Melanotan vs Permatan

Hi,

Looking to get into using Melanotan. I've decided that I want to use Melanotan 1 instead of 2 just down to fact there seems to be less side effects.

However I've now come across this brand called permatan which has the following ingredients

Ingredients list : Aqua ( sterilized water , 0.9 % NaCl ) , PermatanComplex ™ ( T - oligos , BMT diol , Tyrosinase - related protein 1 , 1,25 ( OH ) 2 - vitamin D3 , n - Pentadecanoyl- , 4 Phenylbutyryl - His - D - Phe - Arg - Trp - NH2 ) Natural Flavours , Preservative .

I asked them how is their product different to the already existing Melanotan 2 products available and they said "Hi! It’s very similar to melanotan, specifically the active ingredient is a derivative of melanotan 2 that is more effective with greatly reduced side effects as it targets the MC4 receptor selectively"

I'm intrigued by this product but it's also very expensive. Has anyone used this before? Would it be even unsafer than Melanotan since its a derivative of Melanotan?