Help me create some scam Magical Items

Pseudo lycanthropy potion- claims to give effects of lycanthropy, minus curse spread for 1d4 hours, is actually a failed baldness remedy that causes fur to grow over the body (inverse effect or color change on furred creatures).

potion of dragon's breath- claims to grant spell, is actually extracted dragonborn breath, bursts into appropriate element when opened/exposed to air dealing 1d6 damage in a 5ft radius. sold for significantly much more than the 50gp an alchemist fire flask is sold for.

Ogre body potion- claims to give the strength and size of an ogre for 1d4 hours, only gives the imbiber their muscular yet fat figure, does not change size category or improve actual strength. kind DMs should let the imbiber get advantage intimidating though.

Philter of Placebic Power and Postcognition- Drinking this potion gives a mild sugar high and the realization one has be duped

/r/DnD Thread