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Sustainable beauty is often reduced to a few familiar choices: recyclable packaging, natural ingredients, refillable containers, or products labelled “eco-friendly.” But none of these choices tells us much about environmental impact on its own.
A skincare product has a much longer environmental story. Raw materials have to be grown, extracted or manufactured. Formulas require resources and energy. Ingredients and finished products are transported. Packaging is produced, used and eventually discarded. Some ingredients enter wastewater when we wash them from our skin.
That is why I prefer to look at sustainable beauty across the whole product life cycle:
Ingredients → Formulation → Production → Packaging → Use → End of life
This is also where my professional work in environmental protection influences the way I look at skincare. In my work, waste, wastewater and soil contamination are rarely isolated problems. One decision affects another. I use the same thinking when I evaluate the ingredients I buy, the skincare I make at home and the finished products I choose to purchase.
There is rarely one option that is automatically the most sustainable. A natural ingredient can still require significant resources to produce. A glass jar is not automatically better than plastic simply because glass is recyclable. A waterless product changes the formulation and transport equation, but that alone does not tell us its total environmental impact.
The more useful question is:
What environmental impact am I reducing, and am I shifting part of that impact somewhere else?
This guide focuses specifically on environmental sustainability in skincare. Social and economic sustainability are also part of the wider sustainability framework, but they require their own evidence and are outside the scope of this article.
For a closer look specifically at ingredients, wastewater and environmental fate, see my Environmental Impact of Skincare Ingredients: What Happens After You Rinse Off.
What Does Sustainable Beauty Practices Actually Mean?
Sustainable beauty means looking beyond a single ingredient, package or environmental claim and considering the system around the product.
The life cycle starts before a cosmetic product reaches the bathroom.
Botanical ingredients may require agricultural land, water, harvesting, extraction and processing. Synthetic ingredients have raw materials and manufacturing processes of their own. Packaging requires materials and energy to manufacture. Products then need to be transported and stored.
The impact continues during use and after the product is finished. Packaging enters a waste-management system, while some cosmetic ingredients may enter wastewater.
This is why natural versus synthetic is not a particularly useful shortcut for environmental impact. Neither is glass versus plastic, or DIY versus store-bought. The natural-versus-synthetic distinction is more complicated than it first appears, especially once sourcing, processing, performance and environmental fate are considered. I explore those trade-offs separately in Natural vs Synthetic Ingredients in Cosmetics.
The specific material, its source, processing, quantity, function, use and end of life matter more.
This life-cycle approach is also important because improving one part of a product does not necessarily improve every environmental impact. Life-cycle research on cosmetic products has demonstrated the importance of ingredient choice and dosage and the possibility of shifting environmental burdens between impact categories rather than simply eliminating them.
That is why I prefer evidence about a specific ingredient, material or process over broad labels such as green, natural or sustainable.
From a Linear Beauty Routine to a Circular One
The traditional consumption model is largely linear:
raw materials → manufacture → product → use → waste
Resources enter the system at one end and waste leaves it at the other.
A circular economy tries to keep products and materials in use for longer and reduce the amount of waste that needs to be managed at the end.
The European waste hierarchy follows a similar logic: waste prevention takes priority, followed by preparing for reuse, recycling, other recovery and, finally, disposal.
The European Environment Agency explains why waste prevention is central to the transition towards a circular economy: recycling alone does not prevent the resources, energy and materials required to produce the product in the first place.
This distinction matters in beauty because packaging is one of the parts of a cosmetic product that we can directly keep in circulation.
A Small Circular Loop I Can Create at Home
One advantage of making skincare at home is that some packaging does not have to become waste after a single use.
I keep suitable glass jars and aluminium containers and reuse them when they are still appropriate for the next formulation.
My small loop looks like this:
use → empty → clean → inspect → reuse
Before reusing a container, I look at its condition, closure and whether I can clean and prepare it appropriately for the next product.
This is a small household example of the same broader principle behind packaging reuse: keeping a functional material in use rather than immediately replacing it with a new one.
The EU’s Packaging and Packaging Waste Regulation — Regulation (EU) 2025/40 takes a much larger, regulated approach to reusable packaging systems, but its requirements illustrate an important point: reuse involves more than simply keeping a container. Reconditioning includes assessing its condition, cleaning or washing it under appropriate conditions and checking whether it remains fit for purpose.
Reuse Still Has an Environmental Cost
Reusing packaging is not impact-free.
Containers need to be washed and prepared between uses. That requires water and, depending on the method, energy and cleaning agents. Eventually, every container also reaches the end of its useful life.
This is why the number of actual uses matters.
A life-cycle assessment specifically examining cosmetic packaging compared reusable, recyclable and dematerialised packaging strategies and showed that reuse can substantially change environmental performance, while packaging design, material choices and end-of-life assumptions also influence the result. See Reusability and recyclability of plastic cosmetic packaging: A life cycle assessment.
So I do not consider a glass jar sustainable simply because I can theoretically reuse it.
The useful question is whether I actually reuse it.
I look at the waste hierarchy, packaging materials and the practical limits of recycling in much more detail in Cosmetic Packaging Waste: Why Recycling Alone Won’t Fix It.
Choosing Ingredients With Environmental Impact in Mind
When I buy an ingredient for a DIY formulation, its skin benefits and formulation function are only part of the decision.
There is another layer worth considering:
Where did this material come from, and what was required to produce it?
For botanical ingredients, that may mean looking at the crop, geographical origin, extraction method, processing, traceability and transport. Climate change adds another layer to this question, affecting growing conditions, raw-material supply and the environment in which skincare products are ultimately used. I explore that connection more closely in my guide to climate change and skin care.
For me as a home formulator, quantity matters too.
An interesting ingredient is not a particularly good use of resources if I buy 500 g, use 30 g for one experiment and eventually discard the rest.
This is one reason I prefer to build several formulations around ingredients I already own rather than continuously adding new raw materials to my shelves.
Replacing products is not automatically a sustainability strategy either. If I already own a carrier oil, cleanser or container that performs its intended function, using it before buying a supposedly more sustainable replacement may make better use of resources.
Shea butter is a good example of why I prefer looking at a specific ingredient rather than assuming that natural origin means low environmental impact. I looked at its sourcing, processing, energy use and production residues in my analysis of sustainable shea butter.
You can explore how different raw materials function inside a formula in my DIY Skincare Ingredients guide.
Upcycled Cosmetic Ingredients
Upcycling is particularly interesting from a circular-economy perspective.
Food and agricultural processing generate seeds, peels, kernels and other side streams that may still contain useful cosmetic materials. Research into cosmetic circularity increasingly examines how these materials can be recovered and turned into useful ingredients instead of being treated only as waste.
A recent review, Advancing Cosmetic Sustainability: Upcycling for a Circular Product Life Cycle, examines upcycling across the cosmetic product life cycle and also highlights an important limitation: large-scale implementation and complete environmental data are still developing.
Tomato seed oil is a useful example. Tomato processing generates seeds as part of its residual material, and those seeds can become a source of cosmetic oil. I cover other examples in my guide to Upcycled Oils in Skincare.
But I would not call an ingredient sustainable simply because it is upcycled.
Collection, drying, extraction, processing and transport still require resources. Upcycling tells us something useful about the origin and use of the raw material; it does not provide a complete life-cycle assessment.
The same caution applies to words such as regenerative, natural and responsibly sourced. They become useful when we know what practices or measurable outcomes sit behind them.
Formulation Choices That Can Reduce Waste
Sustainability also enters the picture when I decide what and how much to formulate.
For home formulators, batch size is one of the easiest variables to control.
If I am making a new face cream, I do not need to make 200 g simply because I have enough ingredients. A smaller batch gives me enough product to observe and evaluate while limiting the amount I may have to discard if the formula needs adjustment.
Failed formulations use resources too: ingredients, packaging, water for cleaning and sometimes energy for heating or processing.
This makes formulation planning part of waste prevention.
plan → make an appropriate batch → document → evaluate → adjust
There is another reason formulation matters.
The environmental profile of a cosmetic product is not determined only by its packaging. Ingredient selection, concentration and formulation architecture can influence the environmental result as well.
At the same time, an environmentally preferable ingredient is not a useful substitution if it makes the formula unstable, unsafe or unable to perform its intended function.
For a formulator, sustainability therefore has to sit alongside function, concentration, stability, safety and performance.
My DIY Skincare Recipes pillar explains the formulation process, while the DIY Skincare Recipe Library includes formulations and my calculator for scaling a formula to the batch size you actually want to make.
What About Waterless Beauty?
Waterless and anhydrous products deserve attention, but I do not treat waterless as a synonym for sustainable.
Removing added water changes the formulation. It can create a more concentrated format and may change product weight, packaging and transport requirements.
But water contained in the finished formula is only one part of a product’s relationship with water.
Water can also be involved in raw-material production, manufacturing, equipment cleaning, packaging production and consumer use. Wastewater pollution adds another dimension.
This means less water in the jar does not automatically mean a lower total water footprint.
A 2026 review of water use and wastewater in the cosmetics industry discusses precisely this wider perspective, including manufacturing, cleaning, formulation chemistry and wastewater treatment. See Water Use and Wastewater in the Cosmetics Industry.
Microbiological safety is also a separate formulation question. An anhydrous formula presents different conditions from a water-containing emulsion, but the absence of added water alone should not be used as a blanket claim about environmental superiority, safety or shelf life.
I look at the formulation side in more detail in Waterless Skincare: What It Is, How It Works, and Why It Lasts.
Packaging: Material Matters, but Use Matters Too
Packaging is probably the most visible part of sustainable beauty, which makes it easy to oversimplify.
Glass looks sustainable because it can be recycled and reused. Plastic has become associated with waste and pollution. Aluminium is lightweight and recyclable.
But material alone does not tell us which packaging system has the lowest environmental impact.
Manufacturing, weight, transport, product protection, actual reuse and end-of-life infrastructure all matter.
For the skincare I make at home, I often start with the simplest question:
Do I already have suitable packaging that I can use again?
If I do, I may not need another new jar at all.
Commercial refill systems use the same basic idea at a larger scale: retain part of the packaging and replace only the product or refill component. Their environmental value, however, depends on how many times the main package is actually reused, what the refill is made from and how the entire system is transported and eventually managed as waste.
This is why I separate three ideas that beauty marketing often blends together:
Recyclable — the material may be capable of entering an appropriate recycling process.
Reusable — the packaging can perform its function through repeated uses.
Refillable — the system allows the container to be replenished without replacing the complete package.
They are related, but they are not interchangeable.
If you want to see how this works in my actual DIY routine — including the glass jars and aluminium tins I reuse — see Refillable Skincare Packaging: A Practical Approach to Reusing Cosmetic Containers.
What Happens After You Use a Cosmetic Product?
Packaging is only one part of skincare’s end-of-life story.
When we wash off a cleanser, rinse a mask, shower after applying body products or wash residues from our hands, some cosmetic ingredients enter wastewater.
They have not disappeared. They have entered another system.
Scientific reviews of pharmaceuticals and personal care products have documented their occurrence in wastewater and aquatic environments and show that environmental fate varies considerably between substances and treatment processes.
Some compounds may biodegrade or be removed effectively. Others can be more persistent, adsorb to sewage sludge or pass through treatment to varying degrees.
This is why I avoid broad claims such as biodegradable, water-friendly or safe for the ocean unless there is relevant evidence for the specific substance.
An important limitation is that environmental data are not equally complete for every cosmetic ingredient. The absence of environmental data does not prove that an ingredient is environmentally safe, but it does not prove that it is harmful either.
Sometimes the scientifically correct answer is simply:
we do not have enough data yet.
This part of the cosmetic life cycle is particularly important to me because wastewater is part of my professional environmental work.
Working with wastewater, waste and contaminated sites teaches you to ask a question that is easy to forget when you are standing in a bathroom:
Where does this material go next?
For skincare, the drain is not the end of the product’s environmental story.
In Environmental Impact of Skincare Ingredients: What Happens After You Rinse Off, I go much deeper into biodegradability, persistence, wastewater treatment and how I use ecological information when evaluating ingredients. Microplastics are one particularly visible example of this wider problem because their environmental relevance begins after use rather than ending with the cosmetic product itself. I cover their use, environmental pathways and regulation separately in Microplastics in Cosmetics.
When DIY Makes Environmental Sense — and When Buying Does
I make skincare at home, but I do not assume that DIY is automatically the more sustainable choice.
DIY makes sense when I can formulate something I will actually use, work with ingredients I already have, choose an appropriate batch size and reuse suitable packaging.
It can also create unnecessary waste.
A formula that requires ten new ingredients that will barely be used again is a different environmental decision from a balm made from materials already sitting on my formulation shelf.
Repeated failed batches are waste too.
There are also products I prefer to buy.
Sunscreen is the clearest example. SPF performance cannot be established by looking at a recipe or calculating the percentage of UV filters. Proper sunscreen formulation and performance testing go beyond what I can verify in my home formulation setup.
DIY and buying are therefore not opposing sides of sustainable beauty.
They are two options I evaluate according to what I need, what resources are required, what I can safely and realistically make, and what happens to the materials afterwards.
How to Evaluate Sustainability Claims
Words such as green, eco-friendly, natural, conscious and planet-friendly can make a product sound environmentally preferable without explaining what has actually improved.
When I evaluate an environmental claim, I look for the information behind the adjective.
If a company says its packaging is more sustainable, what changed?
Was less material used? Does it contain recycled material? Is the main container designed to be reused? What part of the package is refillable?
If an ingredient is described as responsibly or sustainably sourced, what does that mean in that particular supply chain?
Specific information is more useful than a green label.
Environmental Claims in the EU
This is also increasingly reflected in EU consumer law.
Directive (EU) 2024/825 strengthens consumer protection against unfair environmental marketing practices.
Among other provisions, it addresses generic environmental claims that cannot be supported by recognised excellent environmental performance, environmental claims about an entire product when they actually concern only one aspect, and certain sustainability labels that are not based on certification schemes or established by public authorities.
Member States were required to transpose the Directive by 27 March 2026 and apply the measures from 27 September 2026.
The Green Claims Directive is separate.
As of October 2026, the European Commission’s Green Claims page still lists the proposal as pending.
I keep the regulatory detail and status updates in my separate guide to the EU Green Claims Directive, because this is an area where wording and legislative status matter.
For consumers, the practical principle is much simpler:
Look for evidence behind the claim.
A narrow statement explaining exactly what has changed is often more useful than calling an entire product sustainable.
A Simple Framework I Use for Better Beauty Decisions
I do not calculate a life-cycle assessment every time I make a balm or buy a cleanser.
Instead, I keep four stages in mind.
Need
Do I actually need another product, ingredient or container?
Using what I already own is often the simplest starting point.
Buying a new “sustainable” replacement for a perfectly usable product can still mean consuming additional materials and resources. Sustainability marketing does not automatically make additional consumption sustainable.
Use
Will I actually use it and finish it?
For ingredients, I also consider whether they can work across several formulations rather than one experiment.
Reuse
Can something remain in circulation?
For me, that may mean reusing a suitable glass jar or aluminium container, using ingredients I already have in another formula, or choosing a refill system that I will genuinely refill.
End of Life
Eventually, the formula, its ingredients and its packaging leave my hands.
Where do they go?
That may mean wastewater, recycling, residual waste or another waste stream depending on the material and local infrastructure.
Need → Use → Reuse → End of life
It is a simple framework, but it forces me to look beyond the front label.
Want to Look Beyond the Front Label?
A skincare product can be covered in leaves, recycling symbols and environmental language while much of the useful information is somewhere else — in its ingredient list, packaging information and the evidence behind its claims.
That is why I created my Green INCI Audit.
Send me one product with its exact INCI list, size and price. I will break down what the ingredient list can tell us, what it cannot tell us, which ingredients deserve a closer look and where environmental conclusions require more information.
Get Your Free Green INCI Audit →
Frequently Asked Questions
What should I look for before calling a skincare product sustainable?
Look for specific information rather than a general sustainability label. Useful evidence may include where key ingredients come from, how packaging has been reduced or redesigned, whether a refill or reuse system actually exists, what certification supports a sourcing claim, and which part of the product’s life cycle the environmental claim refers to. A claim about one feature should not automatically be interpreted as evidence about the whole product.
Can you determine the environmental impact of a cosmetic product from its INCI list?
Only partly. An INCI list identifies ingredients and their order according to cosmetic labelling rules, which can help identify ingredient types and highlight substances worth investigating further. It does not normally reveal exact concentrations, suppliers, geographical origin, manufacturing methods, transport distances, energy use or complete environmental fate data. An INCI analysis can therefore identify questions and available evidence, but it is not a life-cycle assessment.
Where can I find environmental information about a cosmetic ingredient?
For raw materials used in formulation, I start with supplier technical documentation and the Safety Data Sheet, particularly ecological information where relevant. Scientific literature and regulatory databases can provide additional information on biodegradation, aquatic toxicity, persistence or environmental occurrence. The amount and quality of data vary considerably between ingredients.
Does biodegradable mean a cosmetic ingredient is environmentally harmless?
No. Biodegradability describes how a substance can be broken down under specified conditions; it does not by itself describe the ingredient’s complete environmental impact. Concentration, degradation conditions, degradation products, aquatic toxicity, persistence and where the substance ultimately enters the environment can all matter.
What is the easiest sustainable change for a home skincare formulator?
For me, it is usually to make better use of what I already have: choose an appropriate batch size, formulate with ingredients already in my inventory and reuse suitable packaging where practical. These decisions address waste before it is created rather than relying only on recycling afterwards.
Where This Leaves Me
The more I look into sustainable beauty, the less interested I am in finding the “greenest” product.
I am much more interested in understanding what is actually behind it.
Sometimes I find a genuinely interesting idea — an ingredient made from a food-industry side stream, packaging that is designed to stay in use, or a formulation approach that may reduce a particular environmental burden. Other times, I follow an impressive environmental claim and find that there is surprisingly little information behind it.
And quite often, there simply isn’t enough evidence to make a confident comparison.
I am comfortable with that.
Environmental work has taught me that moving a problem somewhere less visible does not make it disappear. Skincare is a surprisingly good example of this. The package is easy to see. The raw-material supply chain is not. The empty jar is easy to see. What goes down the drain is not.
That is the part of sustainable beauty I find most interesting, and it is what I want to explore more on this site: taking one ingredient, formula, package or claim at a time and finding out what we can actually say about it.
Some answers will probably be straightforward. Others may end with we don’t know yet.
Both are useful answers.
Sources and Further Reading
- European Environment Agency. Waste Prevention.
- European Parliament and Council. Regulation (EU) 2025/40 on packaging and packaging waste.
- Cassar C. et al. Reusability and recyclability of plastic cosmetic packaging: A life cycle assessment. Resources, Conservation & Recycling Advances.
- Martins A.M., Silva A.T., Marto J.M. Advancing Cosmetic Sustainability: Upcycling for a Circular Product Life Cycle. Sustainability. 2025;17(13):5738.
- Water Use and Wastewater in the Cosmetics Industry. Water. 2026;18(15):1831.
- European Parliament and Council. Directive (EU) 2024/825 on empowering consumers for the green transition through better protection against unfair practices and through better information.
- European Commission. Green Claims.
- Javed, S., Abrar, S. & Arshad, M. (eds.). Sustainable Cosmeceuticals: Integrating Natural and Biotechnological Innovations. Springer Nature, 2025.
