Which of the following skin infestation products available over the counter contains the greatest mass of the active ingredient Permethrin in total?
Select one:
a. Hedrin Lotion Spray® 50 mL (4% w/v Dimethicone)
b. Quellada Headlice Treatment® 100 mL (1% w/v Permethrin)
c. Lyclear Cream® 30 g (5% w/w Permethrin)
d. Quellada Scabies Treatment® 100 mL (50 mg/mL Permethrin)