Fucoxanthin exists in many kinds of alga, marine phytoplankton, hydrophily testacean animals.
It is brown yellow powder, and we can see it with our naked eyes. It is easily soluble in ethanol.
Bearberry is also called lingonberry, the main extract is arbutin and the content is up to 25%. Its main function is brightening skin and it has also been used as food addition agent.