The Care Category Series: Denim, History’s Most Iconic Fabric

Denim is one of the few materials in fashion designed to become more itself through time; it accrues character and memory. It's made for endurance and intended to crease, soften, fade, and slowly record the movements of the body wearing it. To us, that characteristic whiskering at the hips, the fading behind the knees, or the wear patterns around pockets and seams are all evidence of life lived inside the garment, and the workwear origins of denim as a durable fabrication.

Denim really shouldn’t be treated like a material that needs constant correction. We overwash it, over-strip it, and expose it to aggressive detergents and laundering cycles that accelerate exactly the kind of fibre breakdown denim was originally designed to resist. As part of our Care Category Series, this next chapter looks at denim specifically, as a material with its own unique relationship to wear, bacteria, time, texture, and longevity.

At The Lab, we believe fashion care should respond to differences. Our target-specific fashion care system exists precisely because materials age differently, absorb differently, and interact with the body differently, and denim benefits hugely from this notion of restraint.

What denim is, fundamentally, is a tightly woven cotton twill engineered for durability and gradual transformation. Traditionally constructed through an indigo-dyed warp yarn woven against undyed weft threads, denim develops its distinctive fading patterns through friction, movement, sunlight, and wear over time. Denim enthusiasts, textile specialists, and heritage makers will all caution you against excessive washing, noting that constant laundering disrupts the intended lifecycle of the fabric, and every wash cycle places stress on the cotton fibres. Heat, agitation, and harsh surfactants contribute to fibre fatigue, colour loss, shape distortion, and premature breakdown.

In responding to this issue, we realised that odour and stain management is the missing link; so this is what our denim category sets out to address. Our Denim Refresh was developed as a between-wash solution; a probiotic mist designed to revitalise denim fibres without water or harsh soap. Intended for everyday use, travel, and on-the-go care, it biologically breaks down odour-causing organic matter while refreshing the fabric itself, allowing for significantly more wear with less washing overall. We’ve also included Denim Wipes within the system, allowing for targeted spot-cleaning of cuffs, waistbands, pockets, spills, and everyday marks without subjecting the entire garment to a full wash cycle.

For deeper cleaning, our Denim Wash offers a more gentle alternative to conventional detergents. Using a probacterial formula designed specifically for denim fibres, it cleans at a microscopic level while helping preserve the shape, colour, and texture that make aged denim unique. Rather than stripping the fabric, the intention is to cleanse while respecting the garment’s evolving character and extending its lifespan over time.

We’d recommend washing your denim together in one considered cycle using the Denim Wash, allowing all your pieces to receive the same lower-impact treatment while reducing unnecessary water and energy use overall. Thoughtful batching like this is a super simple but effective fashion care practice, supporting both garment longevity and more conscious consumption habits over time.

To us, maintenance should support the natural lifecycle of the garment, without interfering in its character building. Denim is designed to evolve through wear, and our care approach exists to protect that process. Rather than forcing garments into artificial states of perpetual newness, probiotic care supports the natural lifecycle already embedded within the textile.

A pair of jeans that lasts ten years instead of two represents a radically different environmental outcome. Fewer replacements mean reduced textile production, reduced dye usage, reduced water consumption, and less material entering landfill. Extending the life of garments is one of the most immediate and accessible forms of sustainability available to consumers. Mindfulness is the foundation of good garment stewardship; learning to care for our clothing with intention fundamentally changes our relationship to consumption itself.

Age your denim correctly, with The Lab.