RATIONALE Research
The culmination of three decades of relentless dedication: RATIONALE Research represents our continued commitment to your skin health, ensuring our pioneering Formulations and Treatments continue to set a new benchmark in skincare excellence.
The Research Papers
Welcome to our online platform dedicated to showcasing RATIONALE's exclusive findings, reaffirming our role as a prominent Research Company in the skincare industry. Here, you can explore in-depth information and delve into the pivotal discoveries emerging from our ongoing series of published studies, research papers, and much more.
Research Paper 0: The Assessment of Skin Rejuvenation using Solar Protection and Solar Repair.
Professor Yohei Tanaka, MD
Title:
Long-term objective assessments of skin rejuvenation using solar protection and solar repair are shown through digital facial surface analysis and three-dimensional volumetric assessment.
Participants:
18 patients aged 22 to 70 years.
Formulations:
RATIONALE Essential Six Signature Edition for 12 months.
Results:
94% of participants were satisfied with the results. Participants observed significant enhancements in skin texture, tone, luminosity, and volume.
Paper 0 Summary
RATIONALE Founder and Director, Richard Parker
Research Paper 01: Up-regulated expression of ICAM1, PTG52, LCE3D, PPARD, and GM-CSF2 following solar skincare protection and repair strategies in a 3-dimensional reconstructed human skin model.
Professor Yohei Tanaka, MD
Formulations:
RATIONALE Essential Six Signature Edition
Results:
In this research, 67 genes responsible for skin health were upregulated—including genes responsible for …
Barrier defence by 278%
Antioxidant protection by 86,000%
Solar and environmental protection by 389%
Barrier repair by 409%
pH recalibration by 142%
Cellular turnover by 1,251%