Final answer:
Shampoo is the most widely purchased hair-care product. It cleans the hair and scalp, promotes healthy hair, and comes in various types and formulations for different hair concerns.
Step-by-step explanation:
The most widely purchased hair-care product is shampoo. Shampoo is a hair-care product that is used to clean the hair and scalp by removing dirt, oil, and other impurities. It is a basic necessity for maintaining hygiene and promoting healthy hair.
Shampoo comes in various types and formulations to cater to different hair types and concerns. Some popular types of shampoo include moisturizing shampoo, volumizing shampoo, clarifying shampoo, and anti-dandruff shampoo.
Brands like Pantene, Head & Shoulders, L'Oreal, and Herbal Essences are among the top-selling shampoo brands worldwide.
Learn more about Shampoo