Restricted Substances Analysis

The identification of various ingredients and the checking of restricted substances in cosmetic products directly determines the quality and safety of cosmetic products.

Protheragen-ING understands the importance of ensuring the safety and compliance of cosmetic products and specializes in providing comprehensive analytical services to identify and quantify restricted substances in cosmetic products in order to meet regulatory requirements and industry standards.

Our Testing Services

Protheragen-ING offers a wide range of testing services to help address the complexity of cosmetic regulations and to ensure that cosmetic products comply with local and international regulatory requirements.

Restricted Substances Analysis.

Test Items

Protheragen-ING has the ability to test a wide range of cosmetic types, such as vitamins, preservatives, sunscreens, hormones, colors, antioxidants, dyes, etc. in cosmetics.

Our specific testing programs are listed below.

e.g. Prednisolone, Hydrocortisone, etc.

Examples include acne-fighting antibiotics (memantine hydrochloride, etc.), quinolone antibiotics (enrofloxacin, etc.)

e.g. estriol, etc.

e.g. dimethyl phthalate, dibutyl phthalate, etc.

P-phenylenediamine, etc.

e.g. Alkaline Orange, etc.

Restricted Substances Test Platforms.

Test Platforms

Liquid Chromatography

Liquid chromatography has been widely used for the detection of organics in cosmetics because of its wide detection range, high separation efficiency and strong automation.

Liquid-Mass Spectrometry

Liquid Chromatography-Mass Spectrometry (LC-MS) has the ability to resist contamination and has excellent sensitivity and selectivity, which enables the detection of hormones, antibiotics, pollutants and other allergens in cosmetics.

Gas Chromatography

Gas Chromatography/Triple Quadrupole (GC/QQQ) provides a powerful tool for cosmetic testing with excellent sensitivity, ultra-fast scanning speed, and easy MS/MS functionality to meet the most demanding qualitative and quantitative analysis requirements.

Atomic Spectroscopy

Inductively Coupled Plasma Mass Spectrometry (ICP-MS) is increasingly becoming the best choice for elemental analysis in cosmetics due to its high sensitivity, low detection limit, low interference, rapid multi-element simultaneous detection, and qualitative and semi-quantitative features.

Protheragen-ING is committed to helping you ensure the safety and compliance of your cosmetics. Please contact us today to discuss your specific testing needs. We will respond within 2-4 working days.


Daily: 9.30 AM–6.00 PM
Sunday : 9.30 AM–1.00 PM
Holidays: Closed

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