SKIN CARE Flashcards
1
Q
What causes free radicals?
A
UV rays Smoking Food Air pollution Radiation Pesticides
2
Q
What does UV radiation do to our skin?
A
UV radiations affects the breakdown of collagen in the skin, which can lead to premature ageing.
3
Q
What are the three stages of free radicals?
A
- Initiation
- Propagation
- Termination
4
Q
What are free radical scavengers?
A
Free radical scavengers are chemicals (such as vitamins and enzymes) that react with and destroy free radicals. This is often desirable to help protect our skin.
5
Q
What is an example of Free radical scavengers being antioxidants?
A
Green tea contains polyphenols which act as free radical scavengers.
