Skin Care Flashcards
1
Q
What is a free radical
A
highly reactive molecules with unpaired electrons
2
Q
How can UV light start a free radical reaction
A
It has enough energy to break the covalent bonds leaving 2 atoms with unpaired electrons
3
Q
What are the 3 reaction steps
A
Initiation
Propagation
Termination
4
Q
What is a free radical scavenger
A
They stop the free radical chain reactions which causes the skin to become damaged