wash your hair in soap
All the fictitious made up wonder chemicals like "Pentapeptides" , by Laboroitoire garnier.
(Betty Boothroyd's Love custard Tourettes at the KOB, Sun 11 Apr 2010, 22:02, 5 replies)

Intelligent stain seekers.
Not sure how they might work. Intelligently seeking out stains on clothes in the chaos that is a washing machine.
( sandettie light vessel automatic New Twitter - @bollocksreally, Sun 11 Apr 2010, 23:03, closed)

I wouldn't dare to use them
They would crawl in my ears and eat my brain.
(unclestinky, Mon 12 Apr 2010, 22:59, closed)

Technically you can have a pentapeptide
It's just be 5 amino acids in a chain. Bit pointless really, dunno how it'd help your hair.
(Petite chien is going to do science to it, Sun 11 Apr 2010, 23:22, closed)

And most of the wonder ingredients seem to be water under a different name.
(GingerIrishTosser isn't dead yet., Mon 12 Apr 2010, 7:02, closed)

I love the little disclaimers at the bottom
"Clinically proven to give you stronger hair"

_{17 of 21 one-legged women tested agreed that their hair smelled like it might have been stronger after 40 days.}

Why not just take some hair and measure its strength using some weights? Well, I guess the answer's obvious, really - you might not get the right answer.
( Amish Information Systems hates misplaced, commas, Mon 12 Apr 2010, 17:48, closed)