潘婷防脱发洗发水就是个很好的例子。

A good example is Pantene Hair Fall Control.

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潘婷作为洗发水类中的龙头老大，旗下就有14种以不同功效为主题的系列，总共113种产品。不难看出洗发水的货架上挤满了不同洗发水产品，让人不知从何下手。

When Pantene, the shampoo category leader, offers 113 products in 14 different benefit-themed lines, it's easy to see how the shelves have become so crowded—and confusing.

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