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Last Updated: 08/05/2026
An-eX Analytical Services
Cardiff
Founded 1988
In vitro skin penetration and dermal absorption contract research
An-eX Analytical Services is an independent contract research organisation specialising in in vitro dermal absorption and skin penetration science.
The company provides human skin penetration and permeation studies conducted to OECD 428 and related guidelines, alongside in vitro release testing, analytical method development using UHPLC and GC-MS, and topical and transdermal formulation development.
An-eX serves pharmaceutical, cosmetic, personal care, and chemical industry clients globally, from early development through to safety assessment and patent litigation support.