COSMETIC
PATCH TEST
REQUEST MORE INFORMATION
COSMETIC
PATCH TEST
REQUEST MORE INFORMATION
Dermatological
assessment
Skin tolerance
test
Support for
cosmetic claims
WHAT IS A PATCH TEST?
The Patch Test is the standard test for assessing the skin tolerance of cosmetic products. It involves the controlled application of the product to the skin using occlusive adhesive patches, generally on the backs of volunteers. Occlusion promotes continuous contact between the product and the skin, maximising exposure and making it possible to detect potential reactions even under particularly demanding conditions.
The patch is usually removed after 48 hours, when an initial dermatological assessment is carried out. Depending on the established protocol, additional readings may be performed 24 or 48 hours later to identify potential delayed reactions. The assessment is carried out using standardised scales that consider signs such as erythema, oedema, dryness or desquamation.
The Patch Test is a key tool for demonstrating the safety and skin tolerance of cosmetic products, providing valuable information for manufacturers, distributors and consumers. Studies can be carried out on people with different skin types, including normal, sensitive, reactive, atopic or acne-prone skin, ensuring an assessment tailored to the specific characteristics and needs of each product
WHY CARRY OUT A PATCH TEST?
Safety
It makes it possible to identify potential irritant reactions before the product is placed on the market
Skin tolerance
It assesses product compatibility with the skin under controlled conditions
Validation
It provides objective evidence of the safety of the formulation in use
Dermatological claims
It provides technical support for claims such as “dermatologically tested”
Confidence
It strengthens product credibility among consumers, distributors and markets
HOW IS THE TEST CARRIED OUT?
Protocol selection
The study design is defined according to the product characteristics and assessment objectives.
Product application
The cosmetic product is applied to the skin using occlusive adhesive patches, generally on the back.
Exposure period
The product remains in contact with the skin for the period established in the protocol.
Dermatological assessment
The results are read and potential skin reactions are clinically assessed.
Technical report
A report is issued containing the results and the assessment of the product’s skin tolerance.
Why choose AITEX for your Patch Test studies?
SPECIALISED DERMATOLOGICAL ASSESSMENT
AITEX carries out skin tolerance studies using standardised procedures tailored to the needs of the cosmetics industry. We have extensive experience in assessing the safety and skin compatibility of different categories of cosmetic products, providing technical rigour and reliability at every stage of the study.
PROTOCOLS TAILORED TO EACH PRODUCT
Tests are designed on a customised basis, taking into account the characteristics of each formulation, the target skin type and the intended use of the product. This tailored approach makes it possible to define the most appropriate assessment conditions to obtain representative and reliable results.
This approach makes it possible to adjust parameters such as exposure time, the number of readings or assessment criteria, ensuring a more precise assessment aligned with the development, validation and marketing objectives of each cosmetic product.
>> I would like to contact the AITEX technical team
SUPPORT FOR DERMATOLOGICAL CLAIMS AND COMPREHENSIVE SOLUTIONS
The results obtained provide technical support for claims relating to skin tolerance and compatibility, such as “dermatologically tested”. AITEX also offers complementary safety, efficacy and microbiological control testing to support the development and marketing of cosmetic products through a single organisation.
FAQS ABOUT THE PATCH TEST
What is a Patch Test?
It is a dermatological test that assesses the skin tolerance of a cosmetic product through its controlled application to the skin.
What is a Patch Test used for?
It makes it possible to detect potential irritant reactions and demonstrate the product’s skin compatibility.
What does “dermatologically tested” mean?
It indicates that the product has undergone a dermatological assessment in accordance with a specific protocol.
How long does a Patch Test take?
The duration depends on the protocol applied. The first assessment is usually carried out after the patch is removed at 48 hours, and subsequent readings may be scheduled to detect delayed reactions.
What types of reactions are assessed?
Signs such as erythema, oedema, dryness, desquamation and other manifestations of skin irritation are assessed.
Is a Patch Test mandatory?
The need for the test depends on the type of product and the safety assessment strategy defined for placing it on the market.
Which products commonly require this test?
It is used particularly for products intended for direct contact with the skin, such as creams, facial and body cosmetics, children’s products or formulations for sensitive skin.
REQUEST MORE
INFORMATION
If you would like further information, please complete and submit the form and we will get in touch with you.