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Campaign Resources

Relaxer
Info Kit

Everything you need to understand the risks, share the research, and take action on chemical hair relaxers.

  1. Chemical Relaxers & Uterine Cancer Risk

    Sister Study (NIEHS) · 2022

    Research
  2. Breast Cancer & Hair Straightener Use

    Journal of the National Cancer Institute · 2020

    Research
  3. Endocrine-Disrupting Chemicals in Hair Products

    Environmental Health Perspectives · 2019

    Research
  4. #NoMoreLyes Open Letter to L'Oréal

    Level Up · 2024

    Action
  5. Relaxer Market Analysis: UK Consumer Exposure

    Level Up Research · 2024

    Report
  6. Fibroids & Chemical Hair Relaxer Exposure

    American Journal of Epidemiology · 2012

    Research
  7. Scalp Penetration & Systemic Absorption in Relaxers

    Toxicology Letters · 2021

    Research
  8. Community Hair Stories — Lived Experience Testimony

    Level Up Community · 2023–2025

    Community
  9. Ovarian Cancer Risk & Hair Product Chemicals

    Cancer Prevention Research · 2023

    Research

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