think from your class. transdermal patches cant deliver large doses (only about 10-20mg per day). this is not enough for what most people take. topical delivery is a good option. creams are still a good option; since most steroids have good penetration through the skin.
Bioidentical Hormone replacment therapy (for old women) is almost always done with creams. It is easier for granny to rub a cream on in the morning than shoot up. As to juicing, the highest levels can be reached with Intramuscular inj.