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. 2017 Apr 4;5:11. doi: 10.1186/s40359-017-0181-4

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — The Tan Process. The tan process involves variable use of tanning beds for the purposes of both building immediate color as well as building tolerance to allow for the eventual development of an increasingly darker tan