Dangers of Microplastics
- Dragos Razvan Decsei
- Sep 19, 2025
- 4 min read
We live in a world overflowing with plastic. Every day, we come in contact with it: in packaging, in clothes, in personal care products. Most of us know that big pieces of plastic are bad for the environment. But there is something even more insidious—something almost invisible. I am talking about microplastic contamination.
What Are Microplastics?
Microplastics are tiny plastic particles, typically less than 5 millimetres in size. Some are manufactured that way (microbeads in cosmetics, for example), others result from the breakdown of larger plastic items: toothbrushes, bottles, bags, even synthetic clothing fibres. Once they are in the environment, they don’t really disappear. They just get smaller and smaller, spreading everywhere.
Why They Matter — Health, Environment, Everywhere
Environmental accumulation. Microplastics get into soil, into rivers, into oceans. They are consumed by fish, plankton, and other small animals, entering the food chain. Because they are so small, they are hard to filter out or clean up once they spread.
Potential toxicity. These microplastics can carry toxic substances—chemicals used in their manufacture, or pollutants that adhere to their surfaces. There is growing concern that these substances can negatively affect wildlife and humans alike.
Impact on human health. We ingest microplastics through food and water (yes, even through seafood and drinking water), and breathe them in. Research is still emerging, but worryingly, microplastics have been found in human tissues. They may cause irritating effects, inflammation, or disrupt endocrine systems.
Invisible, but pervasive. Because these particles are tiny, you often do not see them—but they are everywhere. Even products we trust may contain plastic or microplastic fillers. Using them unknowingly contributes to long-term exposure.
Plastic in Oral Care: Hidden Sources You Might Not Think About
Oral care is one of those areas where people are often surprised to find microplastics or plastic waste lurking. Here are some examples:
Many standard toothbrushes are made of plastic handles and nylon bristles. Over time, the bristles wear out, break, release microplastic fibres.
Toothpaste and mouthwash may include plastic microbeads, or filters that shed fibres.
Even floss, if made from synthetic threads, can contribute microplastic pollution.
A Better Path: Plastic-Free Oral Care
If microplastic contamination is the enemy, then every plastic-free choice we make is a small victory. Here are some alternatives to conventional oral care items:
Conventional Product | Plastic-Free Alternative |
Plastic toothbrush with nylon bristles | Bamboo toothbrush with natural or biodegradable bristles, or even better: boar bristle toothbrush |
Toothpaste with microbeads or plastic packaging | Toothpaste pastes or powders in compostable or glass packaging; or tablets that dissolve |
Synthetic floss | Floss made from natural fibres / biodegradable threads |
These choices do more than reduce plastic waste. They reduce the risk of microplastic contamination getting into your body, washing off into waterways, or ending up in the gut of marine animals.
Why Bamboo & Boar Bristle Toothbrushes Are Good Choices
You already provide beautiful bamboo toothbrush and boar bristle toothbrush options—and here is why they matter:
Biodegradability. Bamboo breaks down naturally; so do boar bristles (if sourced ethically). No lingering plastic bits in landfills or oceans.
No microplastic fibres shedding. Unlike nylon or synthetic bristles, natural bristles don’t release microplastics into the water when brushing.
Healthier choice. Because they are natural, in many cases they avoid chemical treatments or additives that plastic brushes have.
Reduced plastic pollution. Every time someone opts for a plastic-free oral care product, that is one fewer plastic toothbrush potentially breaking down into microplastics.
What You Can Do, Today
Here are actionable steps you and your customers can take right now:
Check labels. Avoid “nylon,” “polymer,” “plastic packaging,” “microbeads,” etc. Go for natural materials.
Switch toothbrushes. Use bamboo handle with natural bristle options. When the handle is done, it can compost (if untreated), and the bristles can be disposed responsibly.
Choose toothpaste & mouthwash wisely. Look for solid forms, glass or paper packaging, formulas without microplastic fillers.
Support brands committed to zero plastic / zero microplastics. Small businesses doing this care about traceability, sustainability, and avoiding harmful materials.
Reduce synthetic fabrics. Useful in washing clothes, because fibres from these shed into water systems = microplastic pollution. Every area of life matters.
The Big Picture: Why It Is Worth It
Taking on microplastic contamination feels like a big challenge. But it is worth every effort:
It protects ecosystems—from tiniest plankton to large marine mammals.
It protects you and your family’s health—less exposure, less risk.
It reduces long-term waste and pollution. Plastic doesn’t go away; we live with its consequences.
Each plastic-free toothbrush, each plastic-free oral care product, each small change adds up. If everyone made more mindful choices, the cumulative impact would be huge.
Microplastics are one of those modern problems that seems invisible—but the dangers are real. We can reduce risks, protect health, and make choices that help the planet. At Kivora-Eco, every product is 100% plastic free. Our bamboo toothbrushes and boar bristle toothbrushes are part of a healthier, cleaner alternative. You do not have to wait to make a difference. Start today, pick plastic-free care, and join the path toward less microplastic contamination—for your health, for the Earth.
