Letters Has the sun protection factor had its day? BMJ 2000; 320 doi: https://doi.org/10.1136/bmj.320.7244.1274/a (Published 06 May 2000) Cite this as: BMJ 2000;320:1274 Article Related content Metrics Responses Peer review Related articles Education And Debate Has the sun protection factor had its day? Published: 15 January 2000; BMJ 320 doi:10.1136/bmj.320.7228.176