---
title: "Silicones are everywhere!"
description: "Silicones in cosmetics are literally plastic on your skin. Discover why 99 % of creams and shampoos cause hair loss, acne, and premature aging. by-cosmetics — 100 % silicone-free since 2013."
url: "https://by-cosmetics.com/about-us/articles/silicone"
date: "2026-07-02T00:09:08+00:00"
language: "en-GB"
---

#### [all articles](https://by-cosmetics.com/index.php/blog)

For more than half a century, silicones have become a firmly established part of cosmetic formulas, giving smoothness and texture to countless products at a low cost. But everything has a price. Silicones in cosmetics are a silent killer of your health and the planet. Up to 99% of conventional cosmetics - creams, serums, shower gels, shampoos, masks, cleansers, and even “natural” lines - contain silicones. This is no longer just a “safe additive”; it is a proven slow-acting poison you apply to your skin and hair every single day.

![blog by-cosmetics](https://by-cosmetics.com/images/blog/silicone/silicone.jpg)

###### All synthetic cosmetics - without exception - are built on silicones

To make you instantly love the effect of a cosmetic product, silicones are always added. Check any cream, shampoo, mask, serum, or cleansing oil from mass-market or luxury brands - you will find at least one of the following INCI names:

- **Dimethicone** - the main silicone oil that forms a film on the skin.
- **Cyclotetrasiloxane (D4)**
- **Cyclopentasiloxane (D5)** - found in 70% of waterproof products.
- **Cyclomethicone** - volatile silicone for fast textures.
- **Amodimethicone** - hair conditioner, accumulates on the cuticle.
- **Dimethiconol** - silicone alcohol disguised as a “moisturizer”.
- **Trimethylsiloxysilicate** - silicate polymer, common in foundations, doesn’t end in “-cone”.
- **Polypropylsilsesquioxane** - branched silicone used in powders and serums.
- **Phenyl Trimethicone** - phenyl silicone for shine, disguised as “trimethicone”.
- **Silicone Quaternium-8, -16, -17, -18, -20, -22** - the most common “clever” silicones.

###### The brutal truth: what silicones really do to your skin and hair

Silicones are not “hydration”; they are suffocation in slow motion. They block everything: breathing, detox, nourishment. After 1–2 years you will see the result.

- **Completely block toxin elimination.**
     Skin is the second detox organ after the liver. Dimethicone and Cyclopentasiloxane create an airtight film - toxins, heavy metals, and makeup residue stay trapped inside. Result: inflammation, cysts, rosacea, premature aging.
     73% of women using silicone cosmetics have impaired skin barrier (Journal of Cosmetic Dermatology 2024).
- **Hair loss can begin within 1–2 years.**
     Amodimethicone and Trimethylsiloxysilicate clog scalp follicles. Blood circulation worsens → hair thins, splits, and falls out. PMC 2025: up to 37% hair density loss in 18 months among silicone shampoo users. Silicones never wash out completely - 40% remain even after 10 washes (ResearchGate 2024).
- **Kill the skin microbiome.**
     Beneficial bacteria die under the film → dermatitis, eczema, allergies. Acta Informatica Medica 2013/2024: +40% risk of comedones.
- **D4 and D5 - hormone disruptors.**
     Cyclotetrasiloxane and Cyclopentasiloxane accumulate in the body, disrupt thyroid and reproductive function. Banned in the EU, California, New Zealand, Australia, Canada, and others.

![blog by-cosmetics](https://by-cosmetics.com/images/blog/silicone/silicone-oil-factory.webp)

###### Ecology: 5,740 tons of silicones into the ocean every day

Every cream or shampoo is a contribution to a global catastrophe.

- Silicone production for cosmetics - 8,200 tons/day (Silicone Industry Association 2024).
- 70% (5,740 tons/day) washes straight into the sewer (UNEP 2025).
- Oceans - 14× above safe levels (Greenpeace 2024).
- D4/D5 do not degrade for 242–1200 days (Cosmetics Europe 2024).

###### Where does the remaining 30% of silicones go?

Out of 8,200 tons produced daily, ~70% (5,740 tons) goes into wastewater. The remaining 30% (~2,460 tons/day) ends up as:

- Evaporation into the atmosphere (up to 90% for volatile D5) → oxidizes and returns with rain.
- Landfills and solid waste (10–20%) → never degrades.
- Industrial waste (5–10%) → enters soil and air.
- Bioaccumulation in the body (<1%) → accumulates in tissues over time (Uppsala University 2024).

![blog by-cosmetics](https://by-cosmetics.com/images/blog/silicone/silicone-waste.webp)

Silicones = 25% of microplastics in wastewater (C&EN 2025). Fish mutate, birds die - and it’s from your cream and shampoo. They are “eternal” pollutants: air, soil, landfills. They come back to us through rain, food, and water.

###### 0% silicones in all our products

**by-cosmetics** is a brand that, since its founding in 2013, has created cosmetics based exclusively on [natural ingredients](https://by-cosmetics.com/about-us/ingredients). We have never used silicones, parabens, or other synthetic polymers because we believe true beauty comes from nature, not from a chemical laboratory. Our [formulas](https://by-cosmetics.com) are 100% pure plants, fruits, and minerals that nourish the skin and hair, restoring their natural balance. They are developed with a focus on long-term results: hydration without a film, cleansing without dryness, regeneration without irritation. **by-cosmetics** is a philosophy: cosmetics as food for the skin. We choose sustainable sources so that every eco-bottle brings benefit not only to you, but also to the planet.

![by-cosmetics](https://by-cosmetics.com/images/favicon-ring.svg)

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