alexa The Novel Excipient, Dodecyl-2-N, N-dimethylaminopropio
ISSN: 2167-0951

Hair Therapy & Transplantation
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Research Article

The Novel Excipient, Dodecyl-2-N, N-dimethylaminopropionate Hydrochloride (DDAIP-HCl) Improves the Flux of Minoxidil in Human Skin

Salma Debar*, Susan Meier-Davis, Richard Martin and Bassam Damaj

NexMed Inc, San Diego, USA

Corresponding Author:
S. Debar
c/o NexMed Inc., 11975 El Camino Real
Suite 300, San Diego, CA 92130, USA
Tel: 858-222-8041
Fax: 858-587-2131
E-mail: [email protected]

Received Date: October 29, 2012; Accepted Date: November 22, 2012; Published Date: November 28, 2012

Citation: Debar S, Meier-Davis S, Martin R, Damaj B (2012) The Novel Excipient, Dodecyl-2-N, N-dimethylaminopropionate Hydrochloride (DDAIP-HCl) Improves the Flux of Minoxidil in Human Skin. Hair Ther Transplant 2:105. doi:10.4172/2167-0951.1000105

Copyright: © 2012 Debar S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Transdermal delivery of topically applied compounds is limited by the stratum corneum (SC) protective barrier. Penetration enhancers have been employed to perturb the skin barrier and enhance the transdermal flux of drugs. The novel excipient, dodecyl-2-N, N-dimethylaminopropionate hydrochloride (DDAIP-HCl), was evaluated for penetration activity of minoxidil in human cadaver skin. Minoxidil skin flux through human cadaver skin mounted on Franz cells was investigated with and without the presence of DDAIP-HCl. Enhanced minoxidil permeation levels were observed with DDAIP-HCl at concentrations of 0.05% and 0.5% through human cadaver skin relative to the formulation of the marketed hair loss product Rogaine® (5% minoxidil) over a 24-hour period. Increased minoxidil penetration may lead to a better efficacy and clinical response in the treatment of male pattern hair loss or Androgenetic alopecia.


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