GHK-Cu Copper Peptide Face & Neck Serum

Love this stuff

I’ve tried everything and this is the first serum that has made a noticeable change. My neck is less saggy and the fine lines around my eyes aren’t as bad. I use the lotion too. Recently stared using my red light mask after applying in the evenings and noticed even more improvement.

GHK-Cu Peptide Face & Neck Serum

I purchased my first bottle of GHK-Cu. It was the only product I added to my normal skin care routine. I am amazed how many compliments I have received in the past week. I am going to order another bottle. My skincare looks brighter, firmer and glows. I have enjoyed using your product. Best regards, Jessica Winter

Disappointed by Inconsistent GHK-Cu Formulations

I have been using Neurogan Health’s GHK-Cu serum since February, and unfortunately I’ve noticed inconsistent formulations between purchases. The first bottle I purchased in February was excellent. When I reordered, I noticed the serum had changed from a blue color to a greenish color. Although the appearance was different, it still performed well, so I didn’t have any concerns. However, the formulation I purchased in May has been a completely different experience. Since using this bottle, the serum pills (rolls up) as soon as I apply my moisturizer and SPF. I use the same skincare products—La Roche-Posay moisturizer and sunscreen—that worked perfectly with the previous formulations, so nothing else in my routine has changed. To make sure it wasn’t user error, I tried several different application methods: * Applying the serum to slightly damp skin. * Applying it to dry skin. * Allowing the serum several minutes to fully absorb before applying moisturizer. * Waiting between each skincare step before applying SPF. Despite all of these adjustments, the serum continues to pill. This was never an issue with the earlier formulations. I purchased this product because I was happy with its original quality, but the lack of consistency from batch to batch has made it difficult to rely on. At this point, I am looking for another brand that offers a more consistent GHK-Cu formulation. I hope Neurogan Health addresses these formulation inconsistencies because the original product was one I genuinely enjoyed using.