7 secret reasons your skin pigment changes colour - Healthista
University Dermatology Center - Skin pigmentation disorders cause changes to the color of your skin. Melanin is made by cells in the skin and is the pigment responsible for your skin's color.
Natural Colored Pigment Powder Close Up, Matt Skin Colored Eyeshadow or Mica Powder, Pigment Stock Image - Image of color, dust: 127286249
Checklist I took notes I labeled the layers of skin. - ppt download