A dry Barbour is not a damaged Barbour. Waxed cotton is a consumable finish sitting on a cotton shell, and the finish is meant to be replaced periodically while the shell underneath carries on. That distinction is the whole reason these jackets are worth buying used: the fault that makes a listing photograph badly is usually the one that costs least to put right.
What varies between models — Bedale, Beaufort, Border — is cut, length and pocket configuration rather than the reproofing itself. The finish matters more than the model, and there are two of them.
You need a tin of wax dressing suited to waxed cotton, a sponge or lint-free cloth, and a warm room to hang the jacket in afterwards. Barbour sells tins matched to each of its finishes, and using the one that matches your jacket saves you guessing at the hand you will end up with.
Warm the tin by standing it in hot water until the wax loosens to a thin, spreadable consistency. Keep it away from direct heat — a hob, an oven, a microwave — because the wax is flammable and overheating it is the fastest way to ruin both the tin and the cloth.
1. **Clean the jacket**: Sponge it down with cold water only. No soap, no detergent, no machine wash, no dry cleaning — each of these strips wax out of the weave, and dry cleaning solvent removes it completely. Let the jacket dry before you start. 2. **Warm the wax**: Stand the sealed tin in hot water until the contents soften. It should spread like a thick cream, not pour. 3. **Apply thinly**: Work the wax in with a cloth or sponge in small circles, one panel at a time. Thin coats beat one heavy one. Pay attention to seams, cuffs, the collar underside, and the shoulders, which shed wax first. 4. **Even it out**: A hairdryer on low, held back from the cloth, will melt surplus wax into the weave and remove streaks and pooling. 5. **Hang it overnight**: Leave the jacket on a broad hanger in a warm room until the surface is dry to the touch. Wipe off anything still tacky rather than leaving it to transfer onto whatever you wear underneath.
Thornproof is the heavier of the two: a glossier, tackier wax that sits closer to the surface, marks visibly where the cloth folds, and gives the classic hard-shelled Barbour feel. Sylkoil is a drier, oil-based finish with a matte, oiled-cotton hand. It is softer from new, sheds its shine faster, and ages into a scuffed, chalky look that some buyers pay a premium for and others read as neglect.
Ignore calendar schedules. The jacket tells you when it needs reproofing: water that soaks in and darkens the cloth instead of beading off it, and pale grey wear lines along the shoulders, elbows and cuff edges. A jacket worn daily through a wet winter may want doing every year; one worn occasionally can go several.
Sylkoil reaches that point looking worse than Thornproof does, which is worth remembering when you are judging a jacket from photographs. Chalky and dry is not the same as worn out.
Split faults into finish and structure. Finish faults — dry wax, faded patches, chalky wear lines, a general lack of sheen — are a tin of wax and an evening. Structural faults are not: torn or split canvas, seams that have opened, a corroded or failed main zip, lining shredded at the armholes, and staining that has soaked through rather than sat on top.
Zips are the one to check hardest, because a replacement main zip on a waxed jacket is a specialist repair and the cost of it can exceed what you paid. Ask for photographs of the zip fully closed and fully open, the cuffs, and the inside of the collar.
Sellers rarely distinguish between the two categories, which is where the opportunity sits. A listing described as worn, tired, or in need of attention is often describing a finish fault at a structural-fault price.