History of Sunscreen

<p>People around the globe have protected their skin using a variety of substances throughout history. In the 19th and 20th centuries, deeper understanding of sunlight and the way it affects skin led to more protective sunscreen formulations. </p> <p><strong>Research:</strong></p> <ul> <li>Aldahan AS, Shah VV, Mlacker S, Nouri K. “The History of Sunscreen.” JAMA Dermatol. 2015;151(12):1316. doi:10.1001/jamadermatol.2015.3011</li> <li>Belmont, Trixie. “Suntans With Pay Off.” The Baltimore Sun. June 13, 1967. https://www.newspapers.com/image/377122417/?terms=%22franz%20greiter%22%20&amp;match=1</li> <li>Britannica, The Editors of Encyclopaedia. "Johann Wilhelm Ritter". Encyclopedia Britannica, 19 Jan. 2023, https://www.britannica.com/biography/Johann-Wilhelm-Ritter</li> <li>Diffey, B. “Has the sun protection factor had its day?.” BMJ (Clinical research ed.) 320,7228 (2000): 176-7. doi:10.1136/bmj.320.7228.176</li> <li>Greiter, F. and Gschnait, F. “EFFECT OF UV LIGHT ON HUMANS.” Photochemistry and Photobiology. 1984. 39: 869-873. https://doi.org/10.1111/j.1751-1097.1984.tb08873.x</li> <li>Hodgskiss, Tammy. “What the use of ochre tells us about the capabilities of our African ancestry.” The Conversation. Sept. 7, 2015. https://theconversation.com/what-the-use-of-ochre-tells-us-about-the-capabilities-of-our-african-ancestry-47081</li> <li>“History of Hamilton.” https://www.hamiltonsunandskin.com.au/history-of-hamilton</li> <li>Leach, Doreen, and Julie Beckwith. “The founders of dermatology: Robert WilIan and Thomas Bateman.” Journal of the Royal College of Physicians of London. Vol. 33, No. 6. November/December 1999. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9665792/pdf/jrcollphyslond146949-0084.pdf</li> <li>MacEACHERN W.N. and O.F. JILLSON. “A Practical Sunscreen— ‘Red Vet Pet.’” Arch Dermatol. 1964;89(1):147–150. doi:10.1001/archderm.1964.01590250153027</li> <li>Rathish, Shruthi, and Sebastian Criton. “Robert Willan – A True Pioneer.”  Department of Dermatology, Venereology and Leprosy, Amala Institute of Medical