CarPro Darkside Tyre Dressing

There's nothing quite like a freshly detailed car with properly dressed tyres. They frame the wheels, bring contrast to the bodywork and make the whole vehicle look that bit more finished. The frustration with many traditional tyre dressings is that the effect can disappear disappointingly quickly, particularly after a few wet journeys.

CARPRO DarkSide approaches tyre dressing a little differently. Rather than simply adding a temporary shine, it's formulated as a longer-lasting tyre and rubber sealant, combining the appearance benefits of a dressing with the water-repellent characteristics of a protective treatment.

At the heart of DarkSide is a formulation containing 60% polydimethylsiloxane, usually abbreviated to PDMS. This silicone polymer is widely used in protective and water-repellent treatments, and CARPRO uses it here to produce a rich satin-black finish with strong hydrophobic properties.

That's worth understanding because DarkSide isn't simply another glossy tyre shine. The manufacturer's intended finish is satin, giving the rubber a deep, dark appearance without necessarily looking excessively wet or greasy. We think that suits a carefully detailed car particularly well, especially when the aim is a clean, well-maintained appearance rather than maximum shine.

Water repellency is one of DarkSide's main attractions. CARPRO describes the protective film as highly hydrophobic, helping water and everyday contamination release more readily from the tyre surface. It's not going to prevent tyres getting dirty, but it is designed to help them retain their freshly dressed appearance between washes.

Another important benefit is resistance to UV exposure and cleaning chemicals. Tyres spend their lives exposed to sunlight, water, road grime and regular cleaning, so a dressing that can withstand these conditions offers a practical advantage over products intended purely for short-term appearance enhancement.

CARPRO claims up to three months of durability from an application, which is impressive for a relatively straightforward hand-applied tyre treatment. We would treat that as an achievable manufacturer claim rather than a guarantee, though. Actual longevity will vary with preparation, mileage, weather, washing methods and the condition of the rubber.

Preparation is probably the most important part of getting the best from DarkSide. Tyre sidewalls often retain residues from previous dressings, road film and the brown discolouration associated with rubber antiozonants. Applying fresh protection over those deposits can compromise the appearance and consistency of the finish.

We'd therefore recommend thoroughly cleaning the tyres with CARPRO ReTyre before applying DarkSide. ReTyre is specifically developed to remove accumulated contamination and previous dressing residues from rubber, giving the new treatment a much cleaner surface to work with.

Application itself is straightforward. CARPRO recommends dispensing two or three squirts onto a suitable tyre applicator or microfibre applicator and spreading the product evenly across the sidewall. The dedicated CARPRO DarkSide Tyre Brush is particularly useful for working the dressing into textured sidewalls, raised lettering and the awkward areas close to the wheel rim.

One instruction we wouldn't overlook is drying time. CARPRO recommends keeping the treated tyres away from water and allowing DarkSide to dry for one to two hours. Giving the product the appropriate time to settle is important for achieving its intended finish and reducing the possibility of excess dressing transferring onto adjacent bodywork.

It's also useful to distinguish DarkSide from CARPRO's more permanent tyre coating products. DarkSide is a ready-to-use sealant that can be applied as part of a normal detailing routine, without the more involved preparation associated with some specialist coatings. That balance of convenience, appearance and durability is a large part of its appeal.

For us, DarkSide makes sense for anyone who enjoys the look of freshly dressed tyres but doesn't want to repeat the process after every wash. The combination of a rich satin finish, strong hydrophobic behaviour and manufacturer-claimed durability of up to three months gives it a compelling place in the CARPRO range.