Hello, the formula can be mixed. But it may not be appropriate because some ingredients. must be left on the hair to be absorbed into the hair for maximum efficiency not a washout which will be less effective These ingredients are
Pure Keratin 2%
Creatine 100 1%
AminoCMC™ (Cuticle Bonder) 1%
HydroAlgae™ 1%
Hydrolyzed rice protein (Powder) 2%
Panthenol (Vitamin B5) ExtraLite™ 2%
Hydro Protein (Soy, Oat , Wheat, Maize Protein) 1%. Using these ingredients Will be suitable for hair spray formulas. that the spray left on the hair allow the ingredients to be absorbed into the skin will clearly be more efficient.