Lesson 34 · about 15 minutes

Sunscreen and skin

Molecules that soak up ultraviolet light, from sunscreen to your own melanin.

You will learn

  • What ultraviolet light is, and how it harms the DNA in skin
  • How sunscreen molecules absorb UV and turn it into heat
  • How melanin shades your skin cells
  • How sunlight helps your skin make vitamin D

Sections

  1. Ultraviolet light
  2. Sunscreen molecules
  3. Melanin, your own sunscreen
  4. Sunlight and vitamin D
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