Modern cosmetics, and "green cosmetics" in particular, are rapidly evolving, with unique natural elements from strange sources.
Lipid
The amount and distribution of ceramide, an intercellular lipid, in the fingernails of three Japanese women in their twenties were examined and as were the structural changes of fingernail cross sections after fingernails were immersed in an aceto
It is known that hair colour is lost due to a decrease or lack of melanin in hair fibres.