At Institut Dr. Schrader all types of application studies are performed under dermatological and ophthalmological control.

Here standardized measurements of many different parameters are carried out for documentation of the efficacy and safety of hair care and hair styling products:

Subjective data collection by experts (salon tests)

• Product comparisons / half-head test, build-up study
• Efficacy evaluation / in-use test
• Anti-dandruff effect
• Hair dyes

Subjective data collection by test subjects

• Cosmetic acceptance and effectiveness

Objective data collection (laboratory tests)

• Combability, suppleness / tensile test
• Hair shine / gloss box
• Breaking strength / tensile strength measurement
• Weathering resistance / curl retention
• Volume, hair smoothness, anti-frizz / shadow test
• Heat protection, UV protection / ICL-H
• Washing and UV resistance
• Lightening performance/ bleaching test
• Color permeation / hair cross-section
• Mascara / volume and length test

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