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HB 1135 CO
Became Law

Transparency of Chemicals Used in Hair Products

CO · session 2026A · Assembly / House · bill

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Introduced Feb 4, 2026

Latest action (May 29, 2026) Introduced In House - Assigned to Business Affairs & Labor

Summary

This bill requires Colorado manufacturers of hair relaxer and hairpiece products to disclose the presence of intentionally added carcinogens or reproductive toxicants through warning labels, effective July 1, 2027. Hair products containing these substances cannot be sold or distributed in Colorado unless they display appropriate warning labels notifying consumers of the hazardous contents. The warning label requirements vary depending on whether the product contains a carcinogen, reproductive toxicant, or both. Professional-use products sold to commercial entities for salon use are exempt from the labeling requirement. Violations of the warning label requirement are treated as deceptive trade practices, and the attorney general may update labeling rules starting July 1, 2028.

AI-generated plain-language summary of the bill (from the OpenStates abstract — no full text available yet) — neutral, and may be imperfect.

Official abstract

On and after July 1, 2027, a manufacturer of a hair relaxer product or a hairpiece product (covered hair product) is prohibited from selling or distributing a covered hair product in the state that contains an intentionally added carcinogen or reproductive toxicant unless the covered hair product has a warning label that notifies the consumer that the covered hair product contains an intentionally added carcinogen or reproductive toxicant, which warning label must comply with certain requirements depending on whether the covered hair product contains an intentionally added carcinogen, an intentionally added reproductive toxicant, or both (warning label requirement).     The warning label requirement does not apply to a covered hair product that is sold or distributed to a commercial entity for professional use. On and after July 1, 2028, the attorney general may adopt rules updating the warning label requirement. A violation of the warning label requirement constitutes a deceptive trade practice.(Note: This summary applies to this bill as enacted.)

Sponsors (4)
27 coauthors / cosponsors

Action history (14)
  1. May 29, 2026 Governor Signed · executive
  2. May 12, 2026 Sent to the Governor · executive
  3. May 12, 2026 Signed by the President of the Senate · upper
  4. May 12, 2026 Signed by the Speaker of the House · lower
  5. Apr 14, 2026 House Considered Senate Amendments - Result was to Concur - Repass · lower
  6. Apr 8, 2026 House Considered Senate Amendments - Result was to Laid Over Daily · lower
  7. Apr 7, 2026 Senate Third Reading Passed - No Amendments · upper
  8. Apr 6, 2026 Senate Second Reading Passed with Amendments - Committee · upper
  9. Mar 31, 2026 Senate Committee on Business, Labor, & Technology Refer Amended - Consent Calendar to Senate Committee of the Whole · upper
  10. Mar 6, 2026 Introduced In Senate - Assigned to Business, Labor, & Technology · upper
  11. Mar 3, 2026 House Third Reading Passed - No Amendments · lower
  12. Mar 2, 2026 House Second Reading Special Order - Passed with Amendments - Committee · lower
  13. Feb 26, 2026 House Committee on Business Affairs & Labor Refer Amended to House Committee of the Whole · lower
  14. Feb 4, 2026 Introduced In House - Assigned to Business Affairs & Labor · lower
Subjects
Public Health

Full text

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