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HAMAMELIS VIRGINIANA (WITCH HAZEL) BARK EXTRACT

 

Restricted: EWG VERIFIED products cannot contain this ingredient without adequate substantiation.

Asthma/Respiratory
 
No Data, Some Concern
 
Skin Allergies &
Irritation
 
Low Concern
 
Developmental &
Reproductive Toxicity
 
No Data, Some Concern
 
Cancer
 
No Data, Some Concern
 
Environment
 
No Data, Some Concern
 
Top scoring factors: Evidence of developmental/endocrine/reproductive effects; chronic aquatic toxicity; skin irritation/allergies/damage
HAMAMELIS VIRGINIANA (WITCH HAZEL) BARK EXTRACT can be found in 6 products.
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Evidence

Health issue
 
Level of Concern
 
Source
Components of witch hazel reduced skin irritation in a human trial.
 
low
 
A. Deters, A. Dauer, E. Schnetz, M. Fartasch & A. Hensel. 2001. High molecular compounds (polysaccharides and proanthocyanidins) from Hamamelis virginiana bark: influence on human skin keratinocyte proliferation and differentiation and influence on irritated skin. Phytochemistry 58(6), 949-58.
CIR cites unpublished industry data which reported negative genotoxicity findings for witch hazel leaf extract.
 
low
 
Cosmetic Ingredient Review (CIR): CIR Assessments
H. virginiana extracts exhibited antiinflammatory properties in rats.
 
low
 
M. Duwiejua, I. J. Zeitlin, P. G. Waterman & A. I. Gray. 1994. Anti-inflammatory activity of Polygonum bistorta, Guaiacum officinale and Hamamelis virginiana in rats. The Journal of pharmacy and pharmacology 46(4), 286-90.
Components of witch hazel exhibited anti-mutagenic properties in vitro.
 
low
 
A. Dauer, P. Metzner & O. Schimmer. 1998. Proanthocyanidins from the bark of Hamamelis virginiana exhibit antimutagenic properties against nitroaromatic compounds. Planta medica 64(4), 324-7.
 
 
About the ratings About the ratings
EWG provides information on cleaning product ingredients from the published scientific... continue reading →
EWG provides information on cleaning product ingredients from published scientific literature, to supplement incomplete data available from companies and the government. The ratings 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 that determine actual health risks, if any. (Hide)
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