"Titanium Dioxide" is an ingredient primarily used in cosmetics to provide sun protection. As an inorganic sunscreen ingredient that reflects and scatters UV rays, it may cause a white cast. According to the Ministry of Food and Drug Safety’s classification, it is a restricted ingredient with a specified usage limit. Usage Limit and Standards: Maximum usage limit is 25%. Since reactions to ingredients may vary depending on the formulation purpose, concentration, and individual skin type, it is recommended to check the full list of ingredients. This information is for reference only and does not constitute a diagnosis. Please consult a medical professional or expert before undergoing any procedures or selecting products.
[Source] Ministry of Food and Drug Safety (MFDS) Standards for Cosmetic Ingredients and Use (MFDS Restricted Ingredients, Appendix 2)