Dentist prescribed home applied bleaching technique uses:
HOME BLEACHING TECHNIQUE/NIGHT GUARD BLEACHING
Commonly used solution for night guard bleaching 

10% carbamide peroxide with or without carbopol.
15% carbamide peroxide.
Hydrogen peroxide (1-10%).
35% Hydrogen Peroxide
10% Carbamide peroxide
18% Hydrochloric acid
Sodium perborate