are you talking about a leave-in conditioner/detangler? i use the rene furterer leave-in spray and it's amazing. i have thin fragile curly hair and must be really careful when brushing it, especially when it's wet. the spray can be used on wet or dry hair.
I don't know how good this is for your hair in the long run but most of the children's detangling sprays are incredible. They work really really really well...they just might smell like sour apple or 'groovy grape' haha
My hair is fairly thin and naturally wavy. My favourite de-tangler is actually my Kerastase Ciment Thermique leave in conditioner.. seriously on days where I'm taking a break from it my hair is so tangly but when I put the Ciment Thermique on and then comb through its very easy! It also works for heat protection and especially when styling hair with heat!
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I have long, fine, straight hair that gets really tangled. Frederik Fekkai Coiff Defense gets all the knots out, and it's not even a detangler, it's technically a pre-style thermal/UV protectant. But seriously, it works so well.
But if you want something that's actually a detangler, I second the person above me. Kids detanglers all the best - L'Oreal's smells like pears! And it works!
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Just got the Tresemme heat-protectant...it's pretty brilliant for detangling IMO. And it's pretty cheap too I must say that I'm really happy with it, and the spray nozzle thingy is fantastic.
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