Replace brush head every 6 months.

取代毛笔头每6个月。

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Replace your brush every three to four months, sooner if it's frayed, and right after you've had a cold, flu, mouth infection or sore throat.

每三至四个月更换你的牙刷，牙刷有磨损的话就早点换，如有伤风，感冒，口腔感染或咽喉肿痛的话也应立即更换牙刷。

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Replace timely worn or damaged electric brush. Remove timely dusts, small pieces and etc.

应及时更换已磨损到位的电刷，及时清除机器灰尘、杂物等。

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Clinique recently introduced Chubby Sticks for eyes with a dome-shaped tip, meant to replace traditional brush-on powder eye shadow.

WSJ: Clinique Chubby Sticks Are Some New Products Promising Faster, More Precise Makeup