The present invention provides compounds of Formula (I) that are useful for binding and / or modulating the biological activity of the melanocortin-1 receptor (MC1R). Compounds of this invention can be used to treat diseases and / or conditions in which modulation of MC1R is beneficial. Such diseases and / or conditions include, but are not limited to, hyperpigmentation (including melasma), hypopigmentation (including vitiligo), melanoma, basal cell carcinoma, squamous cell carcinoma, erythropoietic protoporphyria, polymorphous light eruption, solar urticaria, photosensitivity, sunburn, inflammatory diseases, aberrant fibroblast activity and pain.