Answer:
rebranded
Explanation:
Rebranding tries to give a new image to an old product, in order to make it look attractive and successful. This new look will try to make the product more attractive and successful.
Head & Shoulders was seen as an anti-dandruff shampoo, and it was quite successful in its specific market. But then it changed its identity to be seen as a glamorous health oriented shampoo. If people see Head & Shoulders that way then its marketing strategy was very good since there is nothing glamorous in dandruff.