What is it about?
Femtosecond laser technology, specifically multiphoton tomography (MPT), enables non-invasive, label-free optical 3D biopsies of human skin with superior submicron resolution. This advanced imaging technique is increasingly used in the cosmetics industry. MPT provides detailed information on skin aging indices, stimulated collagen biosynthesis, the distribution of sunscreen nanoparticles, and skin cell metabolism.
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Why is it important?
Leading cosmetic companies utilize multiphoton tomography to evaluate the effectiveness of their anti-aging products—without relying on artificial skin models, animal testing, or invasive biopsies.
Perspectives
Multiphoton tomography has become a versatile tool in the cosmetic industry. Of particular interest are optical metabolic imaging of the living epidermis and the assessment of modifications in the elastin-to-collagen ratio.
Prof Karsten Koenig
JenLab
Read the Original
This page is a summary of: Multiphoton Tomography in Cosmetic Research, Cosmetics, March 2025, MDPI AG,
DOI: 10.3390/cosmetics12020044.
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