Acetyl Tetrapeptide-5 vs Palmitoyl Tripeptide-1 at a glance
Acetyl Tetrapeptide-5
Palmitoyl Tripeptide-1
Type
Key active
Key active
What it is
Anti-edema / anti-puffiness peptide
Signal peptide / anti-aging active
Flags
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Acetyl Tetrapeptide-5
Acetyl Tetrapeptide-5 is a synthetic peptide used in cosmetics primarily to reduce periorbital puffiness and improve skin elasticity by inhibiting angiotensin-converting enzyme activity and reducing fluid accumulation and glycation. It is commonly found in eye creams and anti-aging formulations.
Palmitoyl Tripeptide-1 is a synthetic palmitoylated peptide (sequence Gly-His-Lys) used in cosmetics to signal fibroblasts and support collagen and extracellular matrix synthesis. It is commonly combined with other peptides in anti-aging and firming formulations.
What is the difference between Acetyl Tetrapeptide-5 and Palmitoyl Tripeptide-1?
Acetyl Tetrapeptide-5: Acetyl Tetrapeptide-5 is a synthetic peptide used in cosmetics primarily to reduce periorbital puffiness and improve skin elasticity by inhibiting ang Palmitoyl Tripeptide-1: Palmitoyl Tripeptide-1 is a synthetic palmitoylated peptide (sequence Gly-His-Lys) used in cosmetics to signal fibroblasts and support collagen and ex
Which is better for my skin, Acetyl Tetrapeptide-5 or Palmitoyl Tripeptide-1?
Neither is universally better — it depends on your skin type, tolerance and what else is in your routine. The flags above (fungal-acne, pore-clogging, fragrance, pregnancy) are the objective differences; a dermatologist can weigh them for your skin.
Can I use Acetyl Tetrapeptide-5 and Palmitoyl Tripeptide-1 together?
Check the compatibility verdict linked on this page, or run your full routine through the routine checker before combining actives.
General educational information for Indian skin, compiled from published dermatology literature and structured ingredient data. Not medical advice or a diagnosis.