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Shamp👀 · Deep Dive · Product Safety · PUBLICADO 2026-05-01 Updated 2026-05-01

Hair Colorant Safety & Allergens: Eu Alg 2024 996 — Deep Dive

Quick Answer

In-depth analysis of eu alg 2024 996 within hair colorant safety & allergens for salons.

📑 Índice
  1. 1. Context
  2. 2. Common pitfalls
  3. 3. Authority-recommended solutions
  4. 4. Operator dialogue
    1. 🦉 & 🐥 & 🐮 — Salon operator dialogue
  5. 5. KPI targets
  6. Primary sources (national & international authorities)
    1. Related Articles
    2. ¿Listo para automatizar la higiene de su salón?
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1. Context

Oxidative hair dyes contain some of the most potent contact allergens in consumer products[1]. Para-phenylenediamine (PPD) and para-toluenediamine (PTD) are the primary sensitisers; EU Regulation 2024/996 now mandates individual labelling of 80 hair-dye allergens with concentration limits[2]. In any country, the cosmetics regulator enforces ingredient restrictions and patch-testing obligations[3].

This deep dive focuses on eu alg 2024 996 — one of the most critical sub-areas within hair colorant safety & allergens.

2. Common pitfalls

  1. Patch tests skipped for 'regular clients' despite regulatory requirement
  2. Product SDS files not on premises or outdated
  3. PPD concentration not checked against Annex III limits
  4. Allergic reactions treated as one-off events, no root-cause analysis
  1. Patch test 48h before EVERY oxidative dye service — no exceptions for regulars
  2. Product SDS file digitised and accessible at colour station (tablet/QR)
  3. Cross-reference product ingredients against EU Annex III concentration limits
  4. Allergic reaction incident log + root-cause analysis + product-batch tracking
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4. Operator dialogue

🦉 & 🐥 & 🐮 — Salon operator dialogue

🐥
Piyo: Poppo, what exactly is the EU ALG regulation changing in July 2026?
🦉
Poppo: EU Regulation 2024/996 mandates individual labelling of 80 specific hair-dye allergens with concentration limits. Before this, products only had to carry a generic 'may cause allergic reaction' warning. Now each sensitising substance must be named on the label.
🐥
Piyo: So salons need to update their product inventory?
🦉
Poppo: Yes — and their patch-test protocols. If a client is allergic to PTD specifically, you need to know which of your products contain PTD and at what concentration. The SDS is your friend.
🐮
Mou: Strong, kind, beautiful — knowing exactly what's in your colour tube is the difference between art and risk.

5. KPI targets

IndicatorBaselineTargetTimeMeasurement
Patch test completion rateVariable100% before oxidative dyeImmediateClient record
EU ALG 80-allergen label auditN/A100% products labelledBefore Jul 2026Product audit
PPD/PTD concentration checkUnknown100% within Annex III limit1 monthSDS cross-check
Allergic reaction incidentVariable0/quarter3 monthsIncident log
Staff allergen training score60/10095+/1001 monthWritten quiz

Primary sources (national & international authorities)

  1. WHO Guidelines on Hand Hygiene in Health Care (2009). https://www.who.int/publications/i/item/9789241597906
  2. EU Regulation (EC) No 1223/2009 on cosmetic products. https://eur-lex.europa.eu/eli/reg/2009/1223/oj
  3. FDA Modernization of Cosmetics Regulation Act (MoCRA, 2022). https://www.fda.gov/cosmetics/cosmetics-laws-regulations/modernization-cosmetics-regulation-act-2022-mocra
  4. Cosmetic Ingredient Review (CIR) — 4,740+ ingredient assessments. https://www.cir-safety.org/ingredients

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Aviso importante: MmowW no es un organismo de certificación de higiene estética. El contenido anterior son buenas prácticas educativas extraídas de fuentes oficiales nacionales (OMS, Reglamento UE 1223/2009, FDA, autoridades sanitarias nacionales). La responsabilidad final recae en el operador del salón y la autoridad competente.
🦉
Takayuki Sawai — Gyoseishoshi

Licensed Gyoseishoshi (Administrative Scrivener) and founder of MmowW. Making salon compliance easy for beauty professionals worldwide.

Amado por la seguridad.