I've tried this. It worked the first time, but not the second or third time, so I haven't done it again. I still ended up with nicks in my nail polish.

I now use Sally Hansen's Mirror Shine top coat that dries in 60 seconds and hardens ALL the layers so I find it works better than the PAM trick.
Ontario, Canada curly following CG since March 2013 (I'm new!)

Hair Type: 2C/3A
Porosity: High (??)
Density: Medium
Width: Mixed

Trying something new:
Low-Poo: Giovanni 50:50
CO: Suave Naturals Strawberry Conditioner
RO: TN Vibrantly Smooth Conditioner
LI: President's Choice Hydrating Conditioner (protein-rich); Biolage Conditioning Balm
Styling: HETT Curl Gel; AVG; Biotera firm-hold styling gel