Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
STOP

COLOR VIBE

Nail Polish With Hardeners – Back To Black

Last verified: February 20, 2026

Nail Polish

  • Butyl Acetate
  • Ethyl Acetate
  • Acrylates Copolymer
  • Nitrocellulose
  • Acetyl Tributyl Citrate
  • Isopropyl Alcohol
  • Stearalkonium Hectorite
  • Alcohol
  • Denatonium Benzoate
  • May Contain: Titanium Dioxide (CI 77891)
  • Mica (CI 77019)
  • Yellow 10 Lake (CI 47005)
  • Orange 5 (CI 45370)
  • Violet 2 (CI 60730)
  • Blue 1 Lake (CI 42090)
  • Red 6 Lake (CI 15850)
  • Red 7 Lake (CI 15850)
  • Red 22 Lake (CI 45380)
  • Red 28 Lake (CI 45410)
  • Black 2 (CI 77266) [Nano]
  • Ultramarines (CI 77007)
  • Aluminum Powder (CI 77000)

Why This Product is Rated STOP

Nail Polish With Hardeners – Back To Black by COLOR VIBE has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

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