- BIOSAR
- Ingredients
- Palmitoyl Tetrapeptide-7
Active ingredient
Palmitoyl Tetrapeptide-7
INCI · Palmitoyl Tetrapeptide-7
Palmitoyl Tetrapeptide-7 is a signal peptide widely used in firming and smoothing formulas. It is a key component of the Matrixyl 3000 complex and supports the look of firmer, more resilient skin with a smoother surface.
Mechanism in detail
What Palmitoyl Tetrapeptide-7 does
As a peptide, it sends supportive messenger-style signals that help reinforce the appearance of firmness and smoothness.
Where it helps
Concerns Palmitoyl Tetrapeptide-7 addresses
Aging
The first time you notice it is rarely a wrinkle. It is a quality of light — the way your skin catches it differently in a morning mirror, or the photo where you look more tired than you feel. The mechanism is real (collagen synthesis slows; elastin fragments; barrier turnover lengthens), but the felt experience comes first. Serenity Age is the range BIOSAR built for that pivot — Retinol for visible renewal and collagen support, peptides selected for documented signaling activity, and the SPF discipline that protects every other active you apply.
From the BIOSAR catalog
Products formulated with Palmitoyl Tetrapeptide-7

Serenity Age50 ml
Anti-Aging Neck & Decolletage Cream
Caffeine · Peptides · Palmitoyl Tetrapeptide-7