Follicle Fuel
1.0% AHK-Cu · Full scalp · Daily
A simple full-scalp step for a fuller-looking, well-conditioned hair appearance.
Morren Skin Science
Compare Hair & Scalp Serums
Choose by application area and formula preference—not by assuming that the highest percentage is automatically the best fit. Every option uses a disclosed formula and has its own full documentation page.
1.0% AHK-Cu · Full scalp · Daily
A simple full-scalp step for a fuller-looking, well-conditioned hair appearance.
2.5% AHK-Cu · Targeted areas · Daily
The highest-concentration option for a more focused routine at the temples, part line, or crown.
1.0% AHK-Cu + 0.5% GHK-Cu · Full scalp · Advanced / daily
Two transparent copper-peptide actives in one focused hair and scalp formula.
Read the complete ingredient lists, directions, storage guidance, and routine expectations before choosing.