Answer:
It stands upright and can be quite grand. Its secret is not hidden but right at hand. What is it?
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What turns from red to black as soon as it touches water?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?