Guide

Yes, you can substitute flour for cornstarch, but use twice as much all-purpose flour because cornstarch has about double the thickening power.

Yes, but use about half as much cornstarch as flour in most sauce and gravy recipes to get the same thickness.

No, sneezing is not possible during REM or deep sleep due to natural muscle paralysis, though it may theoretically occur during very light NREM sleep.

Yes, you can shave without shaving cream in a pinch, but it raises the risk of cuts and skin irritation.

Body lotion can substitute for shaving cream in a pinch by providing enough glide for the razor.

No, regular Neosporin (triple antibiotic ointment) is not recommended for lips — it can irritate delicate skin or trigger allergic reactions.

No, Neosporin is not recommended for new tattoos. It can cause allergic reactions and heavy scabbing that may pull out ink.

No, regular body lotion can irritate sensitive genital skin.

Applying standard deodorant to your testicles is not recommended by most healthcare providers due to the high risk of skin irritation from common.

Vitamin B12 is water-soluble, so the body generally flushes out what it doesn’t use through urine.