Freckle regular use of sunblock can inhibit their development. Liver spots (also known as sun spots and lentigines) look like large freckles, but they form after years of exposure to the sun. Liver spots are more common in older people. Freckle Freckles are clusters of concentrated melaninized cells which are most easily visible on people with a fair complexion. Freckles do not have an increased number of the melanin-producing cells, or melanocytes, but instead have melanocytes that overproduce melanin granules (melanosomes) changing the coloration of the outer skin cells (keratinocytes). As such, freckles are different from lentigines and moles, which are
Wildcat underside is mainly white, with a light gray, creamy or pale yellow tinge. The spots on the chest and abdomen are much larger and more blurred than on the back. The lower neck, throat, neck, and the region between the forelegs are devoid of spots, or have bear them only distinctly. The tail is mostly the same colour as the back, with the addition of a dark and narrow stripe along the upper two-thirds of the tail. The tip of the tail is black, with 2–5 black transverse rings above it. The upper lips and eyelids are light, pale yellow-white.