Matrixyl
Also known as: Palmitoyl Pentapeptide-4, Pal-KTTKS, Matrixyl 3000, Matrixyl Synthe'6
A widely used cosmetic peptide developed by Sederma that stimulates collagen production in the skin. Multiple clinical studies show it reduces wrinkle depth and improves skin firmness. It is one of the most proven and accessible anti-aging skincare peptides available over the counter.
How it works
Matrixyl is a signal peptide that mimics a fragment of collagen. When applied to the skin, it tricks skin cells (fibroblasts) into thinking collagen has been broken down and needs to be rebuilt. This triggers increased production of collagen types I, III, and IV, along with elastin, fibronectin, and glucosaminoglycans. The palmitoyl (fatty acid) tail helps it penetrate the skin barrier more effectively.
Common uses
- Wrinkle and fine line reduction
- Collagen and elastin stimulation
- Skin firmness improvement
- Anti-aging skincare
Side effects
- Very well-tolerated
- Rare mild skin irritation or redness
- Allergic reactions are uncommon
- No systemic side effects from topical use
Key research
- Double-blind study showed 18% reduction in fold depth, 37% reduction in fold thickness, and 21% improvement in skin firmness after just 28 days
- 12-week placebo-controlled study of 93 women showed significant wrinkle reduction versus placebo
- Studies report up to 68% wrinkle depth reduction at 4 ppm concentration after 2 months of twice-daily application
Safety notes
- Available in over-the-counter skincare products without a prescription
- Generally recognized as safe for cosmetic use
- The Ordinary offers Matrixyl 10% + HA serum as an affordable option (around $11)
- Not a drug and not FDA-regulated as a peptide therapy
- Results require consistent daily application over weeks to months
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