitamin e 2 g
Fragrance suitable for powder cosmetics 3 g

Total batch weight: 1000 g

Sieve sericite, rice powder, kaolin, mica and tapioca starch. Blend until the dry base is uniform. Prepare a separate premix of Calcium Stearate, magnesium myristate and iron oxides to improve distribution.

Add the premix gradually to the main powder base and mix until the color appears even. Combine caprylic capric triglycerides, vitamin e and fragrance, then add this binder blend slowly to the powder while mixing.

After uniform blending, pass the mass through a suitable screen if needed. Press small test pans to evaluate adhesion, pickup, payoff and breakage. Adjust pressing pressure during production rather than changing the formula without testing.

Quality control

Products containing Calcium Stearate should be checked for uniformity, particle feel, powder flow, color consistency, stability and packaging compatibility. Pressed products require additional testing for pan strength, pickup and application.

Calcium Stearate is a practical auxiliary ingredient for dry, matte, pressed and anhydrous cosmetic textures. Its value depends on proper dispersion, suitable base selection and evaluation of the complete finished product.