Did you know your lips can indicate nutrient deficiencies? Dark lips, dryness, irritation, or cracks may signal low levels of essential vitamins and minerals. Vitamin B12 deficiency may cause darker or pigmented 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 Farmacy Lip Smoothie Vitamin C + Peptide Lip Balm Apple Can hyaluronic acid actually plump your lips? , Yes! It can. And our new C Lip Serum proves it., Formulated by cosmetic chemist Ron Robinson, this first of its kind lip serum combines vitamin C,