I'm currently using Chemical Guys New Look Trim Gel which is good, leaves a nice finish (can be glossy or matte) and lasts well when applied to a properly cleaned tyre.

Only down side is there can be a little sling if you apply too much or dont buff it enough.

I've got my eye on Zaino Z-16 at the moment... looks very good.
 
I'm currently using Chemical Guys New Look Trim Gel which is good, leaves a nice finish (can be glossy or matte) and lasts well when applied to a properly cleaned tyre.

Only down side is there can be a little sling if you apply too much or dont buff it enough.

I've got my eye on Zaino Z-16 at the moment... looks very good.

I have some Z16 at the moment, used a couple of times but didn't really like it due to it's consistency (very liquid).

Currently using Megs endurance tyre dressing which I find really good and is it what I would recommend. However I also have a pot of Tyromania waiting to be used so that opinion may change:D.
 
Yeah, i heard Z16 is pretty thin in its consistency... thats not a problem for me as i'll be using a tyre applicator and it means a little will go along way. Also means it will soak in quicker to prevent sling.
 
Turtle Wax Wet n Black so far for me :)

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valet pro trim glitz, super high gloss and completely water repelling from the word go.
can be used to rejuvenate tired and grey plastic trim, does amazing job IMO. thick live honey and on trim it goes a hell of a long way, takes a bit more with tires, but i use a small brush to apply it as it gets into all the little indentations
dionysus-trim-glitz-500ml.png
 
Agreed on the turtle wax, i use it and its ace!!
 
Meg Endurance Gel, goes a long way. Easy to apply with a baby sponge.
Can be used on hoses, engine dressing etc plus plastic trim, like the LCR splitter. Its a great product.
 
Having tried a fair few I agree with Nige [fox]. CG new Look wins hands down however is quite expensive for how long it last for.

Cost vs performance it would be Megs Endurance. Valet Pro Trim Glitz is also very good. Anything Ziano will be really good also.
 
Used Zaino Z-16 tyre (platics) dressing recently... quite watery in consistency but a few drops on an applicator pad covers the tyre easily and leaves the best finish i have seen to date.

Nice matt'ish look but nice and deep so the tyre looks spot on. You can have a glossy / shiny finish by applying a second coat but imo its not required.

One application lasted well over a month with the car being washed weekly including the wheels and tyres so durability is up there with the best of them.

Zero sling from the product as well which was a bonus for me.

You can use it on all exterior plastics as well as engine bay plastics and rubbers although i use CG's Bare Bones for under the bonnet.
 
So many to choose from in my opinion.

Two that i really like the now

Autosmart's highstyle
Blackfires Long Lasting tires Gel.
 
viking tyre foam, looks amazing and lasts weeks around £6 a can i think