What is SPF In Vivo testing (ISO 24444:2019)?
Last updated: 31 Aug 2026
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In-vivo testing is a method of testing the effectiveness of sunscreen in protecting skin from UVB rays on real skin using a group of volunteers. This ensures accurate SPF values that best reflect daily use. This method is an internationally recognized standard (ISO 24444:2019).
For testing inquiries or further information, please contact the Testing Laboratory, Pathawin Co., Ltd. Tel: 02-9773261-4 ext. 118, Mobile: 081-9751595
For testing inquiries or further information, please contact the Testing Laboratory, Pathawin Co., Ltd. Tel: 02-9773261-4 ext. 118, Mobile: 081-9751595
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