Sun Exposure

• The American Academy of Dermatology states on their website that vitamins C and E decrease harmful effects of sun exposure.
  
  

Skin Cancer

• The AAD also notes that a combination of vitamins A and E achieves a significant reduction in the skin cancer called basal cell carcinoma.
  
  

Burns and Other Injuries

• According to Orthomolecular Medicine News Service, topical applications of vitamins C and E along with B3, or niacin, bring relief for thermal burns, sunburns, bug bites and bed sores. Intravenous solutions of vitamin C also show success in burn treatment.
  
  

Skin Tissue Repair

• Vitamin A is essential for maintenance and repair of skin tissue, and topical vitamin A is commonly used for acne control, psoriasis relief and reducing lines and wrinkles.
  
  

Avoiding Dry Skin

• Inadequate amounts of vitamin B3 and B7, or biotin, can cause dry, scaly and itchy skin.