In a landmark human trial comparing topical GHK-Cu to vitamin C and retinoic acid (tretinoin), GHK-Cu produced measurable collagen increases in 70% of study volunteers outperforming both comparator treatments (Abdulghani et al., 1998)
A total of 50 participants (men and women, 3560 years of age) with dry skin, skin moisture content of 49% or less, or crows feet greater than grade 3 were tested for 12 weeks in this double-blind, randomized, parallel, placebo-controlled study (equal numbers of subjects were in the APCP or placebo groups)
For wholesale buyers, choosing the right products depends on the sales channel, customer type, price level, and product usage scenario
BMC Cancer 4:13
Many people often ask if its safe to take Tylenol after drinking alcohol