Body & Beauty / Products / Hair dye (permanent and semi-permanent)

Hair dye (permanent and semi-permanent) — safety profile

High risk

Permanent and semi-permanent hair coloring products.

What is this product?

Permanent and semi-permanent hair coloring products. Contain oxidative dyes, hydrogen peroxide developer, ammonia, and conditioning agents. Applied to scalp with direct skin contact.

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Red flags — when to walk away

  • No patch test performedPPD allergy can cause severe reaction including anaphylaxis

Safer alternatives

  • Henna (Lawsonia inermis) — Plant-based; no PPD; limited color range (red/brown)

Frequently asked questions

Are there safer alternatives to Hair dye (permanent and semi-permanent)?

Yes — consider: Henna (Lawsonia inermis). See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →