Introduction: Green Chemistry, What it Really Means; How REACH Affects Cosmetic Ingredients; Organic Ingredients; Nanomaterial Challenges and Problems; EU Regulations on Plant Allergens and Their Consequences; Harmonizing Global Overall Requirements for Ingredient Characterization; Hazard Analysis and Critical Control Points; Good Manufacturing Practice; Proving Cosmetic Efficacy; Advertising Cosmetic Efficacy: Rules and Regulations; Packaging and Labelling Requirements; Finished Product Legislation - China; Finished Product Legislation - Australia, Canada, and Rest of World; Patents: Their Importance in Today's Cosmetics Environment