10 Silent Signs of a Vitamin C Deficiency You’re Probably Ignoring

When your hair is healthy and shiny, it's a good sign that you're eating a balanced diet. When your ends are splitting and your hair is dry, you may have a vitamin C deficiency. Hair depends on collagen for strength and health: When you're low on C your collagen production can pay the price, leading to weak and brittle hair that falls out easily.