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Глобальный специалист в области здоровья волос

REDENHAIR EFFICIENCY TREATMENT STUDY PAGE

HAIR NUTRITION SUPPLEMENT & HAIR REGENERATOR SERUM FORTE

DESIGN OF THE STUDY

The goal of the study was to assess the efficacy of the treatment for hair care with two Redenhair products that, combined, significantly reduce hair loss while stimulating growth.: HAIR NUTRITION SUPPLEMENTHAIR REGENERATOR SERUM FORTE.

To achieve this goal, a clinical-instrumental study was developed on 30 healthy male subjects suffering from type I to III alopecia, according to the Hamilton-Norwood scale. The product's efficacy was evaluated by means of a phototrichogram, clinical evaluation and a self-assessment developed by the subjects who participated in the study.

The tested products were applied as follows:

HAIR REGENERATOR SERUM FORTE:application of two pipettes each day on the scalp, massaging gently. After application, subjects were instructed not to wash their hair.

HAIR NUTRITION SUPPLEMENT: subjects were instructed to take two capsules daily with a glass of water, at mealtimes, not exceeding the recommended dosage.

Subjects who participated in the study

The subjects participating in the study had androgenic alopecia from types I to III, according to the Hamilton-Norwood scale, remained under the supervision of a dermatologist certified by the board, formed by a panel of healthy male volunteers, in compliance with several inclusion and non-inclusion criteria.

MATERIALS AND METHODS

Phototrichogram

The images were taken on day 0, immediately after cutting the hair, and 2 days after trimming. These two photographs were examined by means of a software system that could recognise the individual fibres of the hair in the photographs. When comparing two images, the software could determine what hairs were growing (anagen phase) and which ones were not (telogen phase). They also evaluated hair density, and the total number of hairs per cm2.

General hair volume and overall hair appearance 

The dermatologist evaluated the total hair volume and the general appearance of the hair, following the clinical punctuation scales listed on the following table:

The changes in the general hair volume during the clinical study were evaluated by the dermatologists using digital imaging. 

Digital pictures

Digital pictures were taken, under standard lighting conditions, using a NIKON D300 professional digital camera with a macro lens, an independent flash system, and crossed and parallel polarised filters. Four images were taken of each of the subjects participating in the study.

Self-assessment questionnaire

The subjects were asked to express their opinions on the tested product by means of a self-assessment questionnaire.

RESULTS

The results were reported in tables using the relevant units, the mean values, errors, and percentages of the subjects were calculated through different formulas. 

  1.     Phototrichogram results

2. Results of the clinical evaluation - volume and general appearance of the hair

3. Self-assessment results

CONCLUSIONS

According to these results, it is possible to conclude that REDENHAIR HAIR REGENERATOR SÉRUM FORTE, the anti-hair-loss hair toner, and REDENHAIR HAIR NUTRITION SUPPLEMENT, the food supplements that stimulate hair growth, showed:

- An increase (+10.9% [n = +22.9 hair] vs. T0) in the percentage of hair in anagen level and a drop (-10.9% [n = -19.3 hair] vs. T0) in the percentage of hair in telogen phase, after three months.

- An improvement of hair conditions. Hair volume improved in 10.0%, 46.7% and 66.7% of the subjects, after applying the products during one, two, and three months, respectively. The general hair appearance improved in 20.0%, 56.7% and 63.3% of the subjects, after applying the products during one, two, and three months, respectively.

The treatment was positively assessed by most individuals participating in the study. For each item on the questionnaire, the percentage of subjects responding positively amounted to at least 80%.

Both products used in this study were well-tolerated by the participants.


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