Gunaratne,W. A. S. BSilva,H. I. C. De2025-07-222025-07-222025-05https://dr.ichemc.ac.lk/handle/123456789/427Abstract No: 2025_291 Page 43Safety concerns regarding synthetic sunscreens have increased the demand for botanical alternatives rich in phytochemicals with natural photo-protectant properties. Layered double hydroxides (LDHs) offer biocompatibility, tunable composition, high anion- exchange capacity, and controlled release. This study focused on developing a plant extract-incorporated LDH nanohybrid and evaluating its photostability and antioxidant activity. Based on the UV blocking ability at UVA and UVB regions, J. adhatoda was selected.enLayered double hydroxideJusticia adhatoda Linn.AntioxidantSun protection factorPhotostability.Article