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Heavy Metal Index

New Zealand Cosmetic Products Group Standard - heavy-metal entries

Scope The loaded rows cover Schedule 6 impurity requirements for carbon black and carbon black (nano) colouring agents used in cosmetic products, and Schedule 7 mercury-preservative entries for eye products.

Scope

The loaded rows cover Schedule 6 impurity requirements for carbon black and carbon black (nano) colouring agents used in cosmetic products, and Schedule 7 mercury-preservative entries for eye products. The Group Standard also contains many prohibited, restricted, preservative, and UV-filter entries that are not converted to finished-product HMI rows unless a routeable numeric metal value is stated.

Exact limit and units

MetalMatrixLimitUnitBasis
Total arsenic (As)Carbon black and carbon black (nano) colourants⇐ 3ppmcolourant impurity profile
Total lead (Pb)Carbon black and carbon black (nano) colourants⇐ 10ppmcolourant impurity profile
Total mercury (Hg)Carbon black and carbon black (nano) colourants⇐ 1ppmcolourant impurity profile
Mercury (Hg)Thiomersal in eye products0.007% of mercurypreservative concentration
Mercury (Hg)Phenylmercuric salts in eye products0.007% of mercurypreservative concentration

How tested

The Group Standard states schedule conditions and concentration limits but does not print a dedicated analytical method for these heavy-metal schedule entries in the extracted text.

Enforcement posture

Cosmetic products covered by the Group Standard must comply with the applicable Schedule 4 to 8 restrictions and conditions. Nonconforming components, colouring agents, preservatives, or UV filters fall outside the allowed group-standard conditions.

History of changes

The Cosmetic Products Group Standard 2020 was issued under the HSNO Act and the source is consolidated and current as of 1 January 2026. The regulatory history table shows the 2024 amendment commencing on 1 January 2026 and the 2025 correction commencing on 31 December 2025.

How it compares

The carbon black rows are colourant impurity limits, not general finished-product cosmetic limits. The eye-product row is a preservative-use limit and should not be used as a general mercury allowance for cosmetics.

Sources

Update history

No substantive edit history is available in this build. The full commit record is available in git.