Finish the following sentence with the best choice: Fix damage to hair caused by exposure to chlorine in swimming pools.

Choices:
- Use a  regular protein  treatment  to replenish the protein that has been stripped by the chlorine.
- Condition your  hair using a  deep conditioning hair conditioner twice a week to seal in moisture and to smooth out frizzy split ends.

Answer:
Use a  regular protein  treatment  to replenish the protein that has been stripped by the chlorine.