Cosmetics

Cosmetic product development and regulation.

Challenge Testing — Preservative Efficacy for Cosmetic Products

How challenge testing evaluates whether a cosmetic formulation resists microbial contamination over its shelf life.

Cosmetic Claims Substantiation — Testing Requirements for Efficacy Claims

What evidence is expected to substantiate common cosmetic efficacy claims.

Cosmetic GMP — ISO 22716 Requirements Overview

What ISO 22716 requires for cosmetic Good Manufacturing Practice, and how it compares to pharma GMP.

Cosmetic Ingredient Labeling — INCI Nomenclature Requirements

How INCI nomenclature works and what labeling rules apply to cosmetic ingredient lists.

Cosmetic Product Safety Report — EU Regulation 1223/2009 Requirements

What a Cosmetic Product Safety Report must cover under EU Regulation 1223/2009.

Cosmetic Stability Testing — Method and Design Considerations

How stability testing for cosmetic products is designed, distinct from pharmaceutical stability programs.

Microbial Testing for Cosmetics — ISO 17516 Limits Overview

What ISO 17516 sets as microbial limits for cosmetic products, by product category.

Natural and Organic Cosmetic Certification — Standards Comparison (COSMOS, NATRUE)

How the COSMOS and NATRUE natural/organic cosmetic certification standards compare.

Preservative Systems — Selection for Cosmetic Formulations

How preservative systems are selected for cosmetic formulations based on formulation type and regulation.

Sunscreen Testing — SPF Determination Method Overview

How SPF is determined through in vivo and in vitro testing methods for sunscreen products.