Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile
INTRODUCTION Active ingredients are often assessed by instrumental methods, including in vitro, ex vivo and in vivo testing. Although in vitro and ex vivo methods can be used to determine mechanisms of efficiency, in vivo clinical studies aim to analyse the effect of an ingredient by replicating key parts of the product use cycle. Several methods can be used to evaluate physiological skin parameters and the effects of application of an active ingredient.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
