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December 4, 2025Photochemical & Photobiological SciencesOpen Access

Visualization of sun protect factor (SPF): a new method to assess the performance of sunscreen using photochromic film

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Authors

OYOmid YousefianEREduardo RuvoloOYOmid Yousefian

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Overview

Novel photochromic film assesses UVB radiation protection in sunscreens, revealing a correlation with SPF values.

Key Points

  • The photochromic film effectively identifies varying UV protection levels in sunscreen formulations.
  • Quantified colorimetric measurements demonstrated strong correlation with SPF and UVA-PF values.
  • Assessment utilized a novel method combining photochromic films and tested samples on VITRO-SKIN substrate.
  • Findings may enable consumers to better understand sunscreen protection and application effectiveness.

Cite This Study

Yousefian et al. (2025) studied this question.

synapsesocial.com/papers/6930dc9eea1aef094cca2d66https://doi.org/10.1007/s43630-025-00815-7
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Also Consider

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  1. 1Qualitative and quantitative analysis of colorimetric response in different UV solar radiation level indicator bracelets based on photochromic substances2024 · 3 citations
  2. 2Thermal and optical characterization, as well as photostability assessment of sunscreens by using photoacoustic and photopyroelectric techniques2026
  3. 3Chemometric-assisted classification of sunscreen sun protection factor using in vitro UV spectroscopy2026
  4. 4Standardized In Vivo Method Using High‐Resolution Diffuse Reflectance Spectroscopy for Evaluating Sunscreen Effectiveness Against Ultraviolet A and High‐Energy Visible Light2025
  5. 5Evaluation of the Effectiveness of Protective Lipsticks with Different Sun Protection Factor Values Against UVA and Infrared Radiation2025