Peptide Blend (Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7)

A blend of synthetic peptides composed of amino acids and palmitic acid. Palmitic acid is a fatty acid, thus increasing the peptide's chance for skin penetration. These peptides work as signal peptides where it functions like a postal address on an envelope - sending messages to trigger a particular response.

Palmitoyl Tripeptide-1 is a type 1 collagen fragment comprised of 3 amino acids (glycine, histidine, lysine) that stimulates collagen synthesis, targeting skin firmness and reducing the appearance of wrinkles and texture. Often compared to retinoic acid’s benefits, this peptide comes without the irritation. Palmitoyl Tetrapeptide-7 is a fragment of immunoglobulin G composed of 4 amino acids (glutamine, glycine, arginine, proline) that reduces inflammation after UVB exposure and stimulates collagen synthesis. In this case, this combination of peptides “tell” skin how to “look better,” working synergistically to repair and enhance the extracellular matrix structure by soothing and firming the skin.

“These particular peptides act like cellular signals, telling your skin to go into repair mode. When there is an actual wound or injury in the deeper layers of the skin, the skin proteins get torn into fragments, and those fragments act like signals, telling your skin cells to repair the damage and build more proteins in the skin. Here, we provide the signals without the injury, tricking the skin into thinking it needs to work hard to repair and replace damaged proteins. You can find these peptides in Retinal Night™ Advanced 0.1% Retinal Firming Treatment. These types of peptides are perfectly suited for retinoid night, because they work in a complementary way to strengthen the deeper layers of the skin, thereby firming and smoothing the appearance of fine lines and wrinkles over time.” - Dr. Whitney Bowe, Board-Certified Dermatologist, Scientist, Founder + CEO

Resources
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8400021/
https://www.mdpi.com/2079-9284/7/4/91
https://www.mdpi.com/2079-9284/4/2/16/htm?crsi=6624969152
https://www.mdpi.com/1424-8247/14/8/702
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