Peptide
Arginine/lysine Polypeptide
Firming, nourishing, repairing
Key Benefits
- Supports surface hydration
- Forms a smoothing conditioning film
- Helps improve softness and suppleness
- Complements firming formulas
How It Works
Ingredient Details
INCI Name: Arginine/Lysine Polypeptide
Ingredient Type: Amino-acid polypeptide
Best For
Normal to dry skin · Dehydrated skin · Rough-feeling skin · Age-supportive routines
Research
View Bioactive Peptide Study →What It Is
What It Does
Arginine/lysine Polypeptide FAQs
Common questions about this ingredient in skincare.
What is Arginine/Lysine Polypeptide?
It is a polypeptide made mainly from arginine and lysine amino-acid units and used for conditioning, hydration, and age-supportive formulas.
Is it the same as collagen?
No. It is a distinct amino-acid polymer and does not become collagen when applied to skin.
What does it do for skin?
It can support water binding, film formation, softness, and a smoother surface feel within a well-designed formula.
Does it repair damaged skin?
It may support conditioning and appearance, but it should not be described as permanently repairing living tissue without specific clinical evidence.
Can it be used with other peptides?
Generally yes. Peptide combinations are common, although stability, compatibility, and evidence for the complete formula matter.
How strong is the research?
A clinical microneedle study included this polypeptide, but direct evidence for conventional topical use of the isolated ingredient remains limited.
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Products Featuring Arginine/lysine Polypeptide
