Overview
This page is a scaffolded entry for HMTc Taxonomy v2.0 Category 14 (Cosmetics and Personal Care — Rinse-off), Row 9: Hair dye/color rinses (rinse-off after processing). Studies for this row are still being read. Where a section is empty, the row has not yet accumulated contributing sources of the required kind.
Literature scope
The Heavy Metal Index source corpus is currently focused on food and food-contact materials. This page documents an HMTc Taxonomy v2.0 row in the category Cosmetics and Personal Care — Rinse-off for which no peer-reviewed primary or government sources have yet been ingested. The page exists as the routing destination for future ingest. Until sources land, the literature-evidence sections below are deliberately empty rather than guessed; HMTc certification thresholds for products in this row continue to be developed under the certification program at heavymetalcertified.com, not on this public page.
Reading guide
Legal, regulatory and retailer teams can use the cited measurements, applicable limits and study limitations to assess the evidence for this category.
Quality teams can examine product form, measurement basis and sources of variation. Journalists and researchers can follow each reference to the original findings and methods.
Related tools and pages: heavymetalcertified.com · methodology
Evidence summary
Sources for this row will be listed here once they are catalogued.
Source Evidence Inventory
Sources for this row will be listed here once they are catalogued.
Supporting evidence and scope
Broader-scope sources for this row will be listed here when they are catalogued.
Federal/Regulatory Limits vs Field Findings
Regulatory limits for this row will be listed here once they are catalogued.
Controls and mitigation
Practical interventions to reduce heavy-metal load in this row, ordered by impact magnitude. Each lever names the magnitude of the effect with a cited source; cross-links to dedicated Mitigation pages where they exist.
- Sourcing levers — Not yet catalogued.
- Agronomic levers — Not yet catalogued. (See Agronomic mitigation for general agronomic mitigation context.)
- Processing levers — Not yet catalogued. (See Processing mitigation.)
- Formulation levers — Not yet catalogued. (See Formulation mitigation.)
- Testing and QC levers — Not yet catalogued. (See Testing and quality-control mitigation when published.)
- Packaging and storage levers — Not yet catalogued. (See Packaging and storage mitigation when published.)
How standards math uses this page
HMT&C certification thresholds for this row are developed under the certification program at heavymetalcertified.com, not on this page. The row-standard for this row is an aggregate computed from the contributing source pool in the row’s native finished-product basis; it is not a per-source decoration of any single value cited on this page. This public page reports literature evidence only.
Historical recalls and enforcement
Public regulatory events for this row, such as recalls and import alerts, will be listed here as they are catalogued.
Methodology
This page reports what the cited sources say about heavy-metal concentrations in hair dye/color rinses (rinse-off after processing). Speciation is non-substitutable (iAs vs tAs, MeHg vs tHg, Cr-VI vs total Cr). Basis is preserved (finished-product as sold unless the source specifies otherwise; see each row for the basis label). Non-detect handling follows each source’s reporting convention. Pooling is avoided across LOD/LOQ, period, geography, and analytical-basis differences. HMT&C certification thresholds for products in this row are developed under the certification program at heavymetalcertified.com, not on this page; this public page reports literature evidence only.
The applicable regulatory jurisdictions for this row are: FDA cosmetics, EU Cosmetics Regulation 1223/2009.
Sources
Sources for this row will be listed here once they are catalogued.
Sources
Source records associated with this topic. Inclusion does not establish that every finding applies to this product or ingredient. References above identify works cited in the text.
| # | Citation | Year | Type | Used on this page for |
|---|---|---|---|---|
| 1 | Yorgwara et al. 2026. Assessment of Heavy Metal Concentration in Some Selected Cosmetic Products and Human Health Risk in Eleme LGA, Rivers State, Nigeria, Research Journal of Pure Science and Technology 9(2):20-37 | 2026 | Peer-reviewed | NG Pb, Cd, Cr, tAs, tHg, Co occurrence in Twenty-six cosmetic and personal-care products purchased from cosmetic stores and markets in Eleme LGA, Rivers State, Nigeria, grouped… (n=26) |
| 2 | Benabbes et al. 2021. Determination of Lead and Cadmium in Synthetic and Natural Hair Dyes in Morocco Using Differential Pulse Polarography, Portugaliae Electrochimica Acta 39(1):37-44 | 2021 | Peer-reviewed | MA Pb, Cd occurrence in Sixteen commercial hair dye products purchased from Moroccan markets, comprising 13 synthetic hair dyes classified by the authors… (n=16) |
| 3 | Yashim et al. 2020. Evaluation of Heavy Metals Level in Hair Dyes and their Potential Health Risk, Nigerian Research Journal of Chemical Sciences 8(2):241-251 | 2020 | Peer-reviewed | NG Pb, Cr, Cd, Ni, Cu occurrence in Twenty-five samples of each of four hair-dye product forms purchased from different locations in Samaru market, Zaria, Nigeria;… (n=100) |
| 4 | U.S. Environmental Protection Agency, 2011. Exposure Factors Handbook: 2011 Edition — Chapter 17, Consumer Products, U.S. Environmental Protection Agency, EPA/600/R-09/052F | 2011 | Government report | Chapter 17 of the U.S. EPA’s 2011 Exposure Factors Handbook (EFH) compiles consumer-product use and exposure data — frequency of… |
| 5 | Tjandraatmadja et al. 2010. Sources of contaminants in domestic wastewater: nutrients and additional elements from household products, CSIRO Water for a Healthy Country National Research Flagship Report (Smart Water Fund Round 3 — Project 5), February 2010 (ISSN 1835-095X) | 2010 | Industry | AU Sb, Cr, Co, Mo, Se occurrence in One hundred and fifty-six household and personal-care products purchased from major supermarkets in Melbourne, Australia between February and… (n=156) |
Update history
No substantive edit history is available in this build. The full commit record is available in git.