Frédéric Fekkai PrX Reparatives 3-Day Transformation
If your dyed-and-fried hair is on life support, resuscitate it with Frédéric Fekkai PrX Reparatives 3-Day Transformation. The kit comes with three vials of a keratin-and-silk protein treatment that makes hair less likely to break. Use one vial on towel-dried hair after shampooing, for three consecutive days.
To buy: $100, fekkai.com.