Journal article
Clean beauty gentrification: The role of historic and contemporary resource allocation practices on hair product safety in Boston, MA
Environmental epidemiology, v 10(1), 445
01 Feb 2026
PMID: 41541897
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Background: Personal care products are a well-documented source of endocrine-disrupting chemicals (EDCs). Differences in exposure to EDCs are reported, with Black women more commonly using products, such as hair products, containing EDCs. Our previous work identified differences in access to safer hair products between neighborhoods in Boston, Massachusetts; however, limited research has explored what may be driving these differences. Redlining and gentrification are two resource allocation practices that may impact neighborhood-level access to health-promoting services and goods, including access to safer hair products.
Objective: We examined if there is an association between historic and contemporary practices related to resource allocation (i.e., historic redlining and gentrification) with hair product safety (i.e., containing EDCs and other chemicals of concern) among the neighborhoods in Boston, Massachusetts.
Methods: We randomly selected and visited 117 stores in Boston to collect data on hair product availability and safety. We used the Environmental Working Group's (EWG) Skin Deep database to evaluate hair product safety through hazard categories (low, moderate, or high). We collected data on historic and contemporary factors at the census tract level (redlining and gentrification). The associations between the historic and contemporary factors and EWG hazard categories were examined using multinomial logistic regressions.
Results: A total of 39,421 hair products were cataloged in Boston, Massachusetts. Stores in previously Home Owners' Loan Corporation (HOLC) graded C and D-not gentrified areas had increased access to high-hazard hair products (risk ratio [RR] HOLC C = 1.1; 95% confidence interval [CI] = 0.9, 1.4, RR HOLC D = 1.4; 95% CI = 1.1, 1.7). Decreased access to low-hazard hair products was reported among stores in HOLC D-gentrified or intensely gentrified (RR = 0.7; 95% CI = 0.5, 1.1), HOLC C-not gentrified (RR = 0.7; 95% CI = 0.5, 1.0), and HOLC D-not gentrified areas (RR = 0.5; 95% CI = 0.4, 0.8).
Discussion: Differences in access to safer hair products were reported when examining the impacts of both redlining and gentrification. Our findings present evidence of the role of historic and contemporary resource allocation practices on current-day neighborhood-level safer hair product accessibility, which may have potential downstream health consequences.
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Details
- Title
- Clean beauty gentrification: The role of historic and contemporary resource allocation practices on hair product safety in Boston, MA
- Creators
- Marissa Chan - Harvard UniversityMarlee R. Quinn - Harvard UniversityDerek Shyr - Harvard UniversityKatherine Van Woert - Harvard UniversityJackeline Morales - Boston UniversityWilliam H. Kessler - Harvard UniversityLoni Philip Tabb - Drexel UniversityGary Adamkiewicz - Harvard UniversityLoni Phillip Tabb - Drexel University, Urban Health CollaborativeTamarra James-Todd - Harvard TH Chan Sch Publ Hlth, Dept Environm Hlth, Boston, MA USA
- Publication Details
- Environmental epidemiology, v 10(1), 445
- Publisher
- Lippincott Williams & Wilkins
- Number of pages
- 10
- Grant note
- P30ES000002 / National Institute of Environmental Health Sciences; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA; NIH National Institute of Environmental Health Sciences (NIEHS) National Science Foundation Graduate Research Fellowships Program 1156-000000-10400-100-00 / Environmental Defense Fund
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Urban Health Collaborative; Epidemiology and Biostatistics
- Web of Science ID
- WOS:001660392600001
- Scopus ID
- 2-s2.0-105036813253
- Other Identifier
- 991022184874204721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Environmental Sciences
- Public, Environmental & Occupational Health