{"id":4434,"date":"2025-03-24T12:29:03","date_gmt":"2025-03-24T12:29:03","guid":{"rendered":"https:\/\/mpr-labs.com\/?page_id=4434"},"modified":"2025-04-17T12:57:01","modified_gmt":"2025-04-17T12:57:01","slug":"physico-chemical-tests","status":"publish","type":"page","link":"https:\/\/mpr-labs.com\/en\/badania-fizykochemiczne\/","title":{"rendered":"Physico-chemical tests"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4434\" class=\"elementor elementor-4434\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6572caea elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6572caea\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6ce374eb\" data-id=\"6ce374eb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c3d50a3 elementor-widget elementor-widget-text-editor\" data-id=\"2c3d50a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span id=\"docs-internal-guid-21bfb57c-7fff-ae7b-1b19-3d2352e463b8\"><span style=\"font-size: 11pt; font-family: Arial, sans-serif; color: #000000; background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; font-variant-emoji: normal; vertical-align: baseline; white-space-collapse: preserve;\">For cosmetics to be safe and effective, they must undergo thorough <\/span><span style=\"font-size: 11pt; font-family: Arial, sans-serif; color: #000000; background-color: transparent; font-weight: bold; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; font-variant-emoji: normal; vertical-align: baseline; white-space-collapse: preserve;\">physico-chemical tests<\/span><span style=\"font-size: 11pt; font-family: Arial, sans-serif; color: #000000; background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; font-variant-emoji: normal; vertical-align: baseline; white-space-collapse: preserve;\">. These analyses make it possible to assess the stability, consistency and compliance of the product with the declared specification. The MPR LABS laboratory specialises in complex <\/span><span style=\"font-size: 11pt; font-family: Arial, sans-serif; color: #000000; background-color: transparent; font-weight: bold; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; font-variant-emoji: normal; vertical-align: baseline; white-space-collapse: preserve;\">physico-chemical testing of cosmetic products<\/span><span style=\"font-size: 11pt; font-family: Arial, sans-serif; color: #000000; background-color: transparent; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-variant-position: normal; font-variant-emoji: normal; vertical-align: baseline; white-space-collapse: preserve;\">, providing precise results that help manufacturers meet market and regulatory requirements.<\/span><\/span><\/p><h2>What does the physico-chemical testing of cosmetics cover?<\/h2><p><b>Physico-chemical analyses of cosmetics<\/b><span style=\"font-weight: 400;\"> is a set of tests that determine the physical and chemical properties of a product. These include, but are not limited to:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Measurement of pH - key to assessing cosmetic compatibility with skin and mucous membranes,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Density and viscosity analysis - allows the consistency and stability of the preparation to be determined,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Organoleptic tests - including evaluation of aroma, colour and texture,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Water activity test (AW) - important for product shelf life and risk of microbial growth,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stability and compatibility of the mass with the packaging - helps to determine whether the product degrades during the shelf life.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Each <\/span><b>physico-chemical analysis<\/b><span style=\"font-weight: 400;\"> is carried out with the utmost precision and the results make it possible to assess the durability and effectiveness of the cosmetic over its entire lifetime.<\/span><\/p><h2>Physical and chemical laboratory - advanced technology and precision<\/h2><p><span style=\"font-weight: 400;\">Laboratory <\/span><a href=\"https:\/\/mpr-labs.com\/\"><span style=\"font-weight: 400;\">MPR-LABS<\/span><\/a><span style=\"font-weight: 400;\"> is equipped with state-of-the-art measuring equipment that allows accurate <\/span><b>physico-chemical testing of cosmetic products<\/b><span style=\"font-weight: 400;\">. Our team of experts ensures that each analysis complies with current industry standards and legislation.<\/span><\/p><p><span style=\"font-weight: 400;\">In addition to the standard <\/span><b>physical and chemical tests<\/b><span style=\"font-weight: 400;\">We also often perform <\/span><a href=\"https:\/\/mpr-labs.com\/badania-mikrobiologiczne\/\"><b>microbiological tests<\/b><\/a><span style=\"font-weight: 400;\">The tests are used to assess the purity of the product and the effectiveness of the preservatives used. Only a comprehensive approach to cosmetic testing guarantees that the final product meets the highest quality standards.<\/span><\/p><h2>When should physico-chemical testing of cosmetics be carried out?<\/h2><p><b>Physico-chemical analyses<\/b><span style=\"font-weight: 400;\"> are essential in the various stages of cosmetics production:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">during the new formulation development phase - to assess the stability and physical properties of the product,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">before the cosmetic is placed on the market - to meet regulatory requirements,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">during series production - to ensure quality repeatability,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">during durability testing - to determine <\/span><b>shelf life after opening (PAO)<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">Our specialists provide detailed reports to help manufacturers make decisions on final product parameters.<\/span><\/p><p><span style=\"font-weight: 400;\">Precise <\/span><b>physico-chemical tests<\/b><span style=\"font-weight: 400;\"> is the foundation of quality and safety for every cosmetic. Contact our laboratory to find out how we can help you analyse your products - visit<\/span><a href=\"https:\/\/mprlabs.com\"> <span style=\"font-weight: 400;\">MPRlabs.com<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ef0ea8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ef0ea8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fc07db6\" data-id=\"fc07db6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f70e9a6 elementor-widget elementor-widget-accordion\" data-id=\"f70e9a6\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2591\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2591\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What does the physicochemistry of a cosmetic include?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2591\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2591\"><p>Cosmetic physicochemistry is a field that studies the physical and chemical properties of cosmetic ingredients and the product itself. This includes characteristics such as viscosity, pH, solubility, stability and behaviour of the cosmetic when exposed to different conditions.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2592\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2592\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the viscosity determination of a cosmetic?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2592\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2592\"><p>Determining the viscosity of a cosmetic involves measuring the resistance of a liquid to flow. Viscosity affects the consistency of a cosmetic product, which is important for products such as creams, lotions, gels or shampoos.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2593\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2593\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the significance of a cosmetic density label?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2593\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2593\"><p>Determining the density of a cosmetic allows the mass-to-volume ratio of the product to be determined. It is an important parameter that influences how a cosmetic is applied and can be important in determining its chemical composition and formulation.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2594\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2594\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Why is it important to determine the pH of a cosmetic?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2594\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2594\"><p>Determining the pH of a cosmetic is important because the pH affects the stability and effectiveness of a product, as well as the safety of its use. Skin care products should have a pH appropriate to the natural reaction of the skin to prevent irritation.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2595\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-2595\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is HPLC and how is it applied to cosmetics?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2595\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-2595\"><p>HPLC (High Performance Liquid Chromatography) is an analytical technique for the separation and analysis of chemical ingredients in cosmetics. It is used for the identification, quantification of active ingredients and quality control of cosmetic raw materials.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2596\" class=\"elementor-tab-title\" data-tab=\"6\" role=\"button\" aria-controls=\"elementor-tab-content-2596\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is LC-MS and how is it used in cosmetics?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2596\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"6\" role=\"region\" aria-labelledby=\"elementor-tab-title-2596\"><p>LC-MS (Liquid Chromatography-Mass Spectrometry) is an advanced analytical technique that combines liquid chromatography with mass spectrometry. It is used in cosmetics to analyse chemical components, detect impurities and monitor product quality.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2597\" class=\"elementor-tab-title\" data-tab=\"7\" role=\"button\" aria-controls=\"elementor-tab-content-2597\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the DPPH (anti-radical) test in cosmetics?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2597\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"7\" role=\"region\" aria-labelledby=\"elementor-tab-title-2597\"><p>The DPPH (2,2-diphenylpicrylhydrazyl) test is a method of assessing a cosmetic's ability to neutralise free radicals. It helps determine whether a product has antioxidant properties, which can protect the skin from oxidative stress and premature ageing.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2598\" class=\"elementor-tab-title\" data-tab=\"8\" role=\"button\" aria-controls=\"elementor-tab-content-2598\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the ABTS (anti-radicals) test in cosmetics?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2598\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"8\" role=\"region\" aria-labelledby=\"elementor-tab-title-2598\"><p>The ABTS (2,2\u2032-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) test is used to assess a cosmetic's ability to neutralise free radicals. This test measures the antioxidant activity of cosmetics, helping to assess their potential to protect the skin from oxidative stress.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-2599\" class=\"elementor-tab-title\" data-tab=\"9\" role=\"button\" aria-controls=\"elementor-tab-content-2599\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What is the importance of controlling heavy metals in cosmetics?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-2599\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"9\" role=\"region\" aria-labelledby=\"elementor-tab-title-2599\">Controlling heavy metals in cosmetics is important because some of them, such as lead, arsenic or cadmium, can be toxic and cause serious health problems. Therefore, cosmetics must be tested for the presence of these substances within acceptable standards.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-25910\" class=\"elementor-tab-title\" data-tab=\"10\" role=\"button\" aria-controls=\"elementor-tab-content-25910\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What does the peroxide number in a cosmetic mean?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-25910\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"10\" role=\"region\" aria-labelledby=\"elementor-tab-title-25910\"><p>The peroxide number is a measure of the presence of peroxides in a cosmetic, which can affect its stability. Peroxides can cause oxidation of cosmetic ingredients, leading to deterioration of the product and its properties.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-25911\" class=\"elementor-tab-title\" data-tab=\"11\" role=\"button\" aria-controls=\"elementor-tab-content-25911\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What does ISO 3960:2017 regulate?<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t<div id=\"elementor-tab-content-25911\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"11\" role=\"region\" aria-labelledby=\"elementor-tab-title-25911\"><p>ISO 3960:2017 deals with methods for measuring the peroxide number in fats and oils, including those used in cosmetics. The peroxide number measures the amount of peroxides that can affect the quality and stability of cosmetics, especially in the context of their oxidation.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Aby kosmetyki by\u0142y bezpieczne i skuteczne, musz\u0105 przej\u015b\u0107 dok\u0142adne badania fizykochemiczne. Te analizy pozwalaj\u0105 oceni\u0107 stabilno\u015b\u0107, konsystencj\u0119 oraz zgodno\u015b\u0107 produktu z deklarowan\u0105 specyfikacj\u0105. Laboratorium MPR LABS specjalizuje si\u0119 w kompleksowych badaniach fizykochemicznych wyrob\u00f3w kosmetycznych, zapewniaj\u0105c precyzyjne wyniki, kt\u00f3re pomagaj\u0105 producentom spe\u0142ni\u0107 wymagania rynkowe i regulacyjne. Co obejmuj\u0105 badania fizykochemiczne kosmetyk\u00f3w? Analizy fizykochemiczne kosmetyk\u00f3w to zestaw [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3566,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/service-single.php","meta":{"footnotes":""},"class_list":["post-4434","page","type-page","status-publish","format-standard","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Badania fizykochemiczne kosmetyk\u00f3w | MPR Labs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mpr-labs.com\/en\/physico-chemical-tests\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Badania fizykochemiczne kosmetyk\u00f3w | MPR Labs\" \/>\n<meta property=\"og:description\" content=\"Aby kosmetyki by\u0142y bezpieczne i skuteczne, musz\u0105 przej\u015b\u0107 dok\u0142adne badania fizykochemiczne. 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