Why R&D Formulators Rely on EXAKT Three Roll Mills for Cosmetic Development
For cosmetic R&D formulators, dispersion quality is not a secondary process step—it directly determines color strength, stability, texture, and sensory performance. When pigments, fillers, and functional solids are not properly dispersed, even the most carefully designed formulation will fail to meet performance or scale-up expectations.
EXAKT Three Roll Mills are engineered to give cosmetic formulators precise, repeatable control over dispersion—making them a trusted tool in cosmetic research, formulation development, and pilot production.
Controlled High-Shear Dispersion for Formulation Precision
Unlike high-speed mixers or rotor-stator systems, three roll mills force 100% of the material through controlled shear zones. EXAKT’s three horizontally aligned rollers rotate at progressively increasing speeds, pulling the formulation through adjustable gaps where agglomerates are broken down efficiently and uniformly.
For R&D formulators, this means:
Predictable particle size reduction
Uniform pigment wet-out
Reduced risk of over-processing
Consistent rheology across test batches
This level of control is especially critical when working with high pigment loads, sensitive actives, or complex oil-based cosmetic systems.
Key Advantages for Cosmetic R&D Applications
1. Improved Pigment Dispersion Without Particle Damage
EXAKT Three Roll Mills apply shear—not impact—allowing formulators to fully disperse pigments while preserving primary particle integrity. This results in:
Higher color strength
Improved gloss and opacity
Reduced pigment flooding or streaking
This is particularly valuable in lipsticks, foundations, pressed powders, and eyeshadows, where visual uniformity is non-negotiable.
2. Superior Texture and Sensory Performance
Particle size distribution directly affects skin feel. Poor dispersion leads to grittiness, drag, and uneven application.
With EXAKT mills, formulators achieve:
Smooth, creamy textures
Consistent payoff during application
Improved spreadability and slip
These improvements allow R&D teams to fine-tune sensory attributes early in development—reducing reformulation later.
3. Batch-to-Batch Repeatability in Development and Scale-Up
Reproducibility is one of the biggest challenges in cosmetic R&D. EXAKT’s precise gap control and stable roller geometry allow formulators to document and repeat exact processing parameters.
This enables:
Reliable comparison of formulation variants
Easier transfer from lab to pilot scale
Reduced variability during scale-up
For teams developing products destined for regulatory review or contract manufacturing, this consistency is critical.
4. Flexibility Across Cosmetic Formulations
EXAKT Three Roll Mills are well suited for medium- to high-viscosity cosmetic systems, including:
Anhydrous formulations
Oil-based dispersions
Wax-containing systems
High-solid pigment pastes
R&D teams can process small test batches efficiently without compromising dispersion quality—making EXAKT mills ideal for both exploratory research and pre-production validation.
Designed for R&D Efficiency
EXAKT mills are valued in cosmetic labs not only for performance, but for usability:
Quick gap adjustments for rapid experimentation
Easy cleaning between formulation trials
Minimal product loss during processing
Robust construction for long-term lab use
This allows formulators to spend less time troubleshooting equipment and more time refining formulations.
Why EXAKT Three Roll Mills Are a Standard in Cosmetic R&D
For decades, EXAKT has been recognized as a leader in precision dispersion technology. Their three roll mills are widely used in cosmetic R&D labs because they provide measurable, repeatable, and scalable results—exactly what formulators need when developing high-performance cosmetic products.
For cosmetic R&D formulators seeking maximum control over pigment dispersion, texture, and batch consistency, EXAKT Three Roll Mills offer a proven and reliable solution. From early-stage formulation development to pilot-scale validation, EXAKT mills help ensure that what works in the lab will perform in production—without compromise.
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