| SCCS_vision_codex |
NOAEL |
=1 |
- |
rat |
- |
- |
NOAEL study |
{"citation":"Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group","dose":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed.","effect":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed. In the liver, increased incidence and/or severity of haemosiderin deposits mainly stored in macrophages was observed. In addition haemopoietic cell foci increased in incidence of the high dose females; this was considered by the study authors to be adaptive in nature. Conclusion Due to the changes in haematological parameters and the correlated histological findings in the spleen, the NOEL of Acid Black 1 could not be established. Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group. The SCCS agrees with the conclusion of the study authors Study 2 Guideline: OECD 408 (1998) Species/strain: rat, HanBrl:WIST (SPF) Group size: 100 (group 1 and 4: 15 per sex and per dose; group 2 and 3: 10 per sex and per dose) Recovery group: 5 per sex and per dose (control and high dose group) Test","page":18,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_001"} |
| SCCS_vision_codex |
NOAEL |
=5 |
mg/kg/day |
- |
- |
90-day |
NOAEL study |
{"citation":"Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (stud","dose":"Alpha-1-globulin levels were also significantly reduced at the high dose.","effect":"riglycerides were significantly lower and outside the lower historic control range. The levels rose during the recovery phase but not to levels comparable to the controls. The study authors suggested that this was due to metabolic changes in the liver. Alpha-1-globulin levels were also significantly reduced at the high dose. Absolute or relative organ weights were comparable with the controls. No substance related macroscopic or adverse microscopic findings were noted. Conclusion The study authors considered the NOAEL for Acid Black 1 to be 5 mg/kg/day (4.7 mg active dye/kg bw/day) on the basis of the minimal reduction of haemoglobin accompanied by “left- shifting” of reticulocyte maturity indices without compensatory reticulocytosis. Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (study 2) and high-dose (study 1) 90-day studies in general, e.g. RBC decreased in high-dose study, but increased or","page":19,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_002"} |
| SCCS_vision_codex |
NOAEL |
=40 |
mg/kg bw/day |
human |
- |
- |
developmental toxicity |
{"citation":"Ref.: 9 3","dose":"ndings At the high dose, reduced foetal body weight (13%) was noted.","effect":"ndings At the high dose, reduced foetal body weight (13%) was noted. Consequently, though statistically significant differences in skeletal ossification were seen, these were considered to be due to delayed maturation and not evidence of a teratogenic potential. The frequency of other foetal abnormalities noted during external examination, visceral examination or skeletal examination were comparable with the controls at all doses. Conclusion Based on this study, the maternal and foetal No-Observable-Effect-Level (NOEL) of Acid Black 1 was considered to be 40 mg/kg bw/day (38 mg active dye/kg bw/day). Ref.: 9 3.3.9 Toxicokinetics No data submitted 3.3.10 Photo-induced toxicity 3.3.10.1 Phototoxicity / photoirritation and photosensitisation No data submitted 3.3.10.2 Phototoxicity / photomutagenicity / photoclastogenicity No data submitted 3.3.11 Human data 40 hairdressers with a known relevant allergy to 4-phenylenediamine (PPD) and or 2,5- diaminotoluene sulphate (DTS) and/or 2-nitro-4-phenylenediamine (ONPPD) and a hi","page":27,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_003"} |
| SCCS_vision_codex |
NOAEL |
=0.78 |
mg/kg bw/d |
rat |
oral |
90-day |
dermal absorption |
{"dose":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse e...","effect":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse effect level LOAEL = 4.7 mg/kg bw/d (90-day, oral, rat) 50% bioavailability * = 2.35 mg/kg bw/d Uncertainty factor for LOAEL (3) = 0.78 mg/kg bw/d Margin of Safety NOAEL / SED = 522 * standard procedure according to the SCCS's Notes of Guidance for the testing of cosmetic ingredients and their safety evaluation. 3.3.14 Discussion Acid Black 1 is used as a direct hair colouring agent up to an on-head concentration of 0.5% in non-oxidative hair dye formulations. Acid Black 1 is also listed in Annex IV – List of colouring agents allowed for use in cosmetic products – to Directive 76/768/EEC on cosmetic products, column 4: colouring agents","page":28,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_004"} |
| SCCS_vision_codex |
NOAEL |
=0.5 |
% |
mouse |
oral |
90-day |
dermal absorption |
{"effect":"CC-CCR, Roßdorf, Study nr 665302, 11 August 2000 19. Honarvar N. LLNA in mice with Acid Black 1. RCC-CCR, Roßdorf, Study nr 870100, 21 February 2005 20. Contact Sensitisation: Classification according to Potency. ECETOX, Technical Report No. 87, April 2003 21. Hair dye sensitized hairdressers: the cross reaction pattern with new generation hair dyes. Fautz R, Fuchs A, van der Walle H, Contact Dermatitis, 46, 2002: 319-324 Submission III, 2012 • Wolfgang Dekant, Professor of Toxicology; Würzburg: Derivation of a NOAEL for Acid Black 1 from the results of the two available 90-day oral toxicity studies; October 2010 • Charles River Report No. 32319; Craig Blackstock, January 2012; the in vitro percutaneous absorption of radiolabelled Acid Black 1 (B015) at two concentrations (0.5%, w/w and 0.2% w/w) in a Non-Oxidative Hair Dye Formulation Through Human Skin • Fautz R., Fuchs A., van der Walle H., Hair dye sensitized hairdressers; cross reaction pattern with new generation of hair dyes; Contact Dermatitis, 46, 2002: 319-324 Addi","page":32,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_006"} |
| SCCS_vision_codex |
NOAEL |
=1 |
- |
rat |
- |
- |
NOAEL study |
{"citation":"Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group","dose":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed.","effect":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed. In the liver, increased incidence and/or severity of haemosiderin deposits mainly stored in macrophages was observed. In addition haemopoietic cell foci increased in incidence of the high dose females; this was considered by the study authors to be adaptive in nature. Conclusion Due to the changes in haematological parameters and the correlated histological findings in the spleen, the NOEL of Acid Black 1 could not be established. Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group. The SCCS agrees with the conclusion of the study authors Study 2 Guideline: OECD 408 (1998) Species/strain: rat, HanBrl:WIST (SPF) Group size: 100 (group 1 and 4: 15 per sex and per dose; group 2 and 3: 10 per sex and per dose) Recovery group: 5 per sex and per dose (control and high dose group) Test","page":18,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_001"} |
| SCCS_vision_codex |
NOAEL |
=5 |
mg/kg/day |
- |
- |
90-day |
NOAEL study |
{"citation":"Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (stud","dose":"Alpha-1-globulin levels were also significantly reduced at the high dose.","effect":"riglycerides were significantly lower and outside the lower historic control range. The levels rose during the recovery phase but not to levels comparable to the controls. The study authors suggested that this was due to metabolic changes in the liver. Alpha-1-globulin levels were also significantly reduced at the high dose. Absolute or relative organ weights were comparable with the controls. No substance related macroscopic or adverse microscopic findings were noted. Conclusion The study authors considered the NOAEL for Acid Black 1 to be 5 mg/kg/day (4.7 mg active dye/kg bw/day) on the basis of the minimal reduction of haemoglobin accompanied by “left- shifting” of reticulocyte maturity indices without compensatory reticulocytosis. Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (study 2) and high-dose (study 1) 90-day studies in general, e.g. RBC decreased in high-dose study, but increased or","page":19,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_002"} |
| SCCS_vision_codex |
NOAEL |
=40 |
mg/kg bw/day |
human |
- |
- |
developmental toxicity |
{"citation":"Ref.: 9 3","dose":"ndings At the high dose, reduced foetal body weight (13%) was noted.","effect":"ndings At the high dose, reduced foetal body weight (13%) was noted. Consequently, though statistically significant differences in skeletal ossification were seen, these were considered to be due to delayed maturation and not evidence of a teratogenic potential. The frequency of other foetal abnormalities noted during external examination, visceral examination or skeletal examination were comparable with the controls at all doses. Conclusion Based on this study, the maternal and foetal No-Observable-Effect-Level (NOEL) of Acid Black 1 was considered to be 40 mg/kg bw/day (38 mg active dye/kg bw/day). Ref.: 9 3.3.9 Toxicokinetics No data submitted 3.3.10 Photo-induced toxicity 3.3.10.1 Phototoxicity / photoirritation and photosensitisation No data submitted 3.3.10.2 Phototoxicity / photomutagenicity / photoclastogenicity No data submitted 3.3.11 Human data 40 hairdressers with a known relevant allergy to 4-phenylenediamine (PPD) and or 2,5- diaminotoluene sulphate (DTS) and/or 2-nitro-4-phenylenediamine (ONPPD) and a hi","page":27,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_003"} |
| SCCS_vision_codex |
NOAEL |
=0.78 |
mg/kg bw/d |
rat |
oral |
90-day |
dermal absorption |
{"dose":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse e...","effect":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse effect level LOAEL = 4.7 mg/kg bw/d (90-day, oral, rat) 50% bioavailability * = 2.35 mg/kg bw/d Uncertainty factor for LOAEL (3) = 0.78 mg/kg bw/d Margin of Safety NOAEL / SED = 522 * standard procedure according to the SCCS's Notes of Guidance for the testing of cosmetic ingredients and their safety evaluation. 3.3.14 Discussion Acid Black 1 is used as a direct hair colouring agent up to an on-head concentration of 0.5% in non-oxidative hair dye formulations. Acid Black 1 is also listed in Annex IV – List of colouring agents allowed for use in cosmetic products – to Directive 76/768/EEC on cosmetic products, column 4: colouring agents","page":28,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_004"} |
| SCCS_vision_codex |
NOAEL |
=0.5 |
% |
mouse |
oral |
90-day |
dermal absorption |
{"effect":"CC-CCR, Roßdorf, Study nr 665302, 11 August 2000 19. Honarvar N. LLNA in mice with Acid Black 1. RCC-CCR, Roßdorf, Study nr 870100, 21 February 2005 20. Contact Sensitisation: Classification according to Potency. ECETOX, Technical Report No. 87, April 2003 21. Hair dye sensitized hairdressers: the cross reaction pattern with new generation hair dyes. Fautz R, Fuchs A, van der Walle H, Contact Dermatitis, 46, 2002: 319-324 Submission III, 2012 • Wolfgang Dekant, Professor of Toxicology; Würzburg: Derivation of a NOAEL for Acid Black 1 from the results of the two available 90-day oral toxicity studies; October 2010 • Charles River Report No. 32319; Craig Blackstock, January 2012; the in vitro percutaneous absorption of radiolabelled Acid Black 1 (B015) at two concentrations (0.5%, w/w and 0.2% w/w) in a Non-Oxidative Hair Dye Formulation Through Human Skin • Fautz R., Fuchs A., van der Walle H., Hair dye sensitized hairdressers; cross reaction pattern with new generation of hair dyes; Contact Dermatitis, 46, 2002: 319-324 Addi","page":32,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_006"} |
| SCCS_vision_codex |
NOAEL |
=1 |
- |
rat |
- |
- |
NOAEL study |
{"citation":"Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group","dose":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed.","effect":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed. In the liver, increased incidence and/or severity of haemosiderin deposits mainly stored in macrophages was observed. In addition haemopoietic cell foci increased in incidence of the high dose females; this was considered by the study authors to be adaptive in nature. Conclusion Due to the changes in haematological parameters and the correlated histological findings in the spleen, the NOEL of Acid Black 1 could not be established. Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group. The SCCS agrees with the conclusion of the study authors Study 2 Guideline: OECD 408 (1998) Species/strain: rat, HanBrl:WIST (SPF) Group size: 100 (group 1 and 4: 15 per sex and per dose; group 2 and 3: 10 per sex and per dose) Recovery group: 5 per sex and per dose (control and high dose group) Test","page":18,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_001"} |
| SCCS_vision_codex |
NOAEL |
=5 |
mg/kg/day |
- |
- |
90-day |
NOAEL study |
{"citation":"Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (stud","dose":"Alpha-1-globulin levels were also significantly reduced at the high dose.","effect":"riglycerides were significantly lower and outside the lower historic control range. The levels rose during the recovery phase but not to levels comparable to the controls. The study authors suggested that this was due to metabolic changes in the liver. Alpha-1-globulin levels were also significantly reduced at the high dose. Absolute or relative organ weights were comparable with the controls. No substance related macroscopic or adverse microscopic findings were noted. Conclusion The study authors considered the NOAEL for Acid Black 1 to be 5 mg/kg/day (4.7 mg active dye/kg bw/day) on the basis of the minimal reduction of haemoglobin accompanied by “left- shifting” of reticulocyte maturity indices without compensatory reticulocytosis. Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (study 2) and high-dose (study 1) 90-day studies in general, e.g. RBC decreased in high-dose study, but increased or","page":19,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_002"} |
| SCCS_vision_codex |
NOAEL |
=40 |
mg/kg bw/day |
human |
- |
- |
developmental toxicity |
{"citation":"Ref.: 9 3","dose":"ndings At the high dose, reduced foetal body weight (13%) was noted.","effect":"ndings At the high dose, reduced foetal body weight (13%) was noted. Consequently, though statistically significant differences in skeletal ossification were seen, these were considered to be due to delayed maturation and not evidence of a teratogenic potential. The frequency of other foetal abnormalities noted during external examination, visceral examination or skeletal examination were comparable with the controls at all doses. Conclusion Based on this study, the maternal and foetal No-Observable-Effect-Level (NOEL) of Acid Black 1 was considered to be 40 mg/kg bw/day (38 mg active dye/kg bw/day). Ref.: 9 3.3.9 Toxicokinetics No data submitted 3.3.10 Photo-induced toxicity 3.3.10.1 Phototoxicity / photoirritation and photosensitisation No data submitted 3.3.10.2 Phototoxicity / photomutagenicity / photoclastogenicity No data submitted 3.3.11 Human data 40 hairdressers with a known relevant allergy to 4-phenylenediamine (PPD) and or 2,5- diaminotoluene sulphate (DTS) and/or 2-nitro-4-phenylenediamine (ONPPD) and a hi","page":27,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_003"} |
| SCCS_vision_codex |
NOAEL |
=0.78 |
mg/kg bw/d |
rat |
oral |
90-day |
dermal absorption |
{"dose":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse e...","effect":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse effect level LOAEL = 4.7 mg/kg bw/d (90-day, oral, rat) 50% bioavailability * = 2.35 mg/kg bw/d Uncertainty factor for LOAEL (3) = 0.78 mg/kg bw/d Margin of Safety NOAEL / SED = 522 * standard procedure according to the SCCS's Notes of Guidance for the testing of cosmetic ingredients and their safety evaluation. 3.3.14 Discussion Acid Black 1 is used as a direct hair colouring agent up to an on-head concentration of 0.5% in non-oxidative hair dye formulations. Acid Black 1 is also listed in Annex IV – List of colouring agents allowed for use in cosmetic products – to Directive 76/768/EEC on cosmetic products, column 4: colouring agents","page":28,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_004"} |
| SCCS_vision_codex |
NOAEL |
=0.5 |
% |
mouse |
oral |
90-day |
dermal absorption |
{"effect":"CC-CCR, Roßdorf, Study nr 665302, 11 August 2000 19. Honarvar N. LLNA in mice with Acid Black 1. RCC-CCR, Roßdorf, Study nr 870100, 21 February 2005 20. Contact Sensitisation: Classification according to Potency. ECETOX, Technical Report No. 87, April 2003 21. Hair dye sensitized hairdressers: the cross reaction pattern with new generation hair dyes. Fautz R, Fuchs A, van der Walle H, Contact Dermatitis, 46, 2002: 319-324 Submission III, 2012 • Wolfgang Dekant, Professor of Toxicology; Würzburg: Derivation of a NOAEL for Acid Black 1 from the results of the two available 90-day oral toxicity studies; October 2010 • Charles River Report No. 32319; Craig Blackstock, January 2012; the in vitro percutaneous absorption of radiolabelled Acid Black 1 (B015) at two concentrations (0.5%, w/w and 0.2% w/w) in a Non-Oxidative Hair Dye Formulation Through Human Skin • Fautz R., Fuchs A., van der Walle H., Hair dye sensitized hairdressers; cross reaction pattern with new generation of hair dyes; Contact Dermatitis, 46, 2002: 319-324 Addi","page":32,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_006"} |
| SCCS_vision_codex |
NOAEL |
=1 |
- |
rat |
- |
- |
NOAEL study |
{"citation":"Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group","dose":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed.","effect":"e of lymphoid foci and tubular mineralization in high dose males, and of pelvic mineralization in high dose females were observed. In the liver, increased incidence and/or severity of haemosiderin deposits mainly stored in macrophages was observed. In addition haemopoietic cell foci increased in incidence of the high dose females; this was considered by the study authors to be adaptive in nature. Conclusion Due to the changes in haematological parameters and the correlated histological findings in the spleen, the NOEL of Acid Black 1 could not be established. Ref.: 6 Comment Regarding the changes in haematological parameters, the SCCS noted that only reticulocytosis was statistically significantly changed in the low dose group. The SCCS agrees with the conclusion of the study authors Study 2 Guideline: OECD 408 (1998) Species/strain: rat, HanBrl:WIST (SPF) Group size: 100 (group 1 and 4: 15 per sex and per dose; group 2 and 3: 10 per sex and per dose) Recovery group: 5 per sex and per dose (control and high dose group) Test","page":18,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_001"} |
| SCCS_vision_codex |
NOAEL |
=5 |
mg/kg/day |
- |
- |
90-day |
NOAEL study |
{"citation":"Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (stud","dose":"Alpha-1-globulin levels were also significantly reduced at the high dose.","effect":"riglycerides were significantly lower and outside the lower historic control range. The levels rose during the recovery phase but not to levels comparable to the controls. The study authors suggested that this was due to metabolic changes in the liver. Alpha-1-globulin levels were also significantly reduced at the high dose. Absolute or relative organ weights were comparable with the controls. No substance related macroscopic or adverse microscopic findings were noted. Conclusion The study authors considered the NOAEL for Acid Black 1 to be 5 mg/kg/day (4.7 mg active dye/kg bw/day) on the basis of the minimal reduction of haemoglobin accompanied by “left- shifting” of reticulocyte maturity indices without compensatory reticulocytosis. Ref.: 7 SCCS comments to the two 90-day studies: The SCCS has revealed some inconsistencies between the results of various haematological parameters in male animals in the low-dose (study 2) and high-dose (study 1) 90-day studies in general, e.g. RBC decreased in high-dose study, but increased or","page":19,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_002"} |
| SCCS_vision_codex |
NOAEL |
=40 |
mg/kg bw/day |
human |
- |
- |
developmental toxicity |
{"citation":"Ref.: 9 3","dose":"ndings At the high dose, reduced foetal body weight (13%) was noted.","effect":"ndings At the high dose, reduced foetal body weight (13%) was noted. Consequently, though statistically significant differences in skeletal ossification were seen, these were considered to be due to delayed maturation and not evidence of a teratogenic potential. The frequency of other foetal abnormalities noted during external examination, visceral examination or skeletal examination were comparable with the controls at all doses. Conclusion Based on this study, the maternal and foetal No-Observable-Effect-Level (NOEL) of Acid Black 1 was considered to be 40 mg/kg bw/day (38 mg active dye/kg bw/day). Ref.: 9 3.3.9 Toxicokinetics No data submitted 3.3.10 Photo-induced toxicity 3.3.10.1 Phototoxicity / photoirritation and photosensitisation No data submitted 3.3.10.2 Phototoxicity / photomutagenicity / photoclastogenicity No data submitted 3.3.11 Human data 40 hairdressers with a known relevant allergy to 4-phenylenediamine (PPD) and or 2,5- diaminotoluene sulphate (DTS) and/or 2-nitro-4-phenylenediamine (ONPPD) and a hi","page":27,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_003"} |
| SCCS_vision_codex |
NOAEL |
=0.78 |
mg/kg bw/d |
rat |
oral |
90-day |
dermal absorption |
{"dose":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse e...","effect":"e MoS) CALCULATION OF THE MARGIN OF SAFETY (Acid Black 1) (non-oxidative conditions) Absorption through the skin A = 0.16 µg/cm² Skin Area surface SAS = 580 cm² Dermal absorption per treatment SAS x A x 0.001 = 0.09 mg Typical body weight of human = 60 kg Systemic exposure dose (SED) SAS x A x 0.001/60 = 0.0015 mg/kg bw Lowest observed adverse effect level LOAEL = 4.7 mg/kg bw/d (90-day, oral, rat) 50% bioavailability * = 2.35 mg/kg bw/d Uncertainty factor for LOAEL (3) = 0.78 mg/kg bw/d Margin of Safety NOAEL / SED = 522 * standard procedure according to the SCCS's Notes of Guidance for the testing of cosmetic ingredients and their safety evaluation. 3.3.14 Discussion Acid Black 1 is used as a direct hair colouring agent up to an on-head concentration of 0.5% in non-oxidative hair dye formulations. Acid Black 1 is also listed in Annex IV – List of colouring agents allowed for use in cosmetic products – to Directive 76/768/EEC on cosmetic products, column 4: colouring agents","page":28,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_004"} |
| SCCS_vision_codex |
NOAEL |
=0.5 |
% |
mouse |
oral |
90-day |
dermal absorption |
{"effect":"CC-CCR, Roßdorf, Study nr 665302, 11 August 2000 19. Honarvar N. LLNA in mice with Acid Black 1. RCC-CCR, Roßdorf, Study nr 870100, 21 February 2005 20. Contact Sensitisation: Classification according to Potency. ECETOX, Technical Report No. 87, April 2003 21. Hair dye sensitized hairdressers: the cross reaction pattern with new generation hair dyes. Fautz R, Fuchs A, van der Walle H, Contact Dermatitis, 46, 2002: 319-324 Submission III, 2012 • Wolfgang Dekant, Professor of Toxicology; Würzburg: Derivation of a NOAEL for Acid Black 1 from the results of the two available 90-day oral toxicity studies; October 2010 • Charles River Report No. 32319; Craig Blackstock, January 2012; the in vitro percutaneous absorption of radiolabelled Acid Black 1 (B015) at two concentrations (0.5%, w/w and 0.2% w/w) in a Non-Oxidative Hair Dye Formulation Through Human Skin • Fautz R., Fuchs A., van der Walle H., Hair dye sensitized hairdressers; cross reaction pattern with new generation of hair dyes; Contact Dermatitis, 46, 2002: 319-324 Addi","page":32,"pdf":"sccs_o_148.pdf","row_type":"noael_study","study_id":"sccs_o_148_noael_006"} |