HURTFUL The high alcohol-to-fragrance ratio in traditional perfumes will make your locks drier than the chit-chat between contestants after the final rose is given out on The Bachelor.

HELPFUL Use a fragrance specifically designed for hair—they are formulated to be less drying and often come with beautifying bene­fits. Chanel Coco Mademoiselle Fresh Hair Mist ($52) shields hair from sun and pollution, and Bait Hair Perfume in Heart Breaker ($38) has added silicone so the scent stays strong for every hair flip.

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