What is the NOAEL for Lawsonia inermis, extract?
Lawsonia inermis, extract has 80 NOAEL studies in the database. The lowest reported value is 0.00833 mg/kg bw/d via dermal. Source: SCCS_vision_codex.
Also known as: Henna
CAS 84988-66-9
Lawsonia inermis, extract (CAS 84988-66-9) is a chemical substance. Key regulatory status: REACH registered, 5 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, SCCS, ECHA REACH.
View cosmetic safety profile for Lawsonia Inermis Leaf Extract →
CAS, identifiers, formula, and alternate names for the matched substance record.
Industrial and product-use categories associated with this substance.
Inventory, screening, and regulatory list matches from public chemical databases.
| List | Keyword | Source |
|---|---|---|
| Personal care | FDA | United States Food and Drug Administration (FDA) |
| Europe; Personal care - hair coloring | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care - hair coloring | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care - hair coloring | Danish Environmental Protection Agency | Danish EPA |
| Europe; Personal care - hair coloring | Danish Environmental Protection Agency | Danish EPA |
Toxicology endpoints rendered from public NOAEL study rows.
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 200 | mg/kg/day | - | - | rat | UnifiedCodex:SCCS_SHADOW:beta.noael_studies |
| 200 | mg/kg/day | - | - | rat | UnifiedCodex:SCCS_SHADOW:beta.noael_studies |
| =0.00833 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =0.00833 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =0.00833 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =0.00833 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =2 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =2 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =2 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =2 | mg/kg bw/d | NOAEL | dermal | - | SCCS_vision_codex |
| =7 | mg/kg bw | NOAEL | oral | rat | SCCS_vision_codex |
| =7 | mg/kg bw | NOAEL | oral | rat | SCCS_vision_codex |
| =7 | mg/kg bw | NOAEL | oral | rat | SCCS_vision_codex |
| =7 | mg/kg bw | NOAEL | oral | rat | SCCS_vision_codex |
| =20 | % | NOAEL | dermal | rabbit | SCCNFP_vision_codex |
| =20 | % | NOAEL | dermal | rabbit | SCCNFP_vision_codex |
| =20 | % | NOAEL | dermal | rabbit | SCCNFP_vision_codex |
| =20 | % | NOAEL | dermal | rabbit | SCCNFP_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCS_vision_codex |
| =40 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCNFP_vision_codex |
| =40 | mg/kg/day | NOAEL | oral | rat | SCCNFP_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCS_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCS_vision_codex |
| =40 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =40 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCNFP_vision_codex |
| =40 | mg/kg/day | NOAEL | oral | rat | SCCNFP_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCNFP_vision_codex |
| =40 | mg/kg/day | NOAEL | oral | rat | SCCNFP_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCS_vision_codex |
| =40 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =40 | mg/kg bw | NOAEL | - | - | SCCNFP_vision_codex |
| =40 | mg/kg/day | NOAEL | oral | rat | SCCNFP_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCNFP_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCNFP_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCNFP_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCS_vision_codex |
| =200 | mg/kg bw/day | NOAEL | oral | rat | SCCS_vision_codex |
| =200 | mg/kg/day | NOAEL | - | rat | SCCNFP_vision_codex |
Showing 50 of 80 studies
Registration status from the ECHA REACH registered substances database.
| Status | Name | EC Number | Link |
|---|---|---|---|
| Registered | Lawsonia inermis, ext. | 284-854-1 | ECHA overview → |
Australian industrial chemicals inventory status and applicable conditions.
EU Scientific Committee opinions tied to the matched substance.
| Opinion | Date | Conclusion | Max Conc. | Concerns |
|---|---|---|---|---|
| SCCS/1511/13 | 19 September 2013 | safe | 20% powder (max 1.4% lawsone) | weak sensitisation; genotoxicity of lawsone |
| SCCP/0943/05 | 13 December 2005 | safe | N/A (per national tradition) | sensitisation; presence of lawsone; further data on genotoxicity of lawsone recommended |
Same-CAS cosmetic ingredient record for cross-vertical context.
Lawsonia inermis, extract has 80 NOAEL studies in the database. The lowest reported value is 0.00833 mg/kg bw/d via dermal. Source: SCCS_vision_codex.
Lawsonia inermis, extract appears on 2 regulatory/inventory lists including Personal care, Europe; Personal care - hair coloring. Source: EPA CPDat.
Yes, Lawsonia inermis, extract is also indexed as a cosmetic ingredient under the name Lawsonia Inermis Leaf Extract. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Lawsonia inermis, extract also appears in cosmetics databases.