This Folliboost serum by Tricho Labs with propylene glycol supports thicker and healthier hair growth.  The bottle contains 2 oz/60 ml.  Apply one ml using dropper to clean scalp (either wet or dry hair) where there is hair loss.  For best results, use twice a day.  Adults only, avoid direct contact with eyes.  Keep out of the reach of children.  For all hair types, peppermint scent.