The Journal of Biological Chemistry, 271(47), 2999329998
(2002, cited in modern reviews): A 12-week clinical trial with topical GHK-Cu cream in women with photodamaged skin showed improvements in skin density, firmness, thickness, elasticity, and moisture
These are common alternative search terms, while Bacteriostatic Water is the clearest product term for product pages and technical descriptions
The effects were measurable and reproducible
Interestingly, this notion is in agreement with the observation that c-Met activating mutations require HGF to enhance their catalytic effectiveness (Michieli et al., 1999)
Rebuilds collagen & firms skin