I admit to owning a bottle of this pretentiously long-named stuff. One night I washed my hair and applied some to the wet ends. It dried overnight, I brushed it out in the morning, and wow-- my hair was all glossy and smooth. Felt like a Pantene commercial.
So I glossed around all day looking much smarter than you frizzy dull-haired folk, and towards evening after catechism I was ready to go to the 6:30 PM Mass. Long hair and a short triangle veil look lame together, so as usual I went to the bathroom mirror to put my hair up. Only it would NOT stay in place. My lovely shiny hair had also become incredibly slippery. After many attempts I tortured it into the neatest bun yet, captured it in the butterfly clip, looked into the mirror to see the result, and FWOOMP-- it fell right out again.
In the end I got my hair to stay up by the desperate expedient of wetting it down. The first reading had started by the time I finally slunk into Mass.
That night I checked the ingredients of Citre Shine Shine Miracle Anti-Frizz Serum. First on the list: Cyclopentasiloxane. Which is... wait for it... a "silicone fluid characterized by high lubricity". So that explains that-- I'd coated my hair in nonstick silicon!
"Vanity, vanity!" saith the Preacher. "Vanity of vanities! All is vanity!"