DIN EN ISO 29621 E 2016-04 PDF

Full title and description

STB DIN EN ISO 29621 E 2016-04 — Cosmetics — Microbiology — Guidelines for the risk assessment and identification of microbiologically low‑risk products. This title refers to a national/DIN/EN draft adoption (E 2016‑04) of the international guidance which was published in its final ISO form as ISO 29621:2017.

Abstract

Guidance to cosmetic manufacturers, formulators, quality and regulatory personnel to identify finished cosmetic products that, on the basis of a risk assessment, present a low risk of microbial contamination during production and/or intended use and therefore may not require the application of full microbiological International Standards for cosmetics. The document gives risk‑based criteria and examples to support decision making.

General information

• Status: Draft national/EN adoption (STB/DIN draft published April 2016; replaced by final ISO publication). The international standard ISO 29621 (edition 2) is published and confirmed.
• Publication date: National/EN draft issued April 2016 (document date: 2016‑04); final ISO edition published 13 March 2017.
• Publisher: National/DIN adoption (Deutsches Institut für Normung / national standards body for the draft); International publisher: International Organization for Standardization (ISO).
• ICS / categories: 07.100.40 (Cosmetics — microbiology).
• Edition / version: Draft adoption listed as DIN/EN ISO 29621 E 2016‑04 (draft); ISO edition 2 — ISO 29621:2017 (published).
• Number of pages: Draft/EN adoption listing: 35 pages (draft package); final ISO publication: 11 pages.

Scope

This document provides guidance for carrying out a microbiological risk assessment on finished cosmetic products and for identifying those products that can reasonably be considered microbiologically low risk and therefore do not require application of other detailed microbiological standards (for example preservation efficacy testing or routine microbiological limits). It covers factors such as product type and formulation (water activity, anhydrous vs aqueous), intended use, packaging and single‑use formats, exposure patterns, and manufacturing controls. The guidance is intended to support, not replace, regulatory and quality decisions.

Key topics and requirements

• Principles of microbiological risk assessment specific to cosmetics (formulation, water content, pH, preservatives, and processing).
• Identification of product categories typically considered low microbial risk (e.g., anhydrous products, certain powders, single‑use towelettes) and the rationale for classification.
• Interaction with preservation efficacy testing and when such tests can be omitted based on risk assessment.
• Consideration of intended use, user population (e.g., vulnerable groups), and exposure routes in risk decisions.
• Role of manufacturing hygiene, packaging design and single‑use formats in lowering microbiological risk.
• Documentation and justification: recommended recordkeeping of the risk assessment and decisions not to apply other microbiological standards.

Typical use and users

Used by cosmetic manufacturers, formulation scientists, quality control and quality assurance teams, regulatory affairs specialists, third‑party auditors, and competent authorities to: determine whether a finished product should be subject to routine microbiological testing or preservation efficacy testing; document and justify low‑risk classifications; and align internal procedures with international guidance for microbiological safety.

Related standards

Commonly used alongside or referenced with other cosmetics and microbiology standards such as ISO 11930 (Evaluation of the antimicrobial protection/preservation efficacy testing), ISO 17516 (Microbiological limits for cosmetics), ISO 22716 (Good Manufacturing Practices — cosmetics), and related product‑specific microbiology test standards (for example ISO methods for detection/enumeration of specific organisms).

Keywords

cosmetics; microbiology; risk assessment; low‑risk products; preservation; preservation efficacy; microbiological limits; ISO 29621; DIN EN ISO; formulation; packaging; good manufacturing practice.

FAQ

Q: What is this standard?

A: Guidance (ISO 29621 family) for performing microbiological risk assessments on finished cosmetic products and for identifying products that can be classed as microbiologically low risk. The STB/DIN/EN designation in the title refers to a national/European draft/adoption step associated with the international document.

Q: What does it cover?

A: It covers criteria and considerations for deciding when a cosmetic product is low microbial risk (formulation, water content, exposure/use, packaging, manufacturing controls) and when full microbiological testing standards can be reasonably omitted, together with recommended documentation practices.

Q: Who typically uses it?

A: Cosmetic manufacturers, QC/QA teams, formulators, regulatory affairs professionals, auditors and competent authorities who need a risk‑based basis for decisions about microbiological testing and preservation requirements.

Q: Is it current or superseded?

A: The draft national/EN adoption referenced by the title (2016‑04) was a draft/replacement step; the final international edition is ISO 29621:2017 (edition 2, published 13 March 2017). ISO indicates the 2017 edition was reviewed and confirmed in 2022 and remains current. Users should reference ISO 29621:2017 as the authoritative text for the guidance.

Q: Is it part of a series?

A: Yes — it is part of the ISO cosmetics‑microbiology corpus (ISO/TC 217) and is used in conjunction with related standards such as ISO 11930 (preservation efficacy), ISO 17516 (microbiological limits) and ISO 22716 (GMP).

Q: What are the key keywords?

A: cosmetics, microbiology, risk assessment, low‑risk, preservation, preservation efficacy testing, ISO 29621, GMP, microbiological limits.