ghk-cu promotes collagen synthesis is one of the most studied peptides in skin regeneration and for good reason. This copper peptide supports synthesis, improves skin elasticity, and helps repair damaged tissue at the cellular What Is GHK-Cu? Copper Peptide

Ceramides are essential for maintaining PP2A activity in vivo [18]

The Safety Side of Things Copper peptides themselves are generally well-tolerated, but the other 30+ ingredients in some formulas come with their own question marks

It is not for human or veterinary consumption and must not be used as a drug, food additive, cosmetic, or household item

A lot of the vitamins could also not be absorbed

Before covering that, though, lets go over the pricing: Single purchase: $199.00 ($6.63 per mL) Subscription (15% off): $169.15 ($5.64 per mL) At first glance, 15% off may not seem like that large of a discount, especially considering competitor INNBEAUTY Project offers the exact same percentage off for its subscriptions to products that cost less to begin with