Shein’s falling profits reveal cracks in ultra-fast fashion business model

Slowing profits and mounting legal challenges suggest Shein’s breakneck growth is stalling as regulators and consumers demand more accountability from fast fashion brands.

Daphne Chouliaraki Milner reports for Atmos.


In short:

  • Shein’s profits dropped nearly 40% in 2024, forcing the company to slash its valuation ahead of a planned IPO in London. Meanwhile, its sales continue to grow.
  • The company faces increasing scrutiny over labor practices, pricing deception, and products found to contain hazardous chemicals like phthalates, PFAS, lead, and formaldehyde.
  • Broader market signals suggest a shift: Other ultra-fast fashion brands are also seeing earnings drops as public pressure and regulation begin to take hold.

Key quote:

“Companies like Shein thrive on overproduction and rock bottom prices, but I really think that this decline signals that their model isn’t as bulletproof as it once seemed. Regulatory scrutiny is getting better and shoppers are getting smarter.”

— Katrina Caspelich, chief marketing officer of Remake

Why this matters:

Fast fashion, once hailed as a democratizing force in global style, is now facing a reckoning as its hidden costs become harder to ignore. Behind the racks of $5 shirts and micro-trends lies an industrial machine that churns out billions of garments annually, often under conditions that harm both people and the planet. Factories, many based in countries with weak labor protections, have come under fire for grueling hours, poor wages, and exposure to hazardous chemicals used to dye and finish garments. Those same chemicals have been found in finished products, raising concerns about what consumers, especially children, might be absorbing through their skin.

The environmental toll is staggering, with textile dyeing ranked among the largest sources of water pollution globally and synthetic fibers shedding microplastics into waterways. While brands like Shein have ridden a wave of viral popularity, their rapid, opaque supply chains are now drawing scrutiny from U.S. and European regulators, who are exploring tougher oversight. As public awareness grows and watchdog groups highlight these links between fast fashion and toxic exposures, the industry’s low-cost, high-speed model may face limits it can’t ignore.

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In short:

  • Animals - including insects, fish, reptiles, birds, humans, and other mammals - are constantly simultaneously exposed to synthetic chemicals and the impacts of climate change, including rising temperatures.
  • Both of these stressors can harm fertility, and many of the impacts found are similar across species, such as effects on sperm and eggs.
  • The stress caused by these exposures also impacts overall health, harming animals’ ability to adapt to a changing environment and worsening global biodiversity loss.


Key quote:

“To build a sustainable future, we must recognize that chemicals, once released, don’t simply disappear. Instead, they contribute to the larger issue of driving humanity towards the exceedance of planetary boundaries when considered in combination with climate change and other planetary-level impacts.”


Why this matters:

While climate change and toxic endocrine disrupting chemicals (EDCs) are both individually well-established as health threats, few studies have examined the implications of the widespread simultaneous exposure experienced by humans and wildlife. Many EDCs can also impact health across multiple generations, meaning their harm continues long after the original exposure. To better tackle the issue of EDCs, the authors of this study emphasize the need for strong regulations that address chemicals by class, rather than individually.


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More resources:


Brander, S. et al. (2026). Impacts of environmental stressors on fertility and fecundity across taxa, with implications for planetary health. NPJ Emerging Contaminants.

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