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Tanzania Updates Cosmetic Oils and Skin Care Products Testing Standards

Tanzania has introduced updated analytical testing standards for cosmetic oils and skin care products to ensure quality and safety, including methods for determining acetyl value, flash point, rancidity, ash content, allyl isothiocyanate, heavy metals, unsaponifiable matter, melting point, specific gravity, and titre test

TANZANIA – COSMETICS

Tanzania Sets New Testing Rules for Cosmetic Oils

Importers and manufacturers must follow updated analytical methods for safety and quality.

15 Jun 2026 Standards distributed
14 Aug 2026 Comment deadline

What changed

Acetyl and hydroxyl value testing standardized for oils and fats.

Flash point testing required using Pensky-Martens closed cap tester.

Heavy metal testing mandatory for lead, mercury, and arsenic content.

Rancidity assessment introduced to ensure product stability.

Melting point determination required for physical characteristics.

Who it affects

Importers of cosmetic oils must ensure products meet new testing standards.

Cosmetic manufacturers must implement standardized analytical methods.

Key dates

15 Jun 2026 — DEAS 847 standards distributed.
14 Aug 2026 — comment period closes.
Tanzania — cosmetic oils and skin care products testing standards

Compliance Analysis: Analytical Testing Standards for Cosmetic Oils and Skin Care Products in Burundi

Burundi, as a member of the East African Community (EAC), adopts East African Standards (EAS) for cosmetic products, including analytical testing methods for cosmetic oils and skin care products. While the provided sources are Draft East African Standards (DEAS)—not yet finalized—they represent the harmonized regulatory framework that Burundi is expected to implement under the EAC’s standardization mandate1. Below is a structured breakdown of the applicable standards for the parameters mentioned in the user’s question.

1. Applicable Regulatory Framework

Burundi’s compliance with cosmetic testing standards is governed by:

  • East African Standards (EAS), developed by the East African Standards Committee (EASC) and adopted by EAC Partner States, including Burundi1.
  • Draft East African Standards (DEAS) for analytical methods, which are in the finalization stage and will become binding once published as EAS2, 3, 4, 5, 6, 7, 8, 9.
  • EAC Customs Union and Common Market Protocols, which mandate harmonization of product standards to eliminate trade barriers1.

Burundi’s Bureau Burundais de Normalisation et de Contrôle de la Qualité (BBN) is the national body responsible for enforcing these standards1.

2. Analytical Testing Requirements for Cosmetic Oils and Skin Care Products

The following table summarizes the mandatory testing parameters, their applicable DEAS/EAS standards, and key requirements under Burundi’s regulatory framework.

ParameterApplicable StandardKey RequirementMethodology
Acetyl ValueDEAS 847-10: 20252Determines the acetyl value and hydroxyl value in oils/fats for cosmetics. Two methods (A and B) are prescribed. The acetyl value is calculated using the formula: A = (S₂ – S₁) × 56.1 / m, where S₂ = saponification value after acetylation, S₁ = saponification value before acetylation, and m = mass of sample2.Method A or B (details in DEAS 847-10).
Flash PointDEAS 847-12: 2025*1Determined using the Pensky–Martens Closed Cup Tester to assess flammability risks in cosmetic oils/fats1.Closed-cup method (specific steps in DEAS 847-12).
RancidityDEAS 847-13: 202510Tests for free fatty acids using phloroglucinol solution (0.1 g in 100 mL diethyl ether) to detect oxidative degradation10.Phloroglucinol reaction method.
Ash ContentDEAS 847-15: 20253Measures inorganic residue after ignition at 775°C in a muffle furnace. Ash content is calculated as: Ash (%) = (M₁ / M₂) × 100, where M₁ = mass of ash, M₂ = mass of sample3.Ignition in crucible → muffle furnace → weighing.
Allyl IsothiocyanateDEAS 847-11: 20258Determines allyl isothiocyanate content via steam distillation into excess AgNO₃ solution, where it reacts to form a precipitate8.Steam distillation + silver nitrate reaction.
Heavy MetalsDEAS 847-16: 2025*5Tests for lead (Pb), mercury (Hg), and arsenic (As) using Graphite Furnace Atomic Absorption Spectrophotometry (GFAAS). WARNING: Acids and arsenic are highly toxic/corrosive5.GFAAS for Pb/Hg/As (specific protocols in DEAS 847-16).
Unsaponifiable MatterDEAS 847-5: 20259Measures non-saponifiable components (e.g., sterols, hydrocarbons) via saponification with alcoholic KOH followed by solvent extraction9.Saponification → extraction → gravimetric analysis.
Melting PointDEAS 847-6: 20254Determined using the open-tube capillary slip method (capillary tubes: 50–60 mm length, 1–1.2 mm internal diameter)4.Capillary tube + controlled heating.
Specific GravityDEAS 847-7: 2025*1Not detailed in provided sources, but referenced in the EAS framework1.Typically measured via pycnometer or hydrometer (method to be confirmed in DEAS 847-7).
Titre TestDEAS 847-8: 20257Determines the solidification point of fatty acids via saponification with ethanolic KOH, acidification, and cooling7.Saponification → acidification → cooling curve analysis.

Notes:

  • Parameters marked with an asterisk () (e.g., flash point, specific gravity) are referenced in1 but lack detailed methodology in the provided sources. Full requirements will be available in the finalized DEAS.
  • Colour determination (DEAS 847-9: 20256) is included in the EAS framework but not listed in the user’s question. It uses Lovibond glass comparison6.

3. Compliance Obligations for Burundi

3.1 Legal Status of Standards

  • The DEAS are draft standards and not yet legally binding. However, Burundi is obligated to adopt them once finalized as EAS under the EAC Treaty1.
  • Until adoption, manufacturers may voluntarily comply with DEAS to align with regional harmonization efforts.

3.2 Enforcement Authority

  • Bureau Burundais de Normalisation et de Contrôle de la Qualité (BBN): Responsible for standardization, testing, and certification of cosmetic products in Burundi1.
  • EAC Secretariat: Coordinates harmonization and ensures Partner States (including Burundi) implement EAS1.

3.3 Key Steps for Compliance

  1. Product Testing: Conduct analytical tests per the DEAS/EAS methods listed above (e.g., acetyl value2, heavy metals5).
  2. Documentation: Maintain test reports detailing methodologies, results, and compliance with thresholds (e.g., heavy metal limits).
  3. Certification: Obtain BBN certification (or EAC mark of conformity) for products meeting EAS requirements.
  4. Labeling: Ensure labels include batch numbers, expiry dates, and ingredient lists (general EAC labeling rules apply1).
  5. Market Surveillance: BBN may conduct post-market testing to verify compliance1.

3.4 Penalties for Non-Compliance

  • While the sources do not specify penalties, Burundi’s general product safety laws (e.g., Loi No. 1/01 du 3 janvier 2011 sur la normalisation) empower BBN to:
    • Seize non-compliant products.
    • Impose fines or suspend market authorization.
    • Mandate recalls for unsafe products.

4. Summary Answer

Burundi’s regulatory framework for cosmetic oils and skin care products is governed by Draft East African Standards (DEAS), which prescribe mandatory analytical testing methods for parameters such as acetyl value2, ash content3, heavy metals5, rancidity10, and melting point4. These standards are developed under the EAC harmonization mandate and will become binding once finalized as East African Standards (EAS)1. Manufacturers must comply with the test methodologies outlined in the DEAS (e.g., GFAAS for heavy metals5, phloroglucinol for rancidity10) and obtain BBN certification to ensure market access. While the DEAS are not yet legally enforceable, Burundi’s Bureau Burundais de Normalisation et de Contrôle de la Qualité (BBN) is responsible for their adoption and enforcement1. Non-compliance may result in product seizures, fines, or recalls under Burundi’s product safety laws. For parameters like flash point and specific gravity, detailed methods will be available in the finalized DEAS1.

Sources

  1. ↩ WTO TBT notification 26-03091 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03091_00_e.pdf
  2. ↩ WTO TBT notification 26-03088 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03088_00_e.pdf
  3. ↩ WTO TBT notification 26-03084 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03084_00_e.pdf
  4. ↩ WTO TBT notification 26-03092 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03092_00_e.pdf
  5. ↩ WTO TBT notification 26-03083 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03083_00_e.pdf
  6. ↩ WTO TBT notification 26-03089 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03089_00_e.pdf
  7. ↩ WTO TBT notification 26-03090 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03090_00_e.pdf
  8. ↩ WTO TBT notification 26-03087 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03087_00_e.pdf
  9. ↩ WTO TBT notification 26-03093 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03093_00_e.pdf
  10. ↩ WTO TBT notification 26-03085 — Uganda https://members.wto.org/crnattachments/2026/TBT/UGA/26_03085_00_e.pdf
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