DDL’s Blog: FormulationForum

Topical Drug Product Testing

See Dow Development Laboratories’ FormulationForum for blogs and articles on various topical drug product development topics of interest.

To Suspend or Not to Suspend

October 1, 2021

Suspending an API in a topical drug product can be an appropriate alternative to a dissolved API, and can lead to better product outcomes. The potential advantages associated with suspensions are sometimes overlooked when developing topical formulations.

Making pimple popping a thing of the past

August 30, 2021

Acneic skin can involve inflammation, comedones, excess sebum production and bacteria.

Ask a Formulator: What is the Purpose and Approach to Solubility Studies?

May 7, 2021

If you’re not part of the solution, you’re the precipitate: Solubility studies are an essential first step in topical formulation development. Read about the factors to consider when designing a solubility study for an API for use in a topical drug product.

Keeping the Bugs Away

May 5, 2021

Topical nonsterile Rx products are at risk for contamination. Inclusion of an appropriate preservative system and USP testing will ensure that the product is free of microbial contamination.