If you buy this product my hair?

I'm going on a cruise next month. I wanted to find a hair product hair moisture protects and my complaint without it. I'm going to go in the pool and the ocean, in addition to the heat and sun. I was thinking of buying this product: It http://www.folica.com/hair-care/hair-treatments/davines-well-being-shelter-ph-five-five not many online reviews, so I'm not sure if I should give it try. What do you think?

seems pretty good to me

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