When Vitamin And Nutritional Deficiencies Cause Skin And Nail Changes The signs of nutrient deficiencies can often show up in unexpected wayswhether it's cracked lips, thinning hair, or even joint pain. Understanding which vitamins and minerals your body needs can help address Healthy lips, happy you! Learn how to tackle common lip concerns: 1. Dark Lips: Use Vitamin C like @Vichy Laboratoires vit C to lighten pigmentation and pair with SPF from @AquaphorUS to prevent Your lips can speak louder than you think Dry, cracked, pale, or dark each tells a story about your inner health. From vitamin deficiencies to hydration issues, your lips are