SIST EN ISO 24443:2022/A1:2026

SLOVENSKI STANDARD
01-maj-2026
Kozmetika - Določanje zaščitnega faktorja UVA in vitro - Dopolnilo A1 (ISO
24443:2021/Amd 1:2026)
Cosmetics - Determination of sunscreen UVA photoprotection in vitro - Amendment 1
(ISO 24443:2021/Amd 1:2026)
Kosmetische Mittel - In-vitro-Bestimmung des UVA-Schutzes von Sonnenschutzmitteln -
Änderung 1 (ISO 24443:2021/Amd 1:2026)
Cosmétiques - Détermination in vitro de la photoprotection des produits de protection
solaire aux UVA - Amendement 1 (ISO 24443:2021/Amd 1:2026)
Ta slovenski standard je istoveten z: EN ISO 24443:2021/A1:2026
ICS:
71.100.70 Kozmetika. Toaletni Cosmetics. Toiletries
pripomočki
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 24443:2021/A1
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2026
EUROPÄISCHE NORM
ICS 71.100.70; 11.100.10
English Version
Cosmetics - Determination of sunscreen UVA
photoprotection in vitro - Amendment 1 (ISO
24443:2021/Amd 1:2026)
Cosmétiques - Détermination in vitro de la Kosmetische Mittel - In-vitro-Bestimmung des UVA-
photoprotection des produits de protection solaire aux Schutzes von Sonnenschutzmitteln - Änderung 1 (ISO
UVA - Amendement 1 (ISO 24443:2021/Amd 1:2026) 24443:2021/Amd 1:2026)
This amendment A1 modifies the European Standard EN ISO 24443:2021; it was approved by CEN on 16 February 2026.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 24443:2021/A1:2026 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 24443:2021/A1:2026) has been prepared by Technical Committee ISO/TC 217
"Cosmetics" in collaboration with Technical Committee CEN/TC 392 “Cosmetics” the secretariat of
which is held by AFNOR.
This Amendment to the European Standard EN ISO 24443:2021 shall be given the status of a national
standard, either by publication of an identical text or by endorsement, at the latest by August 2026, and
conflicting national standards shall be withdrawn at the latest by August 2026.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 24443:2021/Amd 1:2026 has been approved by CEN as EN ISO 24443:2021/A1:2026
without any modification.
International
Standard
ISO 24443
Second edition
Cosmetics — Determination of
2021-12
sunscreen UVA photoprotection in
vitro
AMENDMENT 1
2026-02
AMENDMENT 1
Cosmétiques — Détermination in vitro de la photoprotection des
produits de protection solaire aux UVA
AMENDEMENT 1
Reference number
ISO 24443:2021/Amd.1:2026(en) © ISO 2026

ISO 24443:2021/Amd.1:2026(en)
© ISO 2026
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 24443:2021/Amd.1:2026(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 217 Cosmetics, in collaboration with the
European Committee for Standardization (CEN) Technical Committee CEN/TC 392, Cosmetics, in accordance
with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

iii
ISO 24443:2021/Amd.1:2026(en)
Cosmetics — Determination of sunscreen UVA
photoprotection in vitro
AMENDMENT 1
5.6
Add the following text at the end of the subclause:
The product should be stored, in the dark, between (27 ±2) °C and (32 ±2) °C for at least twelve hours
before the start of the test.
The surface of sandblasted plates should be cleaned with a dry, antistatic microfibre cloth.
The plates should be handled carefully by holding them by the edges, a
...