I'm a firm believer in stronger isn't always better.
Stronger = Much more scalp irritation.
Stronger = More itch / inflammation.
If you have a strong desire to use random copper peptides, and just want a hell of alot of them, Folligen is your product. Yes, it's stronger. Yes, it has more copper in general. Is it better? Don't think so. Infact, I doubt it. The entire point of SOD is to reduce scalp inflammation and create a healthy environment. How, then, can you say it's better to have an extremely potent product that irritates the scalp?
Also, the significant amount of random copper in the folligen is even questionable.