essential part of quality control in the cosmetic industry. Some cosmetics must have certain forms to prove useful for their designed purpose
It is very vital
viscosity
the resistance to flow. It also refers to how the product behaves and flows when put in a particular container.
viscosity
3 reasons why viscosity of a product is vital
-easy to dispense
-easy to apply
-suit customer's perception
Liquid
flowfreelyfromrunnylikewatertorunnylikehoney
contain small amount of oils appropriately solubilized
liquid
thicker than liquid and has limited flow properties
gel
formed through the use of gums and other thickening agents
gel
foaming fel
honey like viscosity and limited flow capacity
low viscosity gel to almost lotion like
serum
low viscosity emulsion, may run semi freely,
lotion
The viscosity of lotions can be altered by using different emulsifyingagents, consistency factors (beeswax or other waxes), or gums or thickening agents.
medium to high viscosity emulsions
cream
mostly or entirely oil based with semi solidconsistency
balm
semi solid product with presence of oil and different clay
mud
contains various sized particles to exfoliate skin mechanically