Reading Part 5: For each question, choose the correct answer.
KERATIN
Keratin is a protein found in hair which helps (21) .......... our hair and keep them healthy. That’s
why hair (22) .......... have used keratin in many of their hair treatments as a selling point. However,
science has (23) ..........that keratin treatments might come with major health concerns in the
long-term.
Keratin treatments are processes that sooth and add shine to your hair. Though called “
Keratin” treatments, those treatments don't need keratin to work. Instead, a solution is (24)
..........to break through the hair and keep all the strands in a straighter position.
The solution used in the treatment contains a harmful chemical called formaldehyde. The chemical
is dangerous not only to you but also the hairdressers performing the treatment. The common side
effects are sore throat, nose bleeds, and scratchy eyes.
Therefore, you should explore other effective hair treatments that don't (25) ..........your health
such as a suitable shampoo or hair-care product. Beauty sometimes (26) ..........with a price, so be
wise in your decisions for hairdressing.
21. A. strengthen B. empower C. improve D. develop
22. A. stores B. departments C. shops D. salons
23. A. studied B. found C. introduced D. led
24. A. added B. inserted C. extended D. put
25. A. alarm B. harm C. warn D. caution
26. A. makes B. goes C. has D. comes