This problem set is a complete preparation edition that systematically organizes the scope of the Japan Cosmetic Science Examination and is structured around frequently tested points. It focuses on areas where score differences are likely to occur, such as skin structure, the function of ingredients, skincare theory, UV protection, cosmetic labeling, and related laws and regulations, allowing for focused practice. Designed for step-by-step learning from basic review to applied understanding, this is a structured problem set suitable for self-study candidates. ⸻ ■ Content Structure of This Book ・ Structure and function of the skin ・ Basic knowledge of cosmetic ingredients ・ Moisturizing ingredients, whitening ingredients, antioxidant ingredients ・ Ultraviolet rays and UV protection ・ Cosmetic labeling and the Pharmaceutical and Medical Device Act ・ Sensitive skin, allergies, and trouble management ・ Skincare theory ・ Basic makeup knowledge ・ Review questions designed with the exam format in mind The content is organized by subject area, allowing for systematic practice of the entire scope of the exam. ⸻ ■ Features ・ Covers the entire scope of the Japan Cosmetic Science Examination ・ Problem design emphasizes ingredient understanding ・ Strengthened focus on legal and labeling sections ・ Structured format that is easy to follow even for self-study ・ Suitable for a comprehensive review in the final preparation period