Pigmentation refers to the continuous color of your skin. Hyperpigmentation refers to the condition when skin's melanin production increases due to certain internal and external reasons. On some body parts, the pigmentation is higher than the normal skin tone. It could be due to sun exposure, hormonal changes, or even the marks left by pimples. The variance in pigmentation sometimes also depends on the genes. Hyperpigmentation, sometimes can be dealt with lightening creams with ingredients such as licorice extracts, vitamin c, face acids, etc.