Perfect Ratio for GHK-Cu Serum – Need Expert Advice
What’s the ideal % concentration of GHK-Cu in hyaluronic acid for best results?
B
Author
A
Member
C
Member
M
Member
P
Member
K
Member
C
Member
G
Member
C
Member
H
Member
B
Member
J
Member
G
Member
K
Member
J
Member
C
Member