Cosmetic Safety & Toxicological Testing Clinical, Efficacy, and Mechanistic Studies Purity & Stability Testing Skin Irritation and Sensitization (OECD 404, LLNA) Eye Irritation and Corrosion (BCOP, ICE) Phototoxicity and Photoallergenicity Acute and Repeated Dose Toxicity Mutagenicity and Genotoxicity (Ames test, Micronucleus) Dermal Absorption Studies Preservative Efficacy Challenge Test Microbial Limits and Endotoxin Testing Heavy Metals and Residual Solvent Analysis Analysis of Restricted and Prohibited Substances Dermatological Safety: Patch Tests (HRIPT, Cumulative Irritation) Clinical Efficacy: Moisturization, Anti-aging, Skin Brightening, Anti-acne, Hair Growth Discovery Biology: Collagen/Elastin Synthesis, Melanin Inhibition, Anti-inflammatory Assays Microbiome Modulation and Bioassays In Vitro ADME & Permeation: Skin Absorption, Barrier Function Custom Assay Development & Claim Validation Purity, Impurities & Stability Testing (ICH & USP guidelines) Physical Properties: pH, Viscosity, Spreadability, Particle Size, Zeta Potential Ingredient Profiling (HPLC, LC-MS, GC-MS, NMR) Shelf-life and Photostability Testing
