Nautica Black Iron Oxide
Nautica Black Iron Oxide
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Nautica Black Iron Oxide is a cosmetic-grade black mineral colourant used to add deep, earthy tones to a wide range of DIY and formulated products. Unlike brighter pigments or dyes, iron oxides create more muted, natural-looking shades, which makes them especially useful in products where a grounded colour palette is preferred. This black oxide can be used on its own or blended with other iron oxides to create custom tones, and titanium dioxide can be used to lighten the final shade. It is an insoluble powdered colourant intended for cosmetic formulation use.
♡ Why we love it: Black iron oxide is one of those dependable colour tools that gives formulators a lot of control. It is especially handy when you want to deepen, mute, or balance other shades without tipping into an artificial-looking finish.
Also available in Sample Sizes.
Key properties
- Colour Index: CI 77499
- Ingredients: Black iron oxide
- Form: Powdered cosmetic colourant
- Solubility: Insoluble
- Suitable For: Cosmetic formulation use only
- 100% pure
- Certified cosmetic grade
- Approved for use in all types of cosmetics
- Synthetically produced in compliance with cosmetic and personal care regulations
- Magnetic
What it's used for
- Colour soaps, bath bombs, and bath salts
- Add depth to lotions, shower gels, and shampoos
- Create earthy, muted, and natural-looking tones
- Blend with red, yellow, and brown iron oxides for custom shades
- Lighten with titanium dioxide to create softer grey or muted tones
- Use in a wide range of DIY cosmetic and personal care projects
Who it's for
- Formulators creating earthy or natural-looking colour palettes
- Makers colouring soaps, bath products, and cosmetics
- Anyone building custom shades with mineral pigments
- Direct use without proper dispersion
- Formulas that require a water-soluble colourant
- Anyone looking for bright, neon, or highly vivid colour results
This Product Is For:
This Product Is Not For:
How to use
- As a Cosmetic Colourant: Disperse into your formulation using a method suited to the product type and base.
- As a Shade Adjuster: Add in small amounts to deepen other colours or mute brighter tones.
- As a Blend Pigment: Combine with other iron oxides to create a wider range of natural-looking shades.
- Processing Tip: Start low and build gradually, as black oxide can quickly dominate a colour blend.
Safety instructions
- For cosmetic formulation use only
- Do not ingest
- Avoid inhaling the powder
- Avoid contact with eyes
- Wear suitable protective gear when handling fine powders
- Store tightly sealed in a cool, dry place
Faqs
Q: Will black iron oxide create a bright true black?
A: It usually creates a deeper, earthier tone rather than a bright or intensely vivid black.
For Your Safety
This natural product is for external use only. Please exercise caution and do not ingest or take internally. Store away from children, animals, sunlight and heat. If pregnant or breastfeeding, please consult with your medical care-giver before use.

I'm very happy with this beauty. Made a mascara so nice 🙂
Very pigmented, absolutely love it. I will be buying more without a doubt
I wanted a colorant for my soaps and this works great!
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