{"id":2656,"date":"2024-01-01T09:00:00","date_gmt":"2024-01-01T09:00:00","guid":{"rendered":"https:\/\/www.rodanandfields.com\/en-us\/blog\/?p=2656"},"modified":"2026-07-30T01:39:00","modified_gmt":"2026-07-30T01:39:00","slug":"expert-contributor-dr-daan-thorn-leeson","status":"publish","type":"post","link":"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/expert-contributor-dr-daan-thorn-leeson\/","title":{"rendered":"Expert Contributor: Dr. Daan Thorn Leeson"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Dr. Daan Thorn Leeson is the Senior Director for Innovation and Formulation at Rodan + Fields. In this role, he oversees the formulation of all new Rodan + Field products, including the development of ingredient technology, and is ultimately responsible for the efficacy and performance of all Rodan + Field products.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dr. Thorn Leeson has worked in Skincare Research &amp; Development for well over 20 years, having been at the forefront of many innovative product technologies resulting in more than 20 patents and patent publications. During this time, he has focused on methods of measuring and improving the skin\u2019s barrier function, the discovery and development of novel botanical actives, the application of retinoids in facial anti-aging, and the application of bio-engineered ingredients in topical skincare formulations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the early days of his career, prior to entering the skincare field, Dr. Thorn Leeson was a highly respected scientist in the field of protein biophysics. After receiving his PhD in chemistry at the <a href=\"https:\/\/www.rug.nl\/\" target=\"_blank\" rel=\"noreferrer noopener\">University of Groningen<\/a> in the Netherlands, he was awarded a prestigious postdoctoral fellowship at<a href=\"https:\/\/www.lanl.gov\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Los Alamos National Laboratory<\/a> in New Mexico. Dr. Thorn Leeson\u2019s work in protein folding and dynamics has been published in prestigious journals such as <em><a href=\"https:\/\/www.nature.com\/nsmb\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nature Structural Biology<\/a> <\/em>and <em><a href=\"https:\/\/www.pnas.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">The Proceedings of the National Academy of Sciences<\/a>.<\/em><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/expert-contributor-dr-daan-thorn-leeson\/#Select_Publications\" >Select Publications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rodanandfields.com\/en-us\/blog\/science-of-skincare\/expert-contributor-dr-daan-thorn-leeson\/#Select_Patents\" >Select Patents<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Select_Publications\"><\/span>Select Publications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In vivo confocal fluorescence imaging of skin surface cellular morphology: A pilot study of its potential as a clinical tool in skin research<br>D. Thorn Leeson, C.L. Meyers and K. <em>Subramanyan Int. J. Cosmet. Sci.<\/em> 28 (2006) 9-20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The energy landscape in non-biological and biological molecules<br>H. Frauenfelder and D.Thorn Leeson <em>Nature struct. Biol.<\/em> 5 (1998) 757-759<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Protein folding and unfolding on a complex energy landscape<br>D. Thorn Leeson. F. Gai, H.M. Rodriguez, L.M.<br>Gregoret and R.B. Dyer <em>Proc. Natl. Acad. Sci. USA<\/em> 97 (2000) 2527-2532<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Looking into the energy landscape of myoglobin<br>D. Thorn Leeson and D.A. Wiersma <em>Nature struct. Biol.<\/em> 2 (1995) 848-851<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Real time observation of low-temperature protein motions<br>D. Thorn Leeson and D.A. Wiersma <em>Phys. Rev. Lett.<\/em> 74 (1995) 2138-2141<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Select_Patents\"><\/span>Select Patents<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Collagen and elastin stimulating compositions and uses thereof<\/em><br>D. Thorn Leeson, U. Santhanam, J.W. Lyga, S.W. Chen, R.J. Wyborski<br>US Patent No. US 10,195,136 B2, February 5, 2019<br><br><em>Methods for treating skin<\/em><br>U. Santhanam, J. Idkowiak-Baldys, D. Thorn Leeson, A.D. Gonzalez, G.T. Anderson<br>US Patent No. US 9,956,151 B2, May 1, 2018<br><br><em>Maesa japonica extracts and methods of use<\/em> <br>S.W. Chen, Q. Zheng, J.W. Lyga, U. Santhanam, R.J. Wyborski, D. Thorn Leeson, P. R. Khusial<br>US Patent No. US 8,709,507 B2, Apr. 29, 2014<br><br><em>Method for imaging skin surface intercellular and intracellular structure using a compound to enhance contrast<\/em><br>D. Thorn Leeson, K.K. Subramanyan and K.P. Ananthapadmanabhan<br>US Patent No. US 6,544,183 B2, Apr. 8, 2003<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"ProfilePage\",\n  \"name\": \"Dr. Daan Thorn Leeson\",\n  \"description\": \"Daan Thorn Leeson, Senior Director for Innovation and Formulation at Rodan + Fields.\",\n  \"dateCreated\": \"2024-05-02T12:34:00-05:00\",\n  \"dateModified\": \"2024-05-02T14:53:00-05:00\",\n  \"url\": \"https:\/\/www.rodanandfields.com\/en-us\/blog\/expert-contributor-dr-daan-thorn-leeson\",\n  \"publisher\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Rodan + Fields\",\n    \"url\": \"https:\/\/www.rodanandfields.com\"\n  },\n  \"isPartOf\": {\n    \"@type\": \"WebSite\",\n    \"name\": \"Rodan + Fields Blog\",\n    \"url\": \"https:\/\/www.rodanandfields.com\/en-us\/blog\/\"\n  },\n  \"mainEntity\": {\n    \"@type\": \"Person\",\n    \"name\": \"Dr. Daan Thorn Leeson\",\n    \"honorificPrefix\": \"Dr.\",\n    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