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Score:
Data available:
 
Limited
Data last updated:
July 2013

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Nioxin System 2 Scalp Therapy

EWG scientists reviewed Nioxin System 2 Scalp Therapy for safety according to the methodology outlined in our Skin Deep Cosmetics Database. We assess the ingredients listed on the labels of personal care products based on data in toxicity and regulatory databases, government and health agency assessments and the open scientific literature. EWG's rating for Nioxin System 2 Scalp Therapy is 6.
Ingredient Concerns:
Overall Hazard
 
 
Cancer
 
 
Developmental &
reproductive toxicity
 
 
Allergies & immunotoxicity
 
 
Use restrictions
 
 

Ingredient Concerns

Ingredient Concerns Score
PROPYLPARABENDevelopmental/reproductive toxicity, Ecotoxicology, Endocrine disruption, Allergies/immunotoxicity, Use restrictions
Data: Limited
METHYLISOTHIAZOLINONEEcotoxicology, Allergies/immunotoxicity, Irritation (skin, eyes, or lungs), Neurotoxicity, Use restrictions
Data: Limited
LECITHINEnhanced skin absorption, Multiple, additive exposure sources, Contamination concerns (NITROSAMINES-in the presence of nitrosating agents), Use restrictions
Data: Fair
METHYLPARABENBiochemical or cellular level changes, Endocrine disruption, Allergies/immunotoxicity, Use restrictions
Data: Limited
PHENOXYETHANOLAllergies/immunotoxicity, Irritation (skin, eyes, or lungs), Organ system toxicity (non-reproductive), Occupational hazards, Use restrictions
Data: Limited
POLYPERFLUOROETHOXYMETHOXY DIFLUOROETHYL PEG PHOSPHATEContamination concerns (ETHYLENE OXIDE, 1,4-DIOXANE), Organ system toxicity (non-reproductive)
Data: None
DIMETHICONEEcotoxicology, Organ system toxicity (non-reproductive), Use restrictions
Data: Limited
CETEARETH-20Enhanced skin absorption, Contamination concerns (ETHYLENE OXIDE, 1,4-DIOXANE, ETHYLENE OXIDE, 1,4-DIOXANE), Use restrictions
Data: Limited
CETRIMONIUM CHLORIDE
CENTRIMONIUM CHLORIDE
Ecotoxicology, Allergies/immunotoxicity, Use restrictions
Data: Fair
SACCHAROMYCES/ ZINC FERMENTOrgan system toxicity (non-reproductive), Persistence and bioaccumulation, Use restrictions
Data: None
PROPYLENE GLYCOLEnhanced skin absorption, Allergies/immunotoxicity, Irritation (skin, eyes, or lungs), Organ system toxicity (non-reproductive), Use restrictions
Data: Fair
DICETYLDIMONIUM CHLORIDEAllergies/immunotoxicity
Data: Limited
SACCHAROMYCES/ IRON FERMENTDevelopmental/reproductive toxicity, Organ system toxicity (non-reproductive), Persistence and bioaccumulation
Data: None
CUPRESSUS SEMPERVIRENSUse restrictions
Data: Limited
PYRIDOXINEMultiple, additive exposure sources
Data: Fair
ORNITHINE HCL
ORNITHINE HCI
Multiple, additive exposure sources
Data: Fair
PHENYLALANINEOrgan system toxicity (non-reproductive)
Data: Fair
TYROSINEOrgan system toxicity (non-reproductive)
Data: Fair
CETYL ALCOHOLEcotoxicology, Organ system toxicity (non-reproductive)
Data: Limited
CETEARYL ALCOHOLEcotoxicology
Data: Limited
ETHOXYDIGLYCOLOrgan system toxicity (non-reproductive)
Data: Limited
PANTHENOLMultiple, additive exposure sources
Data: Limited
SACCHAROMYCES/ COPPER FERMENT EXTRACTOrgan system toxicity (non-reproductive), Persistence and bioaccumulation
Data: None
ACETYL GLUTAMINEUse restrictions
Data: Limited
LAURAMINE OXIDEContamination concerns (NITROSAMINES-in the presence of nitrosating agents), Use restrictions
Data: Limited
SODIUM PCAContamination concerns (NITROSAMINES-in the presence of nitrosating agents), Use restrictions
Data: Limited
TRIDECETH-12Ecotoxicology, Organ system toxicity (non-reproductive), Use restrictions
Data: Limited
MENTHA PIPERITA (PEPPERMINT)Enhanced skin absorption, Use restrictions
Data: Limited
ACETYL-CYSTEINEUse restrictions
Data: Fair
MENTHYL PCANone Identified
Data: None
GLYCOPROTEINSNone Identified
Data: Fair
CYSTINE BIS-PG-PROPYL SILANETRIOLNone Identified
Data: None
DIMETHICONE PROPYL PG-BETAINENone Identified
Data: None
DIMETHYL ISOSORBIDENone Identified
Data: Limited
PHOSPHOLIPIDS
PHOSPHOLIPDS
None Identified
Data: Fair
LACTOBACILLUS/ERIODICTYON CALIFORNICUM FERMENT EXTRACTNone Identified
Data: None
LACTOBACILLUS/OLEA EUROPAEA (OLIVE) LEAF FERMENT EXTRACT
LACTOBACILLUS/OLEA EUROPAEA LEAF FERMENT EXTRACT
None Identified
Data: None
LACTOBACILLUS/WASABIA JAPONICA ROOT FERMENT EXTRACTNone Identified
Data: None
CAMELLIA OLEIFERA (TEA-OIL CAMELLIA)None Identified
Data: Limited
FOENICULUM VULGARE (FENNEL)None Identified
Data: Limited
GERANIUM MACULATUM (SPOTTED CRANESBILL)None Identified
Data: Limited
PANAX GINSENG (GINSENG)None Identified
Data: Fair
POLYGONUM MULTIFLORUM (HE SHOU WU)None Identified
Data: Limited
ROSMARINUS OFFICINALIS (ROSEMARY)None Identified
Data: Limited
VITIS VINIFERA (GRAPE)None Identified
Data: Fair
COENZYME ANone Identified
Data: Fair
UBIQUINONENone Identified
Data: Fair
MELANINNone Identified
Data: Fair
SUPEROXIDE DISMUTASENone Identified
Data: Fair
TRIS-OLEOYLTROMETHAMINE ETHANE SULFATENone Identified
Data: None
AMODIMETHICONENone Identified
Data: Limited
SACCHAROMYCES/ MAGNESIUM FERMENTNone Identified
Data: None
LAVANDULA ANGUSTIFOLIA (LAVENDER)None Identified
Data: Limited
HYDROLYZED ALGINNone Identified
Data: Fair
VITAMIN B3
PANTOTHENIC ACID
None Identified
Data: Fair
CYANOCOBALAMIN (VITAMIN B12)None Identified
Data: Fair
FOLIC ACIDNone Identified
Data: Fair
THIAMINE HYDROCHLORIDE
THIAMINE HCL
None Identified
Data: Limited
ALANINENone Identified
Data: Fair
ASPARAGINENone Identified
Data: Fair
ASPARTIC ACIDNone Identified
Data: Fair
HISTIDINENone Identified
Data: Fair
POLYQUATERNIUM-11None Identified
Data: None
SACCHAROMYCES/ LYSATE EXTRACTNone Identified
Data: Limited
BIOTINNone Identified
Data: Fair
NIACINNone Identified
Data: Fair
SACCHAROMYCES/ SILICON FERMENTNone Identified
Data: None
WATERInnocuous
Data: Robust


About the ratings

EWG provides information on personal care product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings below indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any. Learn more | Legal Disclaimer