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Want super shiny hair like Olivia Palermo's (seriously, you could use her tresses as a mirror!)?
Here's the secret, and it's so very simple: shampoo your hair twice before applying your conditioner - the second wash ensures all the dirt, oils and environmental pollutants that have built up on the hair shaft are removed. Blow dry your hair (a few tips here) and you'll be left with glossy, lustrous locks!