New multi-targeting strategy in hair growth promotion: in vitro and in vivo studies

Giornale Italiano Di Dermatologia E Venereologia : Organo Ufficiale, Società Italiana Di Dermatologia E Sifilografia
Barbara MarzaniFabio Rinaldi

Abstract

Considering the importance of hair in our modern society and the impact of hair loss, the efforts of researchers are addressed to better understand the mechanisms behind the hair cycle regulation and dysregulation. Because hair loss is multifactorial, differenced and new approaches are required. In particular we addressed our attention to two recently identified targets in hair cycling and growth control: olfactory receptor and autophagy. The aim of the study was to evaluate: the possible pro-autophagic effect of N1-methylspermidine (a spermidine analogue) in vitro and, in a double blind clinical trial, the safety and efficacy of topical daily application of a lotion containing N1-methylspermidine and Sandalore®. Autophagic modulation by N1-methylspermidine was monitored in vitro by LC3 and p62 fluorescent signal cell line. Topical daily application of the lotion was tested in 60 male and female subjects with chronic telogen effluvium by means of non-invasive objective evaluation. The results obtained by in vitro tests showed the capacity of N1-methylspermidine to increase autophagic process while the clinical trials performed confirmed the safety and anti hair loss efficacy of the lotion reporting a reduction of hair loss (mod...Continue Reading

Citations

Oct 17, 2020·Clinical, Cosmetic and Investigational Dermatology·Muhammed MajeedKalpesh Shah

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