* The declared properties have been confirmed by instrumental tests: Improves the condition of the hair shaft (average 44%) - Statistically significant result
** A use test under dermatological control carried out on 21 people and instrumental test, demonstrated results with application of the product 1/2 times a day for 4 weeks
***A use test under dermatological control carried out on 20 people and instrumental test, demonstrated results with application of the product once a day for 4 weeks
**** A use test under dermatological control carried out on 20 people and instrumental test, demonstrated results with application of the product once a day for 4 weeks.