Oligopeptide-29 is a synthetic signaling peptide engineered to support the structural integrity of the extracellular matrix. It primarily functions by communicating with fibroblasts to encourage the synthesis of essential proteins and glycosaminoglycans, thereby improving skin firmness.
- INCI Name:
- Oligopeptide-29
- Chemical/Scientific Name:
- Synthetic peptide consisting of twelve Amino Acids (Arginine, Aspartic Acid, Cysteine, Glutamic Acid, Glutamine, Glycine, Histidine, Lysine, Methionine, Phenylalanine, Serine, and Threonine).
- Common Aliases:
- CG-Oligopeptide-29
| Category: | Active Substances |
| Source Origin: | Synthetic |
| Comedogenic Rating: | 0 |
| Primary Industries: | Cosmetics, Skincare |
| Solubility: | Water-soluble |
At a Glance: Properties & Effects
| Anti-Aging/Renewal: | |
| Barrier Repair: | |
| Skin Benefits (Brightening): | |
| Irritation Risk: |
Primary Benefits:
- Stimulates the production of Collagen and elastin to improve skin elasticity.
- Supports the synthesis of endogenous Sodium Hyaluronate within the dermis.
- Assists in the repair of the extracellular matrix after environmental damage.
Potential Risks:
- Minimal risk of irritation, though rare sensitivity to synthetic peptides can occur.
- Limited long-term independent clinical data compared to gold-standard retinoids.
Biological Action & Cosmetic Profile
Cellular signaling serves as the primary mechanism for this twelve-chain synthetic peptide. By mimicking naturally occurring protein fragments within the skin, it acts as a ligand for specific cell-surface receptors on fibroblasts. Once these receptors are activated, the skin initiates a wound-healing response that upregulates the transcription of genes responsible for structural protein synthesis. This process is essential for maintaining the tensile strength and resilience of the dermal layer.Dermal density often decreases with age due to the enzymatic degradation of the extracellular matrix. Research indicates that certain oligopeptides can inhibit the activity of matrix metalloproteinases (MMPs), which are the enzymes responsible for breaking down Collagen. By simultaneously boosting production and slowing degradation, the peptide helps stabilize the skin’s framework. Its water-soluble nature makes it highly compatible with aqueous serum bases, where it can be stabilized for optimal delivery into the upper layers of the stratum corneum.
Broader Applications & Origins
Synthetic production ensures a high degree of purity and consistency that is unattainable through botanical extraction. Laboratory synthesis allows for the precise sequencing of Amino Acids, ensuring the molecule remains bio-active and capable of penetrating the skin barrier effectively. While primarily utilized in anti-aging facial serums, its restorative properties have also led to its inclusion in post-procedure skincare intended to accelerate recovery.
Routine Integration
Synergies:
- Niacinamide: Enhances the barrier-strengthening effects and improves overall skin texture.
- Glycerin: Provides the necessary hydration to support the cellular environment where peptides function.
- Acetyl Hexapeptide 8: Offers a complementary approach by targeting expression lines while Oligopeptide-29 targets structural firmness.
Conflicts:
- No known major contraindications; however, highly acidic formulations (pH below 3.5) may potentially destabilize peptide bonds over long periods.
Clinical Consensus & Safety
Dermatological assessments through the Cosmetic Ingredient Review (CIR) Expert Panel generally classify synthetic peptides like Oligopeptide-29 as safe for use in personal care products. Because they are composed of Amino Acids naturally found in the human body, they exhibit high biocompatibility and a very low incidence of sensitization. Current usage concentrations in commercial cosmetics range from 0.001% to 1%, levels that have been found non-toxic and non-irritating in repeated-insult patch tests.
How long does it take to see results from Oligopeptide-29?
Since the peptide relies on stimulating biological processes like Collagen synthesis, visible improvements in firmness and texture typically require 4 to 8 weeks of consistent, twice-daily application.
Can this peptide be used with Retinol?
Yes, combining peptides with retinoids is often recommended. While retinoids increase cell turnover, the peptide provides the building blocks and signaling necessary to reinforce the skin’s structural matrix.
Is Oligopeptide-29 vegan?
Most versions of this peptide used in modern cosmetics are synthetically derived in a laboratory setting and do not involve animal byproducts, making them suitable for vegan formulations.

