Skin conditions - management Flashcards
(10 cards)
What is a finger tip unit?
This length can be measured in terms of a fingertip unit (the distance from the tip of the adult index finger to the first crease). One fingertip unit (approximately 500 mg from a tube with a standard 5 mm diameter nozzle) is sufficient to cover an area that is twice that of the flat adult handprint (palm and fingers).
Which formulation dries to form a flexible film over the skin?
Collodions.
What type of emulsion is a cream?
Oil-in-water emulsion.
Which formulation is ideal for the face and scalp due to its high water content?
Gels.
What are shake lotions and what do they leave behind?
Lotions containing insoluble powders like calamine; they leave a residue on the skin.
What are water-soluble ointments made with, and what is their advantage?
Made with macrogols; easily washed off and useful when removal is important.
How long should a diluted cream or ointment be used for?
Within 2 weeks.
What is the recommended amount of cream for both hands for 1 week of twice daily application?
25–50 g.
What quantity of lotion is typically needed for the trunk?
500 mL.
What is the issue with talc in dusting powders?
Can cause respiratory irritation.
