Question 1

What does Black 2 [NANO] do in a cosmetic formula?

Accepted Answer

It is a high-opacity particulate colorant used to deepen shade and opacity in eye makeup, mascaras, liners, nail products, and other pigmented formulas.

Question 2

Is Black 2 [NANO] clean?

Accepted Answer

Clean frameworks often flag it because the nano form raises particle-size disclosure questions and because inhalation exposure is treated differently from dermal use. In regulated colorant use, it is generally considered acceptable on intact skin when purity specifications and non-inhalable product formats are met.

Question 3

Is Black 2 [NANO] sustainable?

Accepted Answer

This material is typically made from fossil-derived feedstocks through high-temperature combustion processes, so its sourcing and energy profile are not especially aligned with renewable chemistry. It is an inert elemental particulate that does not readily biodegrade and can persist as a fine solid in the environment.

Question 4

Is Black 2 [NANO] COSMOS-approved?

Accepted Answer

Because this is a nano-scale material, it is not aligned with COSMOS-natural or COSMOS-organic certification, which generally does not allow nanomaterials in certified products. Its fossil-derived manufacture, persistence, and limited biodegradability make it a weak fit with Green Chemistry principles.

Question 5

How does Black 2 [NANO] work chemically?

Accepted Answer

This material is an elemental, graphitic-to-amorphous particulate with primary particle sizes in the nanoscale range and very high light absorption, which is why small additions give strong shade payoff. EU cosmetic rules allow it as a colorant up to 10% with purity specifications, and use is limited to formats that do not create lung exposure by inhalation.