Tolerability

Patch test, Hypoallergenycity forecast test,  Photo patch test, Tolerability in use, Repeated Insult Patch Test, (all under dermatological or ophthalmological control).  Het Cam.

Efficacy               

Anti-sebum, Anti-dandruff        

Sebometry, acute and in use.
Anti-dandruff test: weight of the dandruff scales, number and total surface of corneocytes,  dermatological evaluation, volunteer’s evaluation.

Strengthening/Reinvigorating          

Evaluation of hair resistance (pull test), count of fallen hair after washing under standard conditions (wash test), dermatological evaluation of tolerability, volunteer’s evaluation.
On request: Evaluation of hair diameter under Scanning Electron Microscope (SEM).

Hair-loss prevention        

Count and ratio of anagen/telogen hair by Phototrichogram analysis, dermatological evaluation, volunteer’s evaluation.

Sensory

Shampoos, Conditioners, Lotions, Dyes, Lacquers

Tests ex-vivo (on hair locks):
moisturizing effect, curl retention, anti-electrostatic effect, apparent volume, gloss and  handiness, on virgin or permed hair.
Measure of damage to the hair fibre.
Color, coating efficacy of dyes (with  colorimeter).
Consumers assessment.