“The Multifunctional Effects of Niacinamide, Sodium Hyaluronate, and Hydrolyzed Collagen”. In 1st International R&D, Design and Innovation Conference Proceedings Book, 65–67. Proceedings. BAUDER Press, 2026. Accessed August 16, 2026. https://press.bauderpress.org.tr/index.php/bauderpress/catalog/book/1/chapter/5.