I've decided to leave this review since there's non here.  And this product deserves a solid 5-stars recommendation. I've just purchased my 3rd bottle here, that's how I love it.  I have very thick and wiry hair. Love this product because it can easily penetrate my wiry hair and leave them hydrated without adding any heavy and sticky finish, which I don't like. Obviously)) Though I use it along side the moisturising leave-in cream from Oribe blue line. They do complement each other as the cream adds moisture and this serum locks it in and closes hair cuticule from the environment aggressors and any smells. This way my hair stay fresh for a reeeeeally loooong time (normally I wash them twice a week).  One other benefit is that during cold seasons I finally do not have frizzy hair as I used to before as it locks the moisture in. Even though I've tried lots of different products to prevent it before and all of them either didn't work or made my hair heavy and sticky. And the third pros is that it lasts FOREVER))) For my thick and wiry hair (not too long though) I use one 30ml bottle for 5-6 months!)) That's why I really reccomend it!))