Scale-Up in Pharmaceuticals, Nutrition & Cosmetics

From lab to production in solids and liquid processing

Seamlessly integrated solutions for R&D and
pilot-scale applications

Scaling-up is the critical bridge between product development and industrial manufacturing. In pharmaceutical, nutritional, and cosmetic industries, it ensures that formulations developed in the lab can be produced consistently, efficiently, and at high quality on a larger scale.

Whether producing powders, granules, pellets, ointments, creams, lotions, emulsions, and other liquid mixtures within the pharmaceutical, nutraceutical, and cosmetic industries, scale-up requires a deep understanding of formulation behavior, process parameters, and equipment interactions.

Today’s manufacturers must:

  • Maintain consistent product quality
  • Accelerate time-to-market
  • Ensure regulatory compliance

A successful scale-up is therefore not just a technical task – it is a key driver of manufacturing excellence and competitiveness.

Scale-up in solids processing

Granulation, powders & particle engineering

Granulation and mixing are core processes in pharmaceutical tablets, nutraceuticals, and powder-based cosmetics manufacturing. However, scaling-up solids processes is significantly more complex due to variability in raw materials and process dynamics

How to scale-up granulation processes?

Scale-up in granulation describes the transfer of a process from laboratory mixers to pilot and production systems, while maintaining quality, yield, and reproducibility.

Key challenges in solids scal-up

  • Consistent quality of the raw materials
  • Reproducible conditions (i.e. room humidity, room temperature) 
  • Geometric, kinematic, and dynamic similarities
  • Process inconsistencies that only appear at larger scale
  • Even small changes can disrupt a validated process 

Critical process parameters

  • Raw material properties: particle size, density, and solubility
  • Moisture content: directly affects agglomeration
  • Liquid addition: spray vs manual dosing, feed rate
  • Mixing dynamics: impeller and chopper speed
  • Energy input: influences granule growth and structure 

Practical rules for scaling up

  • Scale step wise (maximum factor)
  • Maintain dimensionless parameters
  • Control environmental conditions
  • Use process monitoring and data logging

A structured approach ensures robust, efficient, and reproducible production.

pharmaceutical scale-up

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Scale-up in liquid processing

Mixing make-up, creams & ointments

Liquid processing is essential across cosmetic, pharmaceutical, and nutritional applications, including: Creams and lotions, oils and serums, and ointments and gels.

What makes scaling up liquids processing complex?

Liquid processes depend heavily on fluid dynamics, shear forces, and mixing performance, making scale-up particularly sensitive. Lab success does not automatically translate to production without careful adaptation. 

Key success factors in liquid scale-up

Realistic lab conditions

  • Align lab parameters with industrial capabilities
  • Avoid unrealistic mixing speeds or shear rates

Similarity principles

  • Geometric similarity: consistent tank and mixer design
  • Kinematic similarity: constant tip speed for mixing and emulsification
  • Dynamic similarity: matching power density and flow conditions

Managing scale-up trade-offs

Liquid scale-up requires balancing

  • Flow behavior 
  • Gravitational vs inertial forces 
  • Energy input and product stability

This makes scale-up a carefully engineered compromise between competing factors.

cosmetic scale-up

Webinar: Liquid processing scale-up

Unlock expert knowledge on scaling mixing and emulsification processes.

Understand key principles, avoid common pitfalls, and optimize your transition from lab to production.

Frequently asked questions

Scale-up is the process of transferring formulations from laboratory to industrial production while maintaining consistency, efficiency, and product quality.

Scale-up ensures reproducibility, minimizes production risks, and enables faster commercialization of new products.

Geometry relations, kinematic, mixing dynamics, consistency in manufacturing surroundings, and consistency of raw material properties (e.g. sensitivity to moisture).

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