Hydrolyzed Collagen Tonic Drink Prevents Worsening of Skin Parameters and Improves Photoaging Classification in Healthy Thai Women: A Randomized Controlled Trial, Vichaidit, Uratchat, Kamalashiran Chuntida, Pawa Kammal Kumar, and Phetkate Pratya , Pharmacognosy Journal, September 2025, Volume 17, Issue 5, p.644-652, (2025)