First of all, for the quality of cosmetic effect, the testing laboratory needs to use special instruments to test, such as moisture retention, viscosity of lotion cream products, particle diameter, microbial indicators, pH value, etc.

The items for cosmetic testing include:

Total number of colonies, total number of molds and yeast, fecal coliform, Staphylococcus aureus, mercury, arsenic, lead, methanol α- 5 hydroxyacids (tartaric acid, etc.), 6 antibiotics (chloramphenicol hydrochloride, etc.), 4 metronidazole and dandruff removers (salicylic acid, etc.), 15 sunscreen agents (phenylbenzimidazole sulfonic acid, etc.), dioxane, acrylamide, diethylene glycol, etc.

Microbial indicators for cosmetic testing:

Microbial testing and antibacterial and preservative efficacy testing, including total number of colonies, fecal coliform, total number of molds and yeast, Staphylococcus aureus, and Pseudomonas aeruginosa.

Cosmetic testing risk substance control testing:

Lead, arsenic, mercury, methanol, formaldehyde, dioxane, preservatives, hydroquinones α- Hydroxyl acids, phenols, hormones, fluorescent whitening agents, pesticide residues, etc.

Sensory and physicochemical indicators for cosmetic testing:

Appearance, odor, stability, pH value, active substances, effective substances, etc.