YOUZ TESTING CENTER

Guangdong Youzhi Testing Technology Co., Ltd.

Guangdong Youzhi Testing Technology Co., Ltd.is a professional cosmetics inspection and testing organization integrating high-end, high-energy, high-standard and high-efficiency. Obtained CMA China Metrology Certification, CNAS laboratory accreditation, non-special filing inspection agency qualification, established cosmetic sensory evaluation laboratory, human efficacy evaluation laboratory, animal substitution laboratory, microbiological research, cosmetics prohibited and restricted substance testing room, etc., At the same time, it has a professional and sophisticated cosmetics filing and regulatory team to provide the cosmetics industry with more professional, comprehensive, and high-quality testing and regulatory filing services.

We have a high-quality and experienced inspection and testing technology and management team, involving physical and chemical inspection, microbiological inspection, safety efficacy, packaging material testing, etc. The engineers of this team have more than 10 years of industry experience in the field of inspection and testing to ensure that the inspection of the entire cosmetics industry chain is more professional. The annual average number of registered products reaches more than 1,700, and the total number of registered non-special cosmetics exceeds 10,000.

QUALIFICATION CERTIFICATION
  • CMA
    certification
  • CNAS National
    Laboratory Accreditation
  • Non-special filing
    qualification
EVALUATE
  • BAWEI and Italy's RIGano laboratory S.r.l established a joint sensory evaluation laboratory

  • Distinguished expert-Italian sensory evaluation consultant Dr. Randall johnson conducts "Sensory Evaluation" special training.

  • Independent third-party testing agency of Bawei Sensory Evaluation Room of Guangdong Youzhi Testing Technology Co., Ltd.

SECURITY TESTING
In order to ensure the safety of cosmetic formulations, the quality safety test room can carry out human skin patch tests and animal substitution tests, including chicken embryo test, fish embryo test,Cell experiments, skin model tests, etc. are used to detect and evaluate the potential of the test substance to cause adverse human skin reactions.。

Patch test

Chicken embryo test

EFFECT TESTING
YOUZ testing center has set up a professional efficacy evaluation laboratory with human efficacy evaluation capabilities, which can provide customers with human efficacy evaluation reports, and can carry out laboratory methods and provide third-party efficacy evaluation reports. The efficacy evaluation experiments adopt constant temperature and humidity settings. , The temperature is controlled at 20-22 degrees Celsius, and the humidity is controlled at 40-60% to meet the needs of human body function evaluation and to ensure that the data results are accurate and reliable. At the same time, it is equipped with a professional VISIA tester, skin tester, UV transmittance analyzer in time Meet the needs of efficacy evaluation and testing.

Product Effect Testing

TEST ITEMS
  • Record inspection of domestic non-special use cosmetics (microbiological inspection, physical and chemical inspection).
  • Routine tests: lotion, cleansing oil (liquid, milk, ointment, cream), exfoliating gel, hair gel, hair gel (water), hair wax, lip gloss, lip oil, lipstick, conditioner, skin care lotion, skin care Gel, massage base oil, massage oil, massage essential oil, body wash, shampoo, shampoo, hand soap, facial cleanser, facial cleanser, lip balm, emollient oil, moisturizer cream, facial mask, etc.
  • Cosmetic antiseptic challenge test, antibacterial experiment, cosmetic efficacy test, safety test, sensory evaluation.
Microbiological index
Total number of colonies, molds and yeasts, heat-resistant coliforms, Staphylococcus aureus, Pseudomonas aeruginosa
Heavy metal
Mercury, arsenic, lead, cadmium
Efficacy test
Moisturizing, whitening, anti-aging, etc.
α-hydroxy acid
2-Hydroxybutyric acid, lactic acid, diphenyl glycolic acid, mandelic acid, citric acid, glycolic acid, hydroxyoctanoic acid, malic acid, glucuronic acid, tartaric acid
Antibiotic
Oxytetracycline dihydrate, chloramphenicol, metronidazole, tetracycline hydrochloride, doxycycline hydrochloride, minocycline hydrochloride, chlortetracycline hydrochloride
Anti-dandruff
Zinc pyrithione, piroctone ethanolamine salt, clomibazole, salicylic acid, ketoconazole
Sunscreen
Diethylhexylbutyramido triazone, diethylcarbamoxybenzoyl hexyl benzoate, titanium dioxide, benzophenone-2, benzylidene camphorsulfonic acid, zinc oxide, 4-methylbenzylidene camphor PABA ethylhexyl ester, butylmethoxydibenzoylmethane, ethylhexyl triazone, benzophenone-3, benzophenone-4 and benzophenone-5, methylene bis-benzotriazolyl Tetramethylbutylphenol, bis-ethylhexyloxyphenol methoxyphenyl triazine, octocrelin, p-aminobenzoic acid, isoamyl p-methoxycinnamate, ethylhexyl salicylate, methyl Ethylhexyl oxycinnamate, humosalate, phenylbenzimidazole sulfonic acid
Sex hormones
Diethylstilbestrol, methyltestosterone, testosterone, estriol, estradiol, estrone, progesterone
Other prohibited substances
Dioxane, hydroquinone, phenol, methanol, formaldehyde, preservative content detection
Content physical index
pH value, total active matter content, refractive index, active matter content, relative density, total solid content, total effective matter, effective matter content, foam
Sensory and morphological indicators
Appearance, cold resistance, heat resistance, aroma, centrifugal test, color, smell, texture
Product packaging characteristics test
Light aging test, simulated transportation test, compatibility test, coating heat resistance test, hose nozzle welding fastness test, hose end fastness test, middle beam core stroke torque test, drop test
Routine physical and chemical
Net content, acid value, peroxide value, acid-base test, moisture, refractive index, viscosity and flow properties, saponification value
Others
Preservative challenge test, ethanol content, diethylene glycol content, commonly used cosmetic preservatives content, antibacterial test, chicken embryo chorioallantoic membrane test, sun protection index SPF test (machine test), human patch test
EQUIPMENT SITE
  • 二噁烷含量检测 顶空气相色谱-质谱联用仪 气相色谱-质谱联用仪应用范围比较广泛。在有机化学研究中,用于有机合成、产品分析、有机合成中间产物监测;有机反应机理研究;聚合物裂解分析等。在食品和香料研究中,用于饮料、酒、烟草等成份分析;食品营养分析;化妆品成份分析。顶空气相色谱质谱联用仪主要分析有机成分的主要可以检测化妆品中易挥发有机醇烃化合物和气体如甲醇,二恶烷等。
  • 抗生素、氢醌、苯酚含量检测 液相色谱LC1260 1260 Infinity四元液相色谱系统更快速、更高分离度和超高灵敏度实现更高的工作效率。流量最高5mL/min,600bar的分析能力,检测器速率80Hz,DAD检测器,自动进样器满足多方面的测试要求。
  • 重金属含量检测 原子荧光光谱仪 双道可同时测定双元素,适用于As.Pb.Sb.Bi.Hg.Se.Te.Sn.Ge.Zn.Cd等元素的痕量监测具备氢化物发生原子荧光测量产生的尾气中有害元素的捕集阱装置,自动进行测量废气捕集净化,以防二次环境污染。独创的用于原子荧光的双光束双检测器结构,实时监控光源的漂移和波动,提高仪器的可靠性和稳定性。化妆品检验纺织纤维样品检测教学研究。
  • 原料成分鉴定 傅立叶红外检测仪 傅里叶变换红外光谱仪具有理想性能,是产品质量保证测试和材料分析的最佳工具。非常适于质量控制实验室或需要快速分析材料的 任何场景,可表现极佳性能。 可轻易进行原材料、污染物和混合物分析该 光谱仪继承了 Thermo Scientific Nicolet 傅里叶变换红外光谱仪 被广泛认可并信赖的经典技术,提供最大的结果可信度和可靠性。
  • PH值测试 PHS-25 型实验室PH计 采用PHS-25 实验室pH计和E201C型复合电极,大屏幕液晶显示,手动温度补偿,一点或二点校准,具有高效稳定、反应快、精准等特点。
  • SPF防晒值测试 紫外线透过率分析仪UV2000S 采用最新的光学、电子元件及软件技术,来获得太阳防护产品精确的生物体外SPF/UVA防护指数分析指标。
  • VISIA面部分析仪 VISIA面部图像分析仪 美国Canfield公司推出专业的面部图像拍照及分析系统VISIA。采用标准光、UV光、偏振光的多光源高清拍照,极大地提高了分析皮肤的可视程度。一个拍摄过程可以得到8张分析图片,对皮肤的多种问题进行全方位分析。
  • 多功能皮肤测试仪 皮肤测试系统MPA580 MPA580系统是德国CK公司的一个多功能测试系统。可连接一个油脂测试探头和6个皮肤测试探头。
  • 粒径测试 LS-POP(9)激光粒度仪 利用颗粒对光的散射现象,根据散射光能的分布推算被测颗粒的粒度分布。采用水平直线光路布置,无反射棱镜,光路结构稳定可靠,双选择进样器,能有效应付不同类型样品,测试范围0.1~750um,输出数据:粒度分布表、粒度分布曲线、平均粒径、中位径、比表面积等。
  • 原料密度测试 奥地利安东帕DMA4500M台式密度计 测量准确度: 0.00005 g/cm3,、测试操作简单,结果快速精准。进样自动检测功能,提醒操作者并自动保存错误报告。U形管可视功能U-View:直接观察整个U型管荡管的实时图像并保存实时图像。
  • 原料水分含量测试 MA35 水分仪 实验室对原料水分测试采用的是MA35水分仪,它采用的红外暗热管,均匀加热样品,全自动终点识别功能,可读性0.01%,传感器精度1mg,具有安全、稳定、快速、精准等特点。
BUSINESS COOPERATION
RANGE
PROCESS

For routine inspection of cosmetics, please fill in our "Entrusted Testing Agreement", and the application form will be sent with the samples for inspection. For non-special filing inspections, please fill in the actual product information and testing items in the national "Cosmetics Registration and Filing Inspection Information Management System", and select the inspection agency as "Guangdong Youzhi Testing Technology Co., Ltd."

Precise service   ●   Rigorous and fair   ●   Standard science
Phone number:020-66649934
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