Cosmetics and Household Chemicals Testing Laboratory
SPF Testing for Cosmetics – Reliable SPF Test and UV Protection Verification
We provide professional SPF testing services for sunscreens, creams, and cosmetic products to verify their claimed Sun Protection Factor (SPF). Our tests follow ISO 24444, ISO 24443, and other international standards, ensuring accurate, reproducible, and scientifically validated results.
With our SPF testing solutions, cosmetic brands can confirm product performance, meet international safety regulations, and gain consumer trust. Partner with our laboratory for proven UV protection verification and ready-to-market SPF documentation.

What Is SPF and Why SPF Testing Matters?
Sun Protection Factor (SPF) measures a product’s ability to protect the skin against UVB radiation, the main cause of sunburn and a major contributor to skin cancer.
SPF Testing is essential to verify that sunscreens and cosmetics provide the claimed level of protection. Reliable tests confirm effectiveness against both UVB and UVA rays. While SPF indicates UVB protection, the UVA Protection Factor (UVA-PF) measures defense against UVA exposure, which is associated with photoaging, pigmentation, and DNA damage.
Our laboratory conducts SPF testing using internationally recognized in vivo and in vitro methods, including:
- ISO 24444:2019 – in vivo SPF determination
- EN ISO 23675:2024 – in vitro SPF (Double Plate Method)
This ensures precise, trustworthy results that comply with global regulatory standards.
Standardized SPF Testing in Our Laboratory:
We offer a wide range of SPF and UVA testing services to cover all product claims:
1. In Vivo SPF Testing (ISO 24444:2019)
Determines the Sun Protection Factor (SPF) of your product on human skin under controlled clinical conditions. Evaluates protection against UVB-induced erythema.
2. In Vivo UVA Testing – PPD (ISO 24442:2022)
Measures UVA protection using the Persistent Pigment Darkening (PPD) method on volunteers. Critical for evaluating photoaging and pigmentation prevention.
3. In Vitro UVA-PF Testing (ISO 24443:2021)
Assesses UVA Protection Factor (UVA-PF), critical wavelength, and UVA:UVB ratio using UV spectrophotometryon PMMA plates. Supports broad-spectrum protection claims.
4. Water Resistance Testing (ISO 18861:2020 / ISO 16217:2020 / ot the basis of FDA Guidelines)
Determines whether sunscreens maintain their labeled SPF after water exposure. Supports claims like “Water-Resistant” and “Very Water-Resistant”.
5. Anti-Sand Testing
Evaluates sand resistance for beach-use sunscreen claims.
6. Sweat Resistance Testing
Determines sunscreen durability during perspiration using in vivo methods.
7. Wash-Off Efficacy Testing
Checks how well sunscreen remains on the skin after washing or rubbing.
8. Photoallergy Testing
Detects allergic reactions triggered by sunlight when combined with product ingredients.
9. Phototoxicity Testing
Identifies potential toxic reactions caused by sunlight after product application.
Regulatory Standards for SPF Testing
All tests are conducted in strict compliance with recognized international standards, including:
- ISO 24444:2019 – In vivo SPF
- ISO 24442:2022 – In vivo UVA protection
- ISO 24443:2021 – In vitro UVA photoprotection
- ISO 23675:2024 (Double Plate) – In vitro SPF
- ISO 18861:2020 / ISO 16217:2020 – Water resistance
- AS/NZS 2604:2021 – Sunscreen evaluation and classification
- on the basis FDA Guidelines and proprietary methodologies
SPF Test Duration – How Long Does It Take?
We understand the importance of timely results for product development and regulatory submissions:
- In vivo SPF test (ISO 24444:2019) – typically delivered within 10 working days
- In vitro UVA test (ISO 24443:2021) – standard turnaround up to 10 working days
Our laboratory ensures accuracy, reliability, and efficiency, helping brands meet regulatory and market deadlines.
Contact Us for Professional SPF Testing Services
Looking for reliable SPF testing? Contact us to learn more about our certified Sun Protection Factor (SPF) testing for sunscreens, cosmetics, and skincare products.
- Fill out the contact form in the „Contact” tab or email: biuro@epidermlab.pl
- Get a quote for SPF tests
- Ask about testing timelines and sample requirements
- Learn how to certify your product’s SPF claims
- Discuss custom research or development projects
Partner with us and ensure your products meet the highest sun protection standards.
EpiDermLab Laboratorium badawcze s.c., laboratory address: Poland, 30-613 Kraków, ul. Łowienicka 14, phone: +48 662 178 533, mail: biuro@epidermlab.pl, VAT-ID: PL9452271009