Inline Process Monitoring for Cosmetics & Personal Care

From lab-blind to batch-certain. Real-time inline viscosity and density across emulsion, filling and CIP — so every batch hits the same sensorial spec, and every fill hits the same net content.

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Complications within the cosmetics industry

Cosmetic production relies on complex fluids where a lack of real-time monitoring leads to critical inefficiencies. Traditional lab methods fail to capture dynamic changes during production, risking both product stability and operational profitability.

Structural Instability & Phase Separation

Undetected viscosity fluctuations serve as early indicators of formula breakdown, compromising shelf-life and safety.

Filling & Dosing Inaccuracies

Flow variations cause "stringing," nozzle dripping, and costly net-content deviations that disrupt high-speed packaging lines.

Compromised Sensorial Attributes

Inconsistencies in density and texture directly impact the "luxury feel," firmness, and spreadability that define consumer brand loyalty.

The Rheonics Advantage

Our core technology is a patented Balanced Torsional Resonator (BTR), the only one that cancels out ambient vibrations, pressure pulsations, and mounting effects. This allows for direct installation in high-shear mixers and high-speed filling lines to provide the real-time, high-fidelity data needed to guarantee perfect product consistency, luxury texture, and long-term stability—moving your cosmetic production from manual sampling to a fully predictive quality posture.

The Standard for Esthetic Engineering

Skincare & Fluid Care

Within this are included Moisturiser, Sunscreen, Toner, Aftershave, and Cleanser, and it is important to measure their viscosity and density because these parameters dictate application comfort and active ingredient delivery. Viscosity controls spreadability, while density monitoring identifies micro-bubbles to ensure physical stability and correct formulation concentration.

Personal Hygiene & Body Wash

Within this are included Shampoo, Bodywash, Gel, and Shave Cream, and it is important to measure their viscosity and density because they are vital for optimizing high-speed filling lines and preventing waste. Precise viscosity avoids stringing or dripping at nozzles, and density control ensures exact net content by managing aeration and foam levels.

Decorative & Color Cosmetics

Within this are included Lipstick, Nail Polish, Foundation, Mascara, Eye Liner, Blush, Eyeshadow, and Powder, and it is important to measure their viscosity and density because they determine color uniformity and final coating quality. Viscosity ensures clumping-free application, while density verifies the homogenous dispersion of pigments and solids before molding.

Fragrances & Volatiles

Within this are included Perfume, Cologne, Deodorant, and Hairspray, and it is important to measure their viscosity and density because of the high precision required for solvent-to-fragrance ratios. Density serves as the primary real-time concentration check during filling, while stable viscosity ensures consistent spray patterns through aerosol valves.

The Standard for Esthetic Engineering

Skincare & Fluid Care

Personal Hygiene & Body Wash

Decorative & Color Cosmetics

Fragrances & Volatiles

Operational Benefits, Batch After Batch

Mastering the Consumer Experience

Batch Consistency
Guaranteed texture and spreadability for every production run.

Zero-Waste Dosing
Reduce raw material giveaway by 40% with high-precision filling.

Lower Quality Costs
Detect formula instabilities early to prevent costly batch rejections.

Sustainable Sanitary Excellence

Sanitary Autonomy
EHEDG/3-A certified sensors for automated, deposit-free CIP.

Live Traceability
Continuous data streams for 100% regulatory and quality compliance.

Agile Manufacturing
Instant product changeovers with zero sensor recalibration.

The Technology That Makes It Possible

One core principle, adapted for every cosmetic application.

Rheonics SRV

Wide-range inline process viscosity & temperature meter
Used for cream homogenization, emulsion stability, and sensory texture optimization (shampoos, lotions, and color cosmetics).

Rheonics SRD

Wide-range inline process density, viscosity & temperature meter
Used for formulation accuracy, air entrapment detection, and net content control in filling lines (toothpastes, gels, and active skincare).

SRV Viscometer and SRD Density and Viscosity Meter are designed to meet the demands of a wide range of industrial applications. Take a look at the table below to know which one could be best suited for your application.

Specifications	SRV Viscometer	SRD Viscosity and density meter
Viscosity Range	0.5 - 50,000 mPa·s	1 - 10,000 mPa.s
Density Range	-	0.00 - 1.5 g/cc
Temperature range	285°C (545 °F)	285°C (545 °F)
Pressure Rating	1500 bar (20000 psi)	1500 bar (20000 psi)
Wetted Materials	Stainless steel 316L or Hastelloy C22	Stainless steel 316L or Hastelloy C22
Process Connections	Compatible with different hygenic process connections (Tri-Clamp, Varinline, DIN 11851, BSP, more)
See product	See Product	See Product

Hygienic Engineering: Sensor Accessories That Make It Possible

Rheonics offers an ecosystem of 3-A and EHEDG certified accessories designed to eliminate dead spaces and ensure total cleaning (CIP/SIP).

FET-XXT

(Tri-Clamp Elbow Tee)
Hygienic flow elbow with short port. Ideal for highly viscous fluids (creams, gels), ensures total immersion without clogging the line.

HPT-12G

(Hygienic Flow Cell)
High pressure and temperature flow cell. Designed for small diameter lines where hygiene and durability are critical.

HAW-12G-OTK

(Hygienic Weldolet)
Adapter for flush welding on tanks or pipes. Its 3-A certified design eliminates crevices where bacteria could proliferate.

WFT-15T

(Tri-Clamp Weldolet)
Sanitary weld bead for Tri-Clamp connections. Enables a perfect perpendicular weld, ensuring the sensor measures the core of the flow.

Varinline Housing

Compatible with GEA Varinline housings. They allow for dead-space free integration, a standard in the personal care industry.

Available certifications

Rheonics provides a range of certifications including hygienic and intrinsic safety certifications to meet the diverse requirements of different applications and industries.

3-A Sanitary Standard

The Rheonics type-SR sensors bearing the 3-A symbol indicate compliance with these standards, assuring consumers, regulatory agencies, and industry stakeholders that the sensor probe meets high levels of hygiene and sanitation.

EHEDG Certified

Rheonics EHEDG-certified process viscometers and density meters are designed to prevent contamination, maintain product integrity, and ensure food safety throughout the production process. This certifies the materials used, design principles, ease of cleaning, and compatibility with sanitation procedures.

ATEX Compliance

Rheonics offers intrinsically safe sensors certified by ATEX and IECEx for use in hazardous environments. These sensors comply with the essential health and safety requirements relating to the design and construction of equipment and protective systems intended for use in potentially explosive atmospheres.

IECEx Compliance

These sensors comply with the essential health and safety requirements for the design and construction of equipment and protective systems intended for use in potentially explosive atmospheres.

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Move from sampling cups to inline certainty

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