Ingredient guide
Nori Peptide
INCI name · porphyra umbilicalis peptide
In short
Nori peptide is a peptide fraction derived from Porphyra umbilicalis (nori). It is distinct from nori extracts or other Porphyra materials, and MIRU has not found a human topical study matching this exact fraction.
Works forFrom reviewed ingredient data
Barrier · Firmness
Best used
Anytime
What it is
Peptide fraction from Porphyra umbilicalis (nori/purple laver); INCI peptide form distinct from any nori or porphyra extract entries. MIRU has not found a human topical study matching this exact peptide fraction; findings from other nori materials or named peptides cannot be transferred to it.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Also found as
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Check an ingredient listCommon questions
What is Nori peptide?
It is a peptide-containing fraction derived from Porphyra umbilicalis (nori). The ingredient-list identity is the exact fraction named on the label, not the source organism in every form.
What evidence does MIRU hold for Nori peptide?
MIRU has not found a human topical study matching this exact peptide fraction. Findings from nori extracts or other Porphyra materials or from named synthetic peptides cannot be transferred to it.
How should Nori peptide be read on an ingredient list?
Read it as the exact peptide fraction listed on the label. A shared word such as “peptide” does not make it equivalent to KTTKS or Palmitoyl Pentapeptide-4.
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Personal guidance, not medical advice.