The conventional skincare routine generates a significant amount of plastic waste. A morning-and-evening routine with separate cleanser, toner, serum, and moisturiser — four products, each in its own container — multiplied across 12 months means dozens of units of packaging per person per year. Most of it is not recycled. According to the Ellen MacArthur Foundation, the beauty industry generates around 120 billion units of packaging per year, most of which ends up in landfill.
Zero-waste skincare approaches this problem at the source. The formats vary — solid bars, concentrates, refillable bottles, packaging-free balms — but the common thread is reducing or eliminating single-use containers. The practical question is how these alternatives perform compared to their conventional equivalents.
Solid formats: the honest assessment
Solid cleansers and shampoo bars have improved considerably. Early versions had high pH levels that disrupted skin and scalp barrier function; well-formulated modern versions use syndets (synthetic detergents) that can be pH-adjusted to skin-appropriate levels. The performance gap with liquid formats has narrowed. For cleansing specifically, a well-made solid bar is a practical substitution for most people.
Solid moisturisers and balms are a different matter. Conventional moisturisers are emulsions — water and oil combined with emulsifiers. Solid formats are typically anhydrous (water-free): butters, waxes, and oils without the water phase. They work well for dry skin and as occlusive barriers, but they do not replicate the lighter texture of a water-based lotion. This is not a flaw — they are a different product performing the same function differently — but it means a direct swap may not work for everyone.
Solid serums are emerging but remain limited in scope. The active ingredients that make serums effective — vitamin C, hyaluronic acid, niacinamide, retinoids — are largely water-soluble or require water-based delivery systems to perform as intended. Solid formats face formulation challenges in this category that are not yet fully solved.
Refill systems
Refillable packaging reduces virgin material use with each refill cycle. The environmental gain depends on the number of refill cycles actually completed — a refillable container that is refilled once provides modest savings; one refilled ten times provides substantial ones. This makes the design of the refill system as important as its existence.
Brands running successful refill programmes typically make the process simple and the price differential meaningful. Mail-back systems with prepaid envelopes have better completion rates than systems requiring consumers to post packaging themselves. In-store refill stations work where footfall exists. A refillable glass bottle with a complicated postal return process will see lower completion rates than a system designed around minimal friction.
Some brands have moved toward aluminium packaging — infinitely recyclable and accepted in standard kerbside collection — rather than refill systems. This trades the infrastructure challenge of a refill loop for reliance on recycling rates, which are higher for aluminium than for most plastics but not universal.
What to look for in practice
When evaluating zero-waste claims, the questions worth asking: is the packaging genuinely recyclable through widely available systems (not specialist schemes), or does the brand rely on its own take-back programme? For solid formats, does the brand publish the pH of their cleansers? For refills, how easy is the return process?
Brands that have invested in zero-waste formats as a core product strategy tend to have more developed answers to these questions than those adding a ‘sustainable range’ to an existing portfolio. The difference shows in the details of how the systems are designed and how the brand talks about their limitations.
Zero-waste skincare involves trade-offs — and for those new to this space, our clean beauty guide covers the ingredient and certification side of the picture — some formats perform differently, some refill systems require more effort than others. The honest position is that the trade-offs exist and the products are worth evaluating on their own terms, rather than framing ‘sustainable’ as a category that automatically performs as well as what it replaces.