The Hidden Truth Behind Mineral Makeup: 3 Reasons Why ‘Mineral’ Rarely Means What You Think – and How We Do Things Differently
Mineral Makeup
You buy mineral makeup assuming it's pure, gentle, and natural—a product closer to nature than most cosmetics. But appearances can be deceiving: many products that call themselves "mineral makeup" contain an ingredient called Boron Nitride—in theory a mineral, but in practice usually synthetically produced.
At Ilse de Beauté, we believe in transparency and integrity. That's why we state from the outset: our mineral makeup contains NO Boron Nitride. In this article, I will explain why, how it works, which brands DO use BN, and—most importantly—how you can critically examine ingredients behind claims.
1. What exactly is Boron Nitride?
1.1 Chemical background
- Chemical formula: BN — a compound of boron (B) and nitrogen (N). Wikipedia
- BN has several crystalline forms: the most commonly used in cosmetics is the hexagonal form (h-BN). Wikipedia+1
- The hexagonal form is stable, has a smooth structure, and is comparable to graphite (in terms of layer structure) but composed of B and N atoms. Wikipedia
1.2 What about the natural variant?
- There is one recognized natural form of BN: qingsongite (c-BN, cubic boron nitride). Wikipedia+2pubs.geoscienceworld.org+2
- This natural form was first mentioned in 2009 as an inclusion in chromite-rich rocks in Tibet (Himalayan region). pubs.geoscienceworld.org+3Sci.News: Breaking Science News+3Science News+3
- In 2013, the International Mineralogical Association officially confirmed "qingsongite" as a new mineral. Wikipedia+2Sci.News: Breaking Science News+2
- Because the natural variant is extremely scarce, it is practically impossible for many makeup brands to work with it in commercially relevant quantities.
Conclusion: yes, there is a natural BN mineral—qingsongite—but it is so rare that it is not a realistic source for industrial cosmetic production of mineral makeup.
2. Why brands use Boron Nitride in cosmetics or mineral makeup
2.1 Texture and 'slip'
BN is often used as a "slip modifier" or lubricant for powders. It makes the soft powder texture smoother and more pleasant on the skin.
2.2 Pigment dispersion & adhesion
BN can help to distribute pigments more evenly and ensure better adhesion to the skin, which improves coverage and color fastness. With certain brands, it is referred to as the diamond of mineral powders!
2.3 Optical effects
Some formulations use BN for light diffusion or soft-focus effects, making pores or fine lines appear less visible.
2.4 Safety assessment
- The Cosmetic Ingredient Review (CIR) considers Boron Nitride, at the usual concentrations in makeup, to be safe for use.
- In eyeshadow, concentrations of up to ~25% are reported in literature.
- BN is generally considered chemically inert and stable under normal skin conditions.
- However: "safe in general" does not mean that no one will ever be sensitive—individual skin types, particle size, and interactions with other ingredients play a role.
3. Why we at Ilse de Beauté do not use Boron Nitride
3.1 Transparency & consistency
We want "mineral makeup" to truly mean what it claims—no hidden additives, no marketing deception.
3.2 Risk of sensitization
Even though BN is often considered safe, finely divided powders can still cause irritation in sensitive skin types. By omitting it, we minimize that risk. Also, products made during industrial and chemical processes can cause sensitivities.
3.3 Authentic positioning
Our brand stands for purity, reliability, and credibility. If we claim "mineral," we want to be consistent. No compromises.
4. How to determine for yourself if a product contains BN?
4.1 Read the INCI list
Look for "Boron Nitride" (and abbreviations like "BN"). Check its position: if it's among the top ingredients, it's likely an important powder additive.
4.2 Be critical of claims
Pay attention to terms such as "mineral makeup", "clean beauty", "100% natural". These are not protected and can be marketing without true purity.
4.3 Check variants & lines
Sometimes a brand uses BN in some lines (e.g., pressed powders) but not in others (loose powders). Ask for transparency or INCI versions.
4.4 Test yourself
Perform patch tests (e.g., behind the ear or on the inner arm) over several days; watch for redness or itching.
4.5 Particle size & "nano"
If a brand mentions particle size (e.g., "non-nano", "micronized"), that provides additional information. But even "micronized" is not inherently harmless.
5. How you, as a consumer (or buyer), can check for yourself
- Read the INCI list
– See if "Boron Nitride," "BN," or "Bor Nitride" appears.
– Check the order: if it's right after pigments or powder ingredients, there's a high chance it's an important powder additive. - Note claims vs. reality
– Ask yourself: "How can this brand use such a volume of BN if the natural form barely exists?"
– Don't rely solely on terms like "mineral," "clean," "natural"—these are not legally protected. - Choose brands with open ingredient disclosure
– Brands that list their complete INCI (in all variants) are more reliable.
– Sometimes you can contact them and ask which lines are without BN. - Do a patch test
– Apply the product behind your ear or on your forearm, for several consecutive days.
– Watch for redness, itching, or swelling. - Debate about formulation & particle size
– If the manufacturer states the particle size/particle finish (e.g., "micronized, non-nano, coating"), it provides extra safety information.
– Note that "micronized" is not always good—particles that are too fine can be irritating.
6. Examples of brands / products with and without Boron Nitride
(Please note: ingredient formulations can change—use this only as a starting point and check the current INCI yourself)
| Brand | Description / positioning | Findings regarding transparency / claim | Possible indication of BN use | INCI List |
| Studio Mino (Belgium) | A Belgian line “based on pure minerals,” 100% natural, vegan, ‘free of toxins’ according to their own communication. (Studio Puur BV) | They emphasize “pure minerals” and few ingredients | Because their marketing speaks of “pure minerals” and “free of toxins,” it seems likely that they do not want to use synthetic additives like BN (but this is no guarantee) | Foundation ingredients:Mica, Zinc Oxide, Silica, Boron Nitride, +/- CI77891, CI77491, CI77492, CI77499, CI77007 (https://shop.studiopuur.be/collections/foundation/products/minerale-foundation ) |
| Bellapierre (US) | Bellapierre positions itself as “mineral makeup / natural cosmetics.” (bellapierre.com) | They emphasize “100% mineral” in their marketing (e.g., in new products) (bellapierre.com) | It is possible that their powders (or certain lines) use additives (such as BN) to improve texture | Foundation ingredients: Mica, Zinc Oxide, Iron Oxides. May contain: Chromium Oxide Green, Ultramarines. (bellapierre.com) |
| I am Klean | I am Klean positions itself as “healthy beauty” with sustainability and “naturalness” as core values. (iamklean) | They try to offer transparency (“honest sustainability”) | Such brands with an emphasis on purity are often vigilant about additives, but this does not guarantee anything at the product level | Loose foundation ingredients: Mica, Boron Nitride, Silica, Tin Oxide, CI 77891, CI 77947, CI 77492, CI 77491, CI 77499 (the latter are iron oxides, these vary by shade) (https://iamklean.be/products/loose-mineral-foundation ) |
| Cent Pur Cent | Cent Pur Cent is sold through pharmacies and does not claim 100% naturalness, but does state that its loose foundation is mineral. | — | Unknown | Loose foundation ingredients: Mica, Boron Nitride, Silica, Tin Oxide, CI 77891, CI 77947, CI 77492, CI 77491 ( https://centpurcent.com/products/loose-mineral-foundation?srsltid=AfmBOoo1G6jP7vyGqFDgl8EKnw78zQpnbSJQ-V42u7aQvMA0NcuQrlbp ) |
| Mineralissima | Fully natural mineral make-up line launched in the Netherlands. | 100% transparency | No use of Boron Nitride. | INCI: Mica, CI77891, Zinc oxide, CI77491, CI77492, CI77499 |
| Couleur Caramel | Natural make-up | Transparency regarding ingredients | No use of Boron Nitride. | IngrédientsMICA - ZEA MAYS (CORN) STARCH* - ZINC STEARATE - OCTYLDODECANOL - SQUALANE - RICINUS COMMUNIS (CASTOR) SEED OIL* - SILICA - GLYCERIN - LECITHIN - ARGANIA SPINOSA KERNEL OIL* - PRUNUS ARMENIACA (APRICOT) KERNEL OIL* - SODIUM ANISATE - SODIUM LEVULINATE - TOCOPHEROL - ASCORBYL PALMITATE - AQUA (WATER) - CITRIC ACID [+ / - MAY CONTAIN : CI 77891 (TITANIUM DIOXIDE) - CI 77492 (IRON OXIDES) - CI 77491 (IRON OXIDES) - CI 77499 (IRON OXIDES)] *Ingrédient issu de l'Agriculture Biologique / Ingredient from Organic Farming |
💭 Conclusion: honesty over marketing
After thorough research, it appears that Studio Mino, Cent-Pur-Cent, and I am Klean do use Boron Nitride in their mineral make-up . Bellapierre and the brands I select for Ilse de Beauté do not use this ingredient.
This doesn't mean that Boron Nitride is necessarily "bad" — it's generally considered safe in common concentrations. But for me, the claim " mineral make-up " or "100% natural" is no longer accurate. When an ingredient is synthetically produced in the chemical industry and does not directly originate from a mineral or rock, then I want to state that explicitly.
🌿 Honesty in communication is more important to me than following trends or fancy marketing words. At Ilse de Beauté, I consciously choose mineral make-up that truly consists of pure pigments, natural minerals, and transparent formulas — without Boron Nitride.
Because your skin deserves that what's on the label, is also true. ✨