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Maintenance Basics intermediate 11 min read

Sorting Out Scratches: A Real-World Guide to Fixing Your Paint

Most car owners make this harder than it needs to be. Here's the straightforward approach that actually works—no fluff, no upselling.

Nothing ruins a weekend faster than finding a fresh scratch on your pride and joy. Whether it's from a stray shopping trolley or a rogue branch on the tracks, I'll show you how to tell if it's fixable and exactly how to buff it out without making things worse.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 25 February 2026
What You'll Learn
Sorting Out Scratches: A Real-World Guide to Fixing Your Paint

Aussie Conditions

Australian conditions are tougher than most—intense UV, red dust, coastal salt, and 40°C summers. European car care advice often doesn't cut it here.
Quick Summary

Look, paint scratches are part of life in Australia, but they don't have to be permanent. I've spent over 15 years polishing everything from dusty farm utes to show-winning Holdens, and I'm going to walk you through the proper way to handle paint defects. We'll cover how to diagnose the damage, the gear you actually need, and the techniques that'll save you a fortune at the panel shop. This isn't just about making it look shiny; it's about protecting your clear coat from our brutal UV and salt air.

01

The Honest Truth About Scratches

Right, let's get one thing straight before we even open the garage door. Not every scratch can be 'rubbed out'. I've had blokes come to me with a gouge that goes straight through to the metal, clutching a bottle of 'miracle' scratch remover they bought at the servo, hoping for a magic fix. It doesn't work like that. If you can feel the scratch with your fingernail, it's deep. If you can see grey primer or silver metal, you're looking at a respray or a touch-up pen, not a polish. I learned this the hard way back when I was starting out on my old black Commodore. I spent three hours trying to buff out a scratch that was clearly through the clear coat. All I ended up doing was thinning the paint around it until I hit the primer, making a small problem a bloody massive one. Never again. These days, I'm a lot more clinical about it. In Australia, we've got it tougher than most. Between the 45-degree summer days that bake bird poo into your clear coat in minutes and the red dust that acts like sandpaper the moment you touch your paint, our cars take a beating. That dust is the real killer. If you don't wash the car properly before trying to fix a scratch, you're basically just rubbing rocks into your paintwork. This guide is for the stuff we can actually fix: those annoying swirl marks from the local car wash, the light bush pin-striping from your last camping trip, and those scuffs where someone's nudged your door in the Woolies car park. We're going to do it properly, using the same methods I use in my shop every day. No shortcuts, no 'as seen on TV' junk, just proper technique and the right gear.
02

The Proper Kit: What You Actually Need

What You'll Need

0/12
Dual Action (DA) Polisher — Don't bother with those cheap $40 'buffers' from the hardware store. They've got no torque and just vibrate. Get a decent DA like a Shinemate or a Rupes if you're serious. It's much safer for beginners because it won't burn through the paint like a rotary will.
Assorted Foam Pads — You'll want at least one heavy cutting pad (usually green or orange) and one finishing pad (black or white). My go-to is the Lake Country HDO range because they handle the heat of an Aussie summer without falling apart.
Compound and Polish — I reckon you can't go past Meguiar's Ultimate Compound for a retail option, or something like Koch Chemie H9 if you want the pro stuff. You need a 'heavy' compound for the scratch and a 'fine' polish to bring back the gloss.
Clay Bar or Clay Mitt — Crucial for removing embedded grit. If you don't clay, you'll just drag dirt across the paint while polishing.
Clay Lubricant — A dedicated clay luber or even just a very soapy bucket of water. Never use a clay bar dry unless you want to ruin your day.
Microfibre Towels (at least 10) — Don't use your old bath towels or a dirty rag. Get high-quality, 300GSM+ microfibres. Toss any that hit the ground straight in the bin (or keep 'em for the wheels).
Isopropyl Alcohol (IPA) Wipe — Mix 50/50 with water. This strips the oils from the polish so you can see if the scratch is actually gone or just hidden by fillers.
Masking Tape — The blue painter's tape. Use it to cover plastic trim and rubber seals so you don't stain them white with polish.
High-Output LED Torch — The sun is great, but a handheld torch lets you see the scratches from different angles. Use your phone light if you have to, but a proper detailing light is better.
pH Neutral Car Wash — Something like Bowden's Own Nanolicious. You need the car surgical-clean before you start.
PTFE or Ceramic Sealant — Once you've fixed the scratch, you've removed protection. You need to seal it back up. I'm a big fan of Gtechniq Liquid Crystal for easy application.
Spray Bottle with Water — To keep surfaces cool if you're working in a warm garage.

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03

Preparation: Don't Skip This

Tap each step to mark complete
01

The Deep Clean

Wash the car thoroughly using the two-bucket method. I'm talking wheels first, then top-down. If you've been up north or through red dust, spend extra time flushing the gaps. Any grit left behind will wreck your polishing pad.

02

Decontamination

Use an iron remover (like Bowden's Wheely Clean, yeah, it works on paint too) to get rid of metallic fallout. Rinse it off properly.

03

Clay Bar the Area

Run your hand over the paint. If it feels like sandpaper, it needs claying. Lubricate the panel and gently glide the clay over the scratch and surrounding area until it's smooth as glass.

04

Dry and Inspect

Dry the car with a dedicated drying towel or a blower. Pull it into the shade. Never, ever attempt scratch removal in direct Aussie sunlight. The panel will get too hot and the polish will bake on instantly.

05

Masking Up

Tape off any nearby plastic trim, rubber window seals, or badges. Polish is a nightmare to get off textured plastic once it dries.

04

The Scratch Removal Process

Tap each step to mark complete
01

The Fingernail Test

Gently run your nail across the scratch. If it catches, you likely won't get it 100% out without wet sanding (which is risky). If it doesn't catch, we're in business for a full recovery.

02

Prime Your Pad

Put 4-5 pea-sized drops of compound on your cutting pad. Rub them in with your finger to ensure the foam is evenly covered. This prevents 'dry buffing'.

03

Dab the Work Area

With the machine OFF, dab the pad across a 40cm x 40cm area. This spreads the product so it doesn't sling everywhere when you pull the trigger.

04

Spread at Low Speed

Set your DA polisher to speed 1 or 2. Spread the compound evenly over the section.

05

The Working Passes

Crank the speed up to 4 or 5. Use slow, overlapping arm movements (about 2-3cm per second). Apply moderate downward pressure, enough to compress the foam slightly, but not enough to stop the pad from spinning.

06

The Cross-Hatch Pattern

Move the machine horizontally across the area, then vertically. Complete about 4-6 passes in total.

07

Wipe and Inspect

Use a clean microfibre to buff away the residue. Don't scrub; let the towel do the work.

08

The IPA Reveal

Spray your IPA mix on the area and wipe. This removes the polishing oils that might be hiding the scratch. If the scratch is still there, repeat steps 5-7 one more time.

09

Assess the Heat

Touch the panel. It should be warm, not hot. If it's too hot to hold your hand on, stop and let it cool. Overheating causes clear coat failure.

10

Switch to Finishing

Once the scratch is gone, you'll notice the paint looks a bit hazy or 'cloudy'. Swap to your finishing pad and your fine polish.

11

Jewelling the Paint

Repeat the process with the fine polish on speed 3-4 with very light pressure. This is what gives you that deep, 'wet' look.

12

Final Clean

Wipe off the polish and do one last IPA wipe to ensure the surface is chemically clean.

13

Protection

Apply your sealant or wax. If you've just spent two hours fixing a scratch, don't leave the paint 'naked' to the sun. Chuck a good layer of protection on there.

Pro Tips from the Trade

Work in small sections. I see guys trying to polish a whole bonnet at once. You lose control and the polish dries out. Stick to a 40cm square. Also, keep your pads clean! After every section, I use a stiff brush or compressed air to blow the spent polish out of the pad. If the pad gets 'clogged', it won't cut and it'll generate way too much heat.

Watch Out

Never polish a car that has been sitting in the sun. The metal can reach 70°C, and adding machine friction to that is a recipe for disaster. You'll burn through the clear coat in seconds. Always work in a garage or under a carport on a cool panel. If you're working in 35°C+ weather, even in the shade, keep a spray bottle of water handy to mist the pad and keep temps down.

Watch Out

Bat droppings in Australia are incredibly acidic. If they sit on your paint in the summer, they can 'etch' into the clear coat, creating what looks like a scratch or a wrinkle. Polishing might not fix this if it's too deep. If you see a dropping, get it off immediately with some quick detailer, never wait until the next wash.
05

Aftercare and Maintenance

Once you've spent the effort getting that scratch out, the last thing you want is for it to come back. Most scratches are actually caused by poor washing habits. Throw away that old sponge and the chamois (they're paint killers, honestly). Switch to a microfibre wash mitt and a dedicated drying towel. Given the UV levels we deal with, I reckon you should be topping up your paint protection every 3-4 months if the car lives outside. If you're near the coast, the salt spray will eat through cheap waxes in weeks. A ceramic sealant is your best bet for longevity. Also, if you're heading off-road, consider a temporary 'spray-on' protection or just accept that the bush pinstripes are coming, don't try to polish them out every single weekend or you'll run out of clear coat by Christmas. Most modern cars only have about 30-50 microns of clear coat; that's thinner than a post-it note. Treat it with respect.
06

Advanced Techniques: When Polishing Isn't Enough

If you've got a scratch that catches your nail but doesn't show primer, you might need to 'wet sand'. This involves using 2000 or 3000 grit sandpaper soaked in soapy water to manually level the clear coat. It's scary as hell the first time you do it because the paint goes completely matte. You then have to use a heavy compound to bring the gloss back. I wouldn't recommend this for a beginner, but if you've got an old panel to practice on, it's a great skill to have. Just remember: you're removing paint. Once it's gone, it's gone. A customer once brought in a Ranger he'd tried to wet sand after watching a YouTube video; he'd sanded right through to the base coat on every body line. That was a $3,000 mistake.
07

Frequently Asked Questions

Can I use toothpaste to fix scratches?
Look, people swear by it, but honestly, don't. Toothpaste is an abrasive, but it's not designed for automotive clear coats. It can leave the area looking dull and hazy. Just buy a $20 bottle of proper polish; it's cheaper than a respray.
How do I know if the scratch is too deep?
The fingernail test is king. If your nail 'clicks' into the groove, it's deep. Also, spray some water on it, if the scratch disappears briefly while wet, it's in the clear coat and can be improved. If it stays visible, it's likely through to the paint.
Is a 'scrath remover' pen any good?
Most of those 'clear' pens are just a temporary resin. They look okay for a week then yellow in the sun or wash off. For real chips, use a factory-matched touch-up paint from the dealer.
Does red dust scratch the paint?
Absolutely. Red dust is basically iron ore and silica. If you try to wipe it off with a dry cloth, you're essentially sanding your car. Always pressure wash first.
Can I polish my car in the sun?
Avoid it at all costs. The polish will dry too fast, making it impossible to work with and potentially damaging the surface.
What's the difference between compound and polish?
Think of compound as 'liquid sandpaper' for taking out the defect, and polish as the 'finisher' that brings back the shine. You almost always need to follow a compound with a polish.
How often can I polish out scratches?
Every time you polish, you're removing a tiny layer of clear coat. You can probably do a 'heavy' correction 3-4 times in a car's life before you're in the danger zone. Light polishing can be done more often.
Will a ceramic coating stop scratches?
It helps with 'micro-marring' (tiny swirls), but it won't stop a shopping trolley or a branch. It's a chemical barrier, not an armour plate.

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