We were once Black, then came Olay Whitening Cream.

Long long time ago before the existence of all the continents we have today, lands are actually joined together. And there was only one human race.And this human race looks like African. Hence, the theory "We were once Black" applies.
Later, Earth surface split; and formed a few continents.
There were some melamine-deficient groups that became albinos moved to a new continent we all know today as Europe.
And some were left stranded in a big continent called Africa.
The remaining used Olay Whitening Cream and moved elsewhere.(Asia, South America and etc : Those who're neither Black or White)
We are the Olay Whitening Cream generation.A commercialized theory of how we could have all evolved.