Acetyl tetrapeptide-5
is used in cosmetic eye formulations to decrease puffiness, eye bags, and dark circles by reducing edema and protecting proteins such as SOD from glycation
Alanine
Ala / A · hydrophobic residue · neutral charge
AOD-9604
is studied as an anti-obesity peptide that can reduce weight gain and increase fat oxidation in obese animal models with generally neutral effects on IGF-1 and glucose metabolism in early human trials
Arginine
Arg / R · basic residue · positive charge
Argireline
is a topical cosmetic peptide reported to decrease dynamic wrinkles by partially mimicking the mechanism of botulinum toxin in a non-invasive manner
Asparagine
Asn / N · polar residue · neutral charge
Aspartic acid
Asp / D · acidic residue · negative charge
BPC-157
is investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects
Comparison
While Acetyl tetrapeptide-5 is used in cosmetic eye formulations to decrease puffiness, eye bags, and dark circles by reducing edema and protecting proteins such as SOD from glycation51150159154, BPC-157 is investigated for accelerating healing of gastrointestinal mucosa, tendons, ligaments, bone, and nervous tissue in preclinical models, with anti-inflammatory and pro-angiogenic effects111.
While Acetyl tetrapeptide-5 works as a synthetic tetrapeptide, Ac-βAla-His-Ser-His (Eyeseryl), with reported ACE-1 inhibition and anti-glycation activity, proposed to improve microcirculation and reduce capillary permeability and fluid accumulation in periorbital tissues51150159157, BPC-157 is a synthetic 15-amino-acid fragment of a gastric cytoprotective protein that promotes angiogenesis and tissue protection primarily by modulating VEGFR2 signaling, Src/caveolin-1–dependent eNOS activation, and nitric oxide production111.
Acetyl tetrapeptide-5
Not assigned in the current dataset.
BPC-157
Not assigned in the current dataset.
Both peptides fall into a similar broad context as Signal peptides, although the details of how they are used and discussed still diverge. Both are most often discussed in Dermatology and aesthetics, which gives the comparison a meaningful common setting even when the rest of their profiles are not identical. Both appear to work through Signaling modulator, but the functional emphasis still separates, with Acetyl tetrapeptide-5 leaning toward Anti-inflammatory and BPC-157 leaning toward Tissue repair and healing and Angiogenesis modulation. Acetyl tetrapeptide-5 has a more synthetic design origin, while BPC-157 is closer to synthetic analog background and their development context also differs, with Acetyl tetrapeptide-5 cosmetic grade while BPC-157 is in Preclinical development. Acetyl tetrapeptide-5 incorporates acetylation features that are not part of BPC-157.