Creams and ointments

Question 1

Route of delivery into the skin is primarily accomplished through

Answer 1

lipid layer

Question 2

_______ emulsifiers are “skin friendly” because they do not disrupt barrier properties of the skin due to the fact ______

Answer 2

Liquid crystal forming

they act like ceramides and phospholipids found in skin

Question 3

popular examples of liquid crystal forming emulsifiers

Answer 3

lecithin

hydrogenated lecithin

Question 4

feel, application and delivery of active will be affected by

Answer 4

emollient choice