By THÉRÈSE MARGOLIS     Zen Tresses Orofluido, the Spanish haircare line that provides natural nourishment, protection and shine to tresses with the first-ever hair serum tested in the Sahara Desert, has a new line of shampoos, conditioners, treatment masques and elixirs especially created for Asian hair. Orofluido Asia Zen Control. An enticing blend of hair-nourishing ingredients based on treasured Asian secrets,