**Here are 10 examples of using the word «serum» in English:**
1. The doctor prescribed a vitamin C serum to help improve my skin tone.
2. Before the vaccine, they gave us an antiserum to prevent the disease.
3. The beauty salon offers a range of serums to treat different skin concerns.
4. The scientist developed a new serum to combat cancer.
5. She applied a serum with hyaluronic acid to moisturize her skin.
6. The athlete used a post-workout serum to speed up muscle recovery.
7. The veterinarian recommended a serum to treat the dog's skin infection.
8. The company produces a serum for hair loss prevention.
9. The laboratory is testing a new serum for allergies.
10. The cosmetic brand launched a new anti-aging serum.