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Clean it up.When it’s hot, you sweat.

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(We sympathize.)

But visiting your colorist with dirty or product-coated hair is not the greatest move.

Hair dye oxidizes when it comes into contact with sweat or stylers, so your color could fade prematurely.

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Shampoo the day of, even if it feels redundant.

Be subtle.There’s a fine line between sun-kissed and brassy.

To avoid the latter, ask your colorist to paint lowlights.

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Seal the deal.Color isn’t everything.

This will help preserve your new shade and keep hair smoother and shinier for longer.

Fight the elements.We love the sun and surf; we hate how they can dull color.

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To keep your tone vibrant, rinse hair with fresh water and apply conditioner before you hit the beach.

Then slip on a hat.

(If your hair is long, tightly braid it first.)

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Bolster blonde tones daily by spritzing onJohn Frieda Sheer Blonde Go Blonder Controlled Lightening Spray, $10.

Brunette babes, avoid fade-out!

Use a demipermanent dye such asL’Oreal Paris Healthy Look Creme Gloss Color, $10.

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