Peptable

Comparison

Acetyl tetrapeptide-5 vs DSIP

Function

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, DSIP was originally described for inducing spindle and delta sleep activity when infused into the brain of rabbits; later studies report stress-modulating and endocrine effects, though its physiological role is still debated47.

Mechanism

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, DSIP is an endogenous nonapeptide, Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu, with proposed neuromodulatory actions; it interacts with components of the MAPK cascade and may be related to glucocorticoid-induced leucine zipper (GILZ), but its precise biosynthetic origin remains unknown4757.

Receptor

Acetyl tetrapeptide-5

Acts as an enzyme inhibitor (eg, ACE-1, glycation-related pathways) rather than via a specific membrane receptor51159

DSIP

Not clearly established in the current dataset.

Organism or Origin

Acetyl tetrapeptide-5

Fully synthetic cosmetic peptide (Eyeseryl) 150157

DSIP

Endogenous vertebrate neuropeptide; its encoding gene has not been identified47

Gene

Acetyl tetrapeptide-5

Not assigned in the current dataset.

DSIP

Not assigned in the current dataset.

Summary

Acetyl tetrapeptide-5 and DSIP are noticeably different, with limited direct overlap in their usual biological context. Their typical research and application settings separate fairly clearly: Acetyl tetrapeptide-5 is more often discussed in the realm of Dermatology and aesthetics, whereas DSIP is more often associated with the realm of Neurology and brain health. Their biological logic is quite different: Acetyl tetrapeptide-5 is a signaling modulator, whereas DSIP is a neurotransmitter modulator. Acetyl tetrapeptide-5 has a more synthetic design origin, while DSIP is closer to natural endogenous background and their development context also differs, with Acetyl tetrapeptide-5 cosmetic grade while DSIP is approved for Research use only. Acetyl tetrapeptide-5 incorporates acetylation features that are not part of DSIP.

Related articles

No related articles are linked to these peptides yet.

Sources

51[PDF] Acetyl tetrapeptide-5 - SkinMiles, https://skinmiles.com/wp-content/uploads/2017/12/Matriskin-Ingredients.pdf
150The important eye peptide of acetyl tetrapeptide-5 - ChemicalBook, https://www.chemicalbook.com/article/the-important-eye-peptide-of-acetyl-tetrapeptide-5.htm
153Acetyl Tetrapeptide-5 (Eyeseryl) | CAS 820959-17-9 Manufacturer ..., https://www.conscientia-industrial.com/peptides/acetyl-tetrapeptide-5-eyeseryl-cas-820959-17-9
154Bioactive peptides in cosmetic formulations: Review of ..., https://www.sciencedirect.com/science/article/pii/S0196978125001019
157Effects of Peptides in Cosmetics, https://aapep.bocsci.com/resources/cosmetic-peptides.html
159Acetyl tetrapeptide-5 | ACE-1 Inhibitor | MedChemExpress, https://www.medchemexpress.com/acetyl-tetrapeptide-5.html
47DSIP (Delta sleep-inducing peptide), https://particlepeptides.com/en/content/12-dsip