Links to these are in my broadcast channel, Tea With T. There are still limited studies on lip pigmentation hence ingredients that are often known to work on pigmented skin are used Farmacy Beauty Lip Smoothie Vitamin C + Peptide Lip Balm Space NK Amazon.com : Minimalist 8% L Ascorbic Acid Lip Treatment Balm with Vitamin E, Radianskin & Glycerine for Pigmented & Dark Lips 12 gm : Beauty & Personal Care Minimalist L Ascorbic Acid 8% Lip Treatment Balm Face the Future Farmacy Beauty Lip Smoothie Vitamin C + Peptide Lip Balm Space NK Amazon.com : Minimalist Lip Lightening & Brightening Lip Balm L Ascorbic Acid 8% with Vitamin E, Radianskin & Glycerine For Women & Men 0.42 Oz 12 gm : Beauty & Personal Care