This oil is good quality to the hair estrogen used is this the oil anyone use that not said effects it strengthen hair and make it thick and long there is a great smell of this oil the design of this oil bottle is very good at first, my hair was than and had become that about now I do not shake and become strong it usese hair to shine and hair become dense too it is cheaper than oil and oil and it is good the use of oil dose not even have viscosity I have my used this myself and told you my experience.