Cosmetic actives, preservatives, microbiology, and stability.
Heavy metals are not cosmetic ingredients, but they arrive as trace contaminants of raw materials, especially pigments. Here is where they come from, how ICP-MS measures them, and how limits are set.
Read article →Substantiating "SPF 30" is not one measurement but a mix of in-vivo performance testing and analytical chemistry. Here is what actually stands behind a sunscreen label claim.
Read article →From active-ingredient claims to microbial safety and stability, cosmetic testing spans chemistry and microbiology. A complete guide to what a personal-care product needs before it ships.
Read article →Before a cream ships, its preservative system faces a deliberate microbial assault. Here is how the challenge test (USP ) works and what a passing result proves.
Read article →Talk to our scientific services team about the right testing panel for your product and market.
