Sparkly and fun on the outside, these stylish accessories hide a beautiful secret.

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"Very good!" was how many suppliers described the 41st edition of the Italian beauty show, which drew a record number of attendees.

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With fluctuating trends and increasing levels of sophistication among kids and teens, brand marketers can't afford to miss a beat. Here, some surprising statistics and classic success stories . . .

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Reusable packaging takes tarte's eco-friendly attitude to a whole new level.

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Sample and trial sizes are growing in number-and yielding big results.

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