In the world of cosmetics, safety extends far beyond attractive packaging and innovative formulas. Behind every bottle of face cream or jar of body butter is a scientific process that ensures what you put on your skin is clean, stable, and safe. An essential part of this process is Preservative Efficacy Testing (PET)—also known...
When we think of cosmetics, we often focus on color, texture, fragrance, or how a product feels on the skin. But behind every safe and effective cosmetic product lies a rigorous process of safety testing, one of the most important being cosmetic microbiological testing. This essential step ensures that beauty products are not only high-quality...
Cosmetic innovation is exciting, but without scientific evidence that your product remains stable, safe, and effective over time, your formulation can become a liability rather than a success. This is where cosmetics stability testing becomes important. From supporting regulatory compliance to protecting your brand reputation, cosmetics stability testing ensures that your product maintains its physical,...
Sunscreen products are “any preparation (such as creams, oils, gels, sprays) intended to be placed in contact with the human skin with a view exclusively or mainly to protecting it from UV radiation by absorbing, scattering or reflecting radiation” and they fall within the scope of the EU Cosmetics Regulation. To ensure sunscreen products’ safety...
The term “hypoallergenic” is not strictly defined by many regulatory bodies, but it generally implies that a product is formulated to minimize the risk of allergic reactions. Unlike terms like “dermatologically tested” or “clinically proven,” which have clearer scientific implications, “hypoallergenic” is often used more loosely in marketing. However, for brands that want to make...
Dermatological testing is a vital practice in the cosmetic industry that ensures product safety and efficacy. Understanding the regulatory framework and the claims that can be made based on testing outcomes is essential for manufacturers aiming to comply with international standards and provide safe products to consumers. Dermatological testing involves evaluating the effects of cosmetic...
In the competitive world of cosmetics, consumers increasingly seek products that not only enhance their appearance but also deliver on promised benefits. To meet these expectations and comply with regulatory standards, efficacy testing has become a crucial element in the development and marketing of cosmetic products within the European Union. Efficacy testing evaluates the ability...
Heavy metals, such as Pb (lead), As (arsenic), Cd (cadmium), Hg (mercury), and Sb (antimony), which have a density greater than 5 g/cm3 and exhibit metallic properties, can pose significant health risks if present in cosmetics. These toxic substances can have adverse effects on human health, including skin irritation, allergic reactions, and long-term health issues...
Stability test helps ensure that a cosmetics maintains its intended physical, chemical, and microbiological properties over time. This process verifies that factors like appearance, color, odor, viscosity, and pH remain consistent, and that the product’s efficacy and safety are not compromised under various storage conditions. Guidelines and Standards for Stability Testing The Cosmetic Guidelines on...
Challenge test (Preservative Efficacy Test) is a procedure used to assess the effectiveness of preservatives in cosmetic and personal care products. The primary purpose of this test is to evaluate the ability of preservatives to prevent microbial contamination and growth in the product over time. Microbial contamination can lead to product spoilage, reduced shelf life,...
