Determining the sun protection factor of cosmetics with UV filters enables confirmation of the product’s declared performance in terms of the level of protection against UV radiation.
Test methods for sunscreen products:
EN ISO 24444 Sun protection test methods — In vivo determination of the sun protection factor (SPF)
Sun protection test methods — in vitro determination of the sun protection factor (SPF)
EN ISO 24443 Determination of sunscreen UVA photoprotection in vitro
Water resistance / extra water resistance in accordance with EN ISO 24444
Water resistance / extra water resistance in accordance with Cosmetics Europe and Diffey&Robson
PA Method (Protection Grade of UVA)
Photoallergic and phototoxicity in accordance with Cosmetics Europe
Our Laboratory offers tests that allows the determination of the Sun Protection Factor (SPF) thanks to the in vitro method. The test is performed using a specialized spectrophotometer imitating sunlight and PMMA plates.
This method allows to determine the value of the SPF and thus:
confirmation of the presence of UVA and UVB filters;
evaluation of the effectiveness of UVA / UVB sun protection according to the Boots scale; the appointment of the erythema factor - Erythema;
determination of the critical wavelength;
confirmation of the waterproof declaration.
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We have 20 years’ experience in delivering food laboratory testing, environmental research, cosmetic testing and associated services such as analyses, audits, training, consultancy, monitoring, and sampling.
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GBA POLSKA Sp. z o.o.
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65 Mochtyńska St., 03-289 Warsaw, Poland
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