Double Plate Method (DPM): A Breakthrough in In Vitro SPF Testing
In a major step forward for sunscreen science, the Double Plate Method (DPM) has just been recognized as an official ISO standard (ISO 23675:2024). This fully in vitro SPF testing method, developed by experts at Cosmetics Europe, marks a pivotal shift in how sun protection efficacy can be measured without exposing human volunteers to harmful [...]