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APotentially durableStandard research/education caution
CMP-0137
Cosmetic ingredient
Tetrapeptide-30
Cosmetic / Pigmentation
May reduce hyperpigmentation, age spots, and uneven tone with topical use
Reading this compound Reference only
Information below is educational. Dosing, mechanisms and status fields are compiled from the source list at the bottom of this page — always verify against a licensed clinician before use.
Reference-only summary of publicly discussed or source-listed patterns. Not medical advice and not a personal recommendation.
Mechanism & Use
- Compound type
- Cosmetic peptide
- Primary mechanism
- PKEK peptide; tyrosinase/melanogenesis and inflammatory-pigment signaling modulation
- Primary market use
- Skin brightening
Pharmacology
- Molecular weight (Da)
- ~500.6
- Oral bioavailability
- N/A (topical cosmetic)
- Half-life
- N/A / not established for topical cosmetic use
- Route tags
- SubQ; Injectable; route-dependent
- Evidence level
- Cosmetic/Human
- Clinical status
- Cosmetic ingredient
- Value-for-money score
- 6 / 10
Reported protocol signal
No clean popular protocol found in uploaded sources; create as research/reference entry and verify before public protocol display.
For orientation only. See disclaimer — always consult a licensed clinician before use.
Notes
MW calculated from PKEK sequence; most evidence is cosmetic/manufacturer-led