white skinned people should be called beige skinned people. Only albinos could pretend to whitehish-ness and still they are mostly not, because even if their skin maximally reflect light, they are still made of blood. https://en.wikipedia.org/wiki/Albinism_in_humans BTW humans can become easily become black in a continuous like manner https://alchetron.com/cdn/melanotan-ii-d26dbedd-94fb-434a-8d... extreme: https://www.dailymail.co.uk/news/article-3198931/Reddit-user...

It's a very nice technology and is an example of permanent whole body genetic mutation via epigenetics.The issue is that it is irreversible.. The converse, a whitening substance does not exist yet but could exist in theory, by antagonizing the melanin receptors.