The following list contains only the main test methods. For more detailed information about these and other tests or for the development of an individual test design please contact us.
Safety tests in vivo
Efficacy tests in vivo
Efficacy in vitro
Safety tests in vivo
Simple 48-hour patch test
Patch test after tape stripping
Duhring-Chamber-test (with TEWL and skin redness)
Repeated open application test (ROAT)
Efficycy tests in vivo
Hydration rate (moisturisation)
Corneometer
®
MPA
Transepidermal Water Loss
Tewameter
®
MPA
Irritation prevention induced by sodium lauryl sulphate
Tewameter
®
MPA
Chromameter
®
CR 300 / 400
Study of biomechanical properties (elasticity/firmness)
Cutometer
®
MPA 580
Roughness with silicon impressions
PRIMOS
®
(Phaseshift Rapid In-vivo Measurement of Skin) with real-time matching of skin areas - See
here
for a detailed description.
Roughness / wrinkle depth
(direct measurement without skin prints)
PRIMOS
®
(Phaseshift Rapid In-vivo Measurement of Skin) with real-time matching of skin areas - See
here
for a detailed description.
Skin surface lipids
Sebumeter
® SM 815 / MPA
Determination of squalene
Cutaneous pH measurement
Skin pH- Meter
pH 900
®
with surface electrode
Skin redness and pigmentation
Mexameter
® MX18
Chromameter
®
CR 400
Determination of sun protection factor and water resistance
ISO 24444:2010, FDA 2011 (
Solar Light Multiport UV Solar SimulatorModel 601
)
Efficacy of anti-dandruff products
Scoring System
User trials
Subjective evaluations
Questionnaires
Efficacy tests in vitro
UVA and UVB sun protection factors
Diffey-Method (SPF), ISO24443:2012 (UVA)