PROBLEM TO BE SOLVED: To obtain an ultraviolet light absorbent and/or shielding agent effective not only in the UV-B area but in the UV-A area.SOLUTION: This ultraviolet light absorbent and/or ultraviolet light-shielding agent contains titanium oxide obtained by hydrolyzing a low valent titanium salt (especially a 3 valent titanium salt).COPYRIGHT: (C)2003,JPO【課題】UV-BだけでなくUV-A領域においても紫外線吸収作用を有する紫外線吸収及び/又は遮蔽剤の提供。【解決手段】低原子価チタン塩(特に3価チタン塩)の加水分解により得られる酸化チタンからなる紫外線吸収及び/又は遮蔽剤。