🔬 How It Actually Works
A cell-communicating peptide that mimics the breakdown products of the skin's extracellular matrix, tricking the skin into regenerating lost collagen and hyaluronic acid.
💖 Why Your Skin Loves It
Reduces skin roughness, increases elasticity, and minimizes deep wrinkles.
💡 Pro Tip
Highly effective even at very low concentrations.
🧪 The Mixology Guide
Skincare is chemistry. Here is how Tetrapeptide-21 interacts with other active ingredients on your shelf.
✅ Best Friends (Synergy)
Hyaluronic Acid
⚠️ Arch Enemies (Conflict)
Plays well with most ingredients.