The Citruslabs blog covers all things clinical trial patient recruitment and retention as well as exciting news and developments in the medical research industry. Browse our recent posts or search for a topic you're interested in to learn more.
For brands developing topical products like skincare, cosmetics, or personal care items, understanding how a formulation interacts with human skin is essential. Consumers expect products to be safe and non-irritating, and regulators expect brands to substantiate those expectations. One of the most widely used tools for evaluating skin compatibility is Repeat Insult Patch Testing (RIPT). Repeat Insult Patch Testing (RIPT) is a clinical study that evaluates whether a topical pr
Cosmetic brands rely on ingredients to deliver results, but every ingredient also needs to be evaluated for safety, stability, and compatibility within a formula. This is where cosmetic ingredient testing becomes essential. For founders, formulators, and regulatory teams, ingredient testing helps answer an important question early in product development: Is this ingredient safe and appropriate for use in a cosmetic product? Understanding how ingredient testing works helps bra
Clinical trials are the gold standard for validating the safety and efficacy of skincare products and dietary supplements. Within this landscape, the crossover study design stands out for its unique ability to minimize variability and optimize study efficiency. In this blog post, we’ll explore what a crossover study is, how it works, and why it's particularly valuable for brands in the skincare and supplement industries. What is a Crossover Study? A crossover study is a type