The effectiveness of our Haircare line starts with science and is measured in results.

To understand if a product is effective, we start with the result we want to verify and choose the most suitable test. Density, elasticity, sebum, frizz, and brightness are evaluated using specific methods. This way, effectiveness is not just a promise, but is supported by data obtained under defined conditions.

Because every result requires a different method of evaluation. Hair density is measured using TrichoScan®, elasticity with a dynamometer, sebum with Sebumeter®, while frizz and fiber surface require other methods. This is how we can assess effectiveness accurately, parameter by parameter.

User experience is also part of the results. Self-assessment tests collect what people notice during use, such as softer hair, easier to comb, or a longer-lasting feeling of cleanliness. We pair this data with instrumental tests to explain effectiveness from another perspective.

How we evaluate effectiveness

Measurement and self-assessment

Instrumental Assessment

Data obtained using specific methods

Phototrichogram

Hair density and cycle

SEM

Fiber surface

Dynamometer

Fiber elasticity

Sebumeter®

Sebum on the scalp

Gloss Parameter

Brightness of the fiber

Self-assessment test

The experience during use

Self-assessment questionnaire

Results reported by participants

The two assessments answer different questions and complement each other. One measures specific parameters, the other collects the experience during use.

Technology

TrichoScan®

TrichoScan® photographs and analyzes the scalp to count hair, measure its density, and distinguish those in the anagen phase (the active growth phase) from those in the telogen phase, the resting phase of the hair cycle.

Discover Hair Density

+20,4

hairs/cm²

in the anagen phase after 3 months*

-13,2

hair/cm²

in telogen phase after 3 months*

The scalp is photographed and analyzed before and after the treatment. TrichoScan® counts the hairs present in the analyzed area and evaluates their distribution across the different cycle phases. This way we can compare measurable data over time.

**Results obtained through instrumental measurement with TrichoScan® on a sample of 21 subjects who used the product for 84 consecutive days, as part of a randomized, double-blind, placebo-controlled clinical study.**

To measure effectiveness, each result requires a specific method.

To evaluate frizz control, treated and untreated strands are exposed to controlled high humidity conditions and compared over time. With Frizz Control, the test showed a 100% reduction in frizz for up to 2 hours, and a 66.7% reduction from 4 to 12 hours compared to the untreated control.*

*Ex vivo test performed on natural hair strands, treated with the combined use of Frizz Control Shampoo and Frizz Control Conditioner. The anti-frizz effect was evaluated up to 12 hours after treatment, under controlled conditions of high humidity and temperature, compared to untreated control strands.

Elasticity tells us how a damaged fiber responds mechanically. In the Hair Restructuring test, it is measured using a dynamometer, subjecting the fiber to controlled stress. The recorded increase was 11.9% after the first treatment and 16.6% after 12 treatments.*

*Ex vivo test conducted on natural hair strands, treated with the combined use of Frizz Control Shampoo and Frizz Control Conditioner. The anti-frizz effect was evaluated up to 12 hours after the treatment, under controlled conditions of high humidity and temperature, compared to untreated control strands.

Sebumeter® measures the sebum content present on the scalp surface. In the Oily Scalp test, measurements were taken immediately after the first application and then after 24, 48, and 72 hours without further washes, to track the sebum levels on the skin surface over time.*

*Instrumental assessment of scalp sebum content using Sebumeter® was conducted on 20 subjects with oily scalp, after 28 days of use of Oily Scalp Purifying Shampoo according to usage instructions.

Technology

SEM Analysis

Scanning electron microscopy, SEM, allows high-resolution observation of the hair surface. In the Hair Restructuring test, we analyzed damaged hair strands before treatment and after 1 and 12 treatments, to compare the fiber morphology over time.

Discover the routine

+11,9%

of elasticity after the first treatment*

+16,6%

of elasticity after 12 treatments*

100%

states that hair appears healthier and less damaged**

90%

notice stronger and more resilient hair**

The strands are analyzed at different times during the test. SEM allows comparing the fiber's surface morphology, while the dynamometer measures its elasticity. Two different methods for evaluating two different characteristics of damaged hair.

Test Note

*Ex vivo evaluation performed on strands of hair damaged by bleaching, treated with the combined use of Restructuring Shampoo and Restructuring Conditioner. The elasticity of the hair fiber was evaluated after 1 and 12 treatments; the surface morphology of the hair was analyzed using scanning electron microscopy (SEM).

**Self-assessment test conducted on 20 volunteers with damaged hair, after 28 days of combined use of Restructuring Shampoo and Restructuring Conditioner, according to the usage instructions.

Efficacy supported by clinical study

T0
Before starting
At the start of the study we analyzed the scalp with TrichoScan®, a tool that allows measuring how many hairs are present and how many are in the growth or resting phase.
T2
After 2 months
The first measurements with TrichoScan® already showed more hairs in the growth phase, fewer hairs in the resting phase, and an increase in density. The study then continued until the final evaluation.
T3
After 3 months
TrichoScan® detected +20.4 more hairs in the growth phase (anagen) per cm² and -13.2 fewer hairs nearing shedding (telogen) per cm². In other words, more hairs in the growth phase and fewer hairs nearing shedding.