Sienna
Onyx
10ml


Onyx
10ml
Charcoal natural nail varnish
With the chicest charcoal finish, Onyx is formulated with Sienna's plant-based ingredients and free from the harsh chemicals conventional polishes depend on.
- Made with all natural ingredients
- World first formula without nanoparticles or benzophenone
- Clean, ethical, sustainable nail care
Ingredients
- Ethyl Acetate (Biosourced: Derived From Sugar Cane)
- Butyl Acetate (Biosourced: Derived From Sugar Cane Residue Or Manioc)
- Nitrocellulose (Partially Biosourced: Derived From Cotton)
- Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer
- Acetyl Tributyl Citrate (Partially Biosourced: Derived From Corn)
- Alcohol (Biosourced: Derived From Sugar Cane)
- Isopropyl Alcohol
- Stearalkonium Bentonite
- Trimethylsiloxysilicate
- N-Butyl Alcohol
- Phosphoric Acid
- Sucrose Acetate Isobutyrate
- Diacetone Alcohol
- Dimethicone
- Acrylates Copolymer
** naturally occurring from essential oils
How to use
Apply as desired, sealing with Sienna's Glossy Top Coat.
Source & integrity
Certified vegan and cruelty-free. Sienna is 100% vegan and cruelty-free, with certifications that support this commitment.
Considered ingredients and lower-waste formulation. Sienna’s plant-based polish formula is benzo-free, glitter-free, and nano-particle-free, with raw ingredients including sugar cane, manioc, cotton, and corn. Many of these ingredients are selected for their little to no waste by-product, while the nail polish remover is made with only three ingredients, including horsetail plant extract.
Renewable energy, responsible production, and recyclable packaging. Sienna runs its head office and warehouse on 100% renewable energy, sourced through an ethical power company with strong environmental and community credentials. Production takes place directly with raw ingredient manufacturers in France, helping reduce the brand’s carbon footprint, and all packaging is 100% recyclable, with an in-house recycling program for returned empties.









