Heavy Metals in Cosmetics Limits Heavy metals in cosmetics limits are regulated or guided by multiple jurisdictions, including the United States and the European Union. While some metals may occur as trace impurities, excessive levels can present safety and regulatory concerns.
Closed Cup vs Open Cup Flash Point: What’s the Difference? Understanding closed cup vs open cup flash point testing is essential when classifying flammable materials, preparing SDS documents, and ensuring transport compliance. Although both methods measure flash point, they simulate very
ΔE in stability testing refers to the measurable color difference between a product’s baseline appearance (T0) and subsequent timepoints during a stability study. Rather than relying only on visual observation, ΔE quantifies how much a product’s color has changed over time.
Camera Based Stability Testing at Pentyl Labs Camera based stability testing enhances traditional visual stability studies by turning appearance changes into measurable, trendable data. Instead of relying only on subjective observation, Pentyl Labs performs controlled digital imaging to quantify color shift,
Cosmetic Claims Testing Cosmetic claims testing is essential for beauty, personal care, and oral care brands that want to make truthful, defensible product claims. At Pentyl Labs, we provide cosmetic claims testing and claim substantiation services that help brands support statements
Authenticity testing helps ensure that the ingredients and finished products you receive are exactly what your supplier claims. Pentyl Labs performs fast, reliable authenticity analyses to verify product identity, detect adulteration, and protect your brand from mislabeled or inconsistent materials. What
Understanding the flash point testing importance is essential for companies that manufacture, store, or transport liquids and semisolids. From the start, flash point data influences safety decisions, regulatory classifications, and compliance obligations. Because of this, manufacturers must understand how flash point
Selecting the correct flash point test methods is essential for accurate flammability classification, product safety, and global regulatory compliance. ASTM D93, D92, D56, and D3828 are the most widely used standards, and each method is designed for specific material types, temperature
Preservative Efficacy Testing (PET), also called a challenge test, checks how well a product resists microbial growth. This testing focuses on bacteria, yeast, and mold. It applies after the product is opened or contaminated. Water-based products support microbial growth easily. Because
Gluten free testing verifies that a product does not contain gluten above established regulatory limits. Manufacturers rely on this analysis to support product labeling, allergen control programs, and consumer safety. This testing is especially important for products intended for individuals with
