Skin pigmentation refers to the color of the skin, which is determined by the presence and amount of melanin, a pigment produced by melanocytes. Several factors that causes pigmentation to grow or stay on the skin are:

1. Over Sun Exposure
2. Hormonal Changes
3. Age
4. Medication
5. Genetics
6. Smoking and poor diet

As there are many forms of pigmentation in the skin, here are some common types of pigmentation:

1. Melasma
2. Age Spot
3. Freckles
4. Abnom
5. Birthmarks