Sensorial analysis

Poor adherence to topical treatment is a serious problem with several contributing factors. Numerous studies have shown that poor texture and sensorial properties negatively impact patient experience and adherence to treatment. The good news is there is plenty of scope for innovation and improvement in topical dosage forms if the patient’s experience of texture and sensorial properties is taken into consideration during formulation development.

Sensory analysis is a scientific discipline that applies the principles of experimental design and statistical analysis to measure, analyze, and interpret the characteristics of a product as they are perceived by the senses.

Gattefossé has developed validated methods and established an in-house sensorial analysis panel. Using this approach, we can evaluate the sensorial properties of our prototype formulations to
• evaluate the influence of new raw materials in formulation,
• evaluate the main texture characteristics of our emulsifiers,
• compare prototypes with market references,
• understand market preferences,
• construct a broad texture database.

A trained panel and validated methods for reliable results

Gattefosse sensorial analysis Our sensory panel brings together over a dozen trained staff members, both men and women. They test new formulations approximately twice a week. The assessments are carried out using specific protocols and standardized procedures, and the results are statistically analyzed.

Tests cover vision and touch, and they evaluate the following criteria:

Initial touch

pick-up
texture
creaminess

During application

spreadability
tackiness
play time
greasiness
softness
absorption

After absorption

residual film
tackiness
greasy after-feel
soft after-feel
shine

The power of sensorial mapping

This sensorial map shows the results with cream formulations formulated with different Gattefossé pharmaceutical-grade emulsifiers. It enables direct and visual comparison and can help to select the emulsifier or appropriate prototype formulation.

Click on the image to enlarge.

For more information on how to develop formulas for optimized texture and sensory properties, please see our topical formulation section.