➢ Consist of organic macromolecules that are uniformly distributed throughout the liquid in such a manner that there is no boundaries existing between them and the liquid PREFERRED: semi-solid state (particularly used in ointments and grims), high degree of clarity, ease of application, and ease of removal and use quickly absorbed by our skin that is why it is more preferable preferred mostly in skincare products since they will not clog the pores unlike ointments that are very heavy that it will cause clogging of pores and more pimples