1. Introduction
  - Significance of Vitamin D in Dermatology
  - Objectives of the Study
2. Literature Review
  - Biological Functions of Vitamin D in the Skin
  - Vitamin D Deficiency and Skin Disorders
  - Therapeutic Potential of Vitamin D in Dermatology
3. Methodology
  - Review of Vitamin D Metabolism and Actions
  - Epidemiological Studies on Vitamin D and Skin Health
  - Experimental Models and Clinical Trials
4. Results
  - Mechanisms of Vitamin D in Skin Homeostasis
  - Association Between Vitamin D Levels and Skin Conditions
  - Vitamin D Supplementation in Dermatological Practice
5. Discussion
  - Implications for Dermatological Management
  - Public Health Considerations
  - Future Research Directions