Cosmetics and Cosmeceutical Applications of Chitin, Chitosan and Their Derivatives

The document reviews the use of chitin, chitosan, and their derivatives in the cosmeceutical industry, focusing on their applications in oral healthcare, haircare, and skincare. Chitosan is particularly noted for its solubility in acidic solutions, film-forming abilities, and as a carrier for active compounds. In oral healthcare, chitosan has been shown to reduce dental plaque and bacterial counts, with potential uses in toothpaste and mouthwashes. For haircare, chitosan improves hair softness and strength and has been used in various products. In skincare, chitosan offers benefits such as UV protection, antioxidant and antimicrobial activities, and is used in sunscreen formulations. The document also explores the potential of chitosan nanoparticles for targeted drug delivery, such as Minoxidil for treating androgenetic alopecia. While the document does not provide specific study numbers or outcomes, it emphasizes the diverse benefits of these compounds in personal care products and the importance of characterizing their properties for optimal use in the industry.