Cosmetics Analysis And Testing

(1) Product type: skin care (cream, lotion, make-up water, essence, facial mask, eye cream), cleaning (facial cleanser, bath gel, soap, makeup remover), color cosmetics (lipstick, foundation make-up, eye shadow, eye black, powder blusher), hair care (shampoo, conditioner, hair mask, gel), sunscreen, perfume, infant cosmetics, special cosmetics (whitening, spot removal, acne removal, anti shedding, hair dyeing, perm).

(2) Applicable scenarios: raw material acceptance, formula research and development, production quality control, factory inspection, filing and declaration, market sampling, toxicological safety evaluation, label identification review, arbitration testing.

(1) Sensory and physicochemical indicators
Appearance, color, odor, viscosity, pH value, density, relative density, turbidity, transparency, solid content, moisture and volatile matter, heat stability, cold stability, centrifugal stability.

(2) Sanitary chemical indicators
Heavy metals such as lead, arsenic, mercury, cadmium, chromium, antimony, etc; Methanol, ethanol, formaldehyde, acetaldehyde, and dioxane; Phenol, hydroquinone, preservatives, sunscreen, coloring agents, hair dye, and perm agent content.

(3) Functional ingredient testing
Qualitative and quantitative analysis of active ingredients such as vitamins, amino acids, collagen, hyaluronic acid, niacinamide, arbutin, fruit acid, ceramides, and plant extracts.

(4) Microbial limit index
Total number of bacteria, mold, and yeast;
Prohibited pathogenic bacteria: Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Salmonella, Streptococcus pyogenes.

(5) Toxicology and safety evaluation
Acute oral toxicity, acute skin irritation, eye irritation, skin hypersensitivity (sensitization), phototoxicity, skin corrosiveness, repeated skin irritation test.