Windshield Water Repellent 2024 Test: Which Brand Wins?

of force to slide the weighted sponge (versus 3.5 lb untreated)

of force to slide the weighted sponge

of force, described as 'by far the slickest yet' at that point in testing, about a pound less than Rain-X; finished 2nd overall in the closing slickness leaderboard

of force, moved into 2nd place at that point in testing; finished tied for 3rd overall in the closing slickness leaderboard alongside G-Techniq

of force, about the same as Invisible Glass

of force, tied with 3D for 2nd place at that point in testing; finished tied for 3rd overall in the closing slickness leaderboard

of force, described as 'super slick,' the best (lowest) result of all 10 brands and the closing slickness leaderboard's overall winner

of force, described as 'even less slick than the untreated glass' (worse than the 3.5 lb untreated baseline)

of force, performed better than Aquapel

of force, described as 'the most force yet,' the worst (highest) result of all 10 brands

amazing hydrophobic qualities, water forming very tight beads; finished 3rd overall in this test behind Aquapel and GYEON (tied 1st)

water mostly forming a sheet rather than beading, described as performing worse than Rain-X

definitely a better job than Invisible Glass but not quite as good as Rain-X

about the same as Invisible Glass, not quite as good as Rain-X or Adams

performing well, but water beginning to form a sheet under the direct path of the spray; described as clearly worse than GYEON in a direct side-by-side

very good, almost as good as Rain-X, in 2nd place at that point in testing, clearly better than 3D

clearly loses to GYEON in a direct side-by-side comparison ('the gion is definitely doing a much better job with water immediately forming very tight beads')

performing extremely well, tight beads across the entire test area, easily beat Chemical Guys; tied with GYEON for 1st place overall in this test

really struggling, water forming a sheet across the entire test area; clear loss to Aquapel

doing the best job so far in the heavy-spray test, water forming very tight beads, unable to form a sheet; beat CERAKOTE and Chemical Guys decisively; tied with Aquapel for 1st place overall in this test

still works as good as new

sheet of water took about half a second longer to dissipate

performing very well, seemed unphased by the windshield washer fluid

a lot of damage, over 8 seconds for the sheet of water to dissipate

sheet of water now taking 2 seconds longer to dissipate

still looks as good as new

now taking an extra 3 seconds to break up the sheet of water

performing as good as new

just about used up at 18 seconds after only brief exposure, the worst result of all 10 brands in this test

continues to do an amazing job forming tight water beads (essentially unaffected)

still looks as good as new

needed an extra 2 seconds for the sheet of water to run off

took some damage, 1.5 seconds for the sheet of water to dissipate

a lot of damage, went from 9 seconds to 26 seconds

went from 3.3 seconds to 5.7 seconds after the car wash and scrubber

looks just as good as Rain-X, nothing but water beads

really lost a lot of performance, going from 4.3 seconds to 12 seconds

still repelling water just as good as new

really struggling, very close to a minute for the sheet of water to clear the test area, the worst result of all 10 brands

still doing an amazing job, water unable to form a sheet (essentially unaffected)

performed well with just a small amount of unfinished business

didn't perform quite as well as Rain-X, some bug guts still on the test piece

about the same as Invisible Glass

streaks of bug guts running across the glass panel ('that familiar streak')

performed about the same as Invisible Glass and Adams, plenty of leftover residue

performed quite a bit better than average, just a small amount of bug guts still on the panel

quite a bit of bug gut still left on the test piece

most bug guts came off but there are still some dissolved bug gut streaks

did a great job removing the marker stain but really struggled with the bug guts

did a pretty good job with the bug gut remains

black marker has been removed

black marker has been removed

permanent marker removed

black marker removed ('did a great job')

black marker did not survive the test (removed)

black marker lifted away from the glass during the test

quite a bit of permanent marker survived the test

a shadow of the marker still visible on the glass (not fully removed)

marker stain removed ('did a great job')

some permanent marker remains still visible (not fully removed)

beat Adams (slight edge), 3D (easy win), Chemical Guys (easy win), and CERAKOTE, but lost to G-Techniq ('the g technique finally handed the rainx a loss'); finished 4th overall in this bracket-style heat test behind the 3-way tie of G-Techniq, Aquapel, and GYEON

eliminated early; described only in a side comparison as performing worse than CERAKOTE ('the cerakote did perform better than the invisible glass and the 3D')

lost to Rain-X, described as 'extremely close' with Rain-X having only a slight edge

lost to Rain-X, described as an 'easy win for the rainx'

lost to Rain-X ('rainx outperformed the cerakote'), but performed better than Invisible Glass and 3D in a side comparison

the only brand to beat Rain-X in the heat-resistance bracket; then tied with Aquapel ('too close to call'); finished in a 3-way tie for 1st place overall in this test alongside Aquapel and GYEON

lost to Rain-X, described as an 'easy win for the rainx'

tied with G-Techniq ('too close to call'), easily beat Debaishi, then tied with GYEON ('too close to call... both brands perform very well'); finished in a 3-way tie for 1st place overall alongside G-Techniq and GYEON

lost easily to Aquapel

outperformed CERAKOTE in a side comparison, then tied with Aquapel ('too close to call... both brands perform very well'); finished in a 3-way tie for 1st place overall alongside G-Techniq and Aquapel

water beading and beginning to form lines when running off

still forming water beads but water forming water lines when running off, similar to Rain-X

performing about the same as Rain-X

definitely forming the tightest water beads of all the top-4 brands after this exposure