A synthetic peptide that may help smooth fine lines and improve skin firmness, but more independent research is needed.
Irritation
low
Source
synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A synthetic peptide that may help smooth fine lines and improve skin firmness, but more independent research is needed.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but more human studies are needed to confirm its effectiveness.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines by supporting collagen-related signaling, but research is still emerging.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and smooth fine lines, but individual results vary and more research is needed.
Irritation
low
Source
synthetic
A synthetic peptide that may help firm skin and soften wrinkles, but research is still emerging compared to more established peptides.
Irritation
low
Source
synthetic
A lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.
Irritation
low
Source
synthetic
A gentle, antioxidant-rich ingredient that helps firm and protect skin, with good compatibility for most skin types.
Irritation
low
Source
semi-synthetic
A gentle, peptide-like ingredient that helps calm skin and reduce the look of redness without irritation.
Irritation
low
Source
semi-synthetic
A well-studied peptide that helps reduce fine lines and improve skin firmness by boosting collagen production.
Irritation
low
Source
synthetic
A well-studied peptide that can help reduce fine lines and improve skin firmness with consistent use.
Irritation
low
Source
synthetic
A well-studied peptide that may help reduce fine lines and support firmer-looking skin with consistent use.
Irritation
low
Source
synthetic
A gentle conditioning ingredient that helps detangle hair and reduce flyaways without heavy buildup.
Irritation
low
Source
synthetic
A gentle, antioxidant-rich ingredient that may help firm skin and reduce fine lines, but human studies are limited.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic ingredient that combines the soothing power of tormentil root with enhanced skin compatibility.
Irritation
low
Source
semi-synthetic
Palmitoyl Proline is a synthetic peptide that may help support collagen production and improve skin firmness, but more human studies are needed to confirm its standalone effects.
Irritation
low
Source
synthetic
A gentle, plant-based peptide that may help support skin firmness and reduce the look of fine lines.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic antioxidant that may help calm skin and fight free radicals, but research is still early.
Irritation
low
Source
semi-synthetic
Skin conditioning agent
Palmitoyl Serine/Silk Amino Acids Methyl Esters
A gentle conditioning ingredient that may help support skin barrier function and improve texture, but research is limited compared to more established peptides.
Irritation
low
Source
semi-synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but results are gradual and vary by person.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but more independent research is needed.
Irritation
low
Source
synthetic
Skin conditioning agent
Palmitoyl SH-Polypeptide-109 Cholesterol
A synthetic peptide-cholesterol hybrid that may help improve skin firmness and hydration, but research is still emerging.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften fine lines, but more independent human studies are needed.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce the appearance of fine lines and improve skin firmness, but results are gradual and vary by person.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but results vary and more human studies are needed.
Irritation
low
Source
synthetic
A synthetic peptide that signals skin to produce more collagen, helping soften fine lines over time with minimal irritation.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen and improve skin firmness, but more human studies are needed.
Irritation
low
Source
synthetic
A gentle, silk-derived conditioning agent that helps smooth hair and soften skin without heavy buildup.
Irritation
low
Source
semi-synthetic
A lab-made peptide that mimics snail proteins to help skin look firmer and smoother, but it's not a proven alternative to retinol or collagen injections.
Irritation
low
Source
synthetic
A gentle peptide that may help soften fine lines by encouraging collagen production, but results are subtle and take time.
Irritation
low
Source
synthetic
A gentle synthetic peptide that may help soften fine lines by signaling skin to produce more collagen, but results are subtle and require consistent use.
Irritation
low
Source
synthetic
A gentle peptide that may help improve skin firmness and soften fine lines with consistent use.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but more independent human studies are needed.
Irritation
low
Source
synthetic
A well-studied peptide that helps calm skin and support collagen production, making it a gentle anti-aging workhorse.
Irritation
low
Source
synthetic
A well-studied peptide that helps reduce fine lines by encouraging collagen production, but results are gradual and not dramatic.
Irritation
low
Source
synthetic
A well-studied peptide that helps reduce fine lines and support skin firmness with minimal irritation.
Irritation
low
Source
synthetic
A signaling peptide that encourages your skin to act younger by boosting collagen, but results are gradual and subtle.
Irritation
low
Source
synthetic
A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with consistent use.
Irritation
low
Source
synthetic
A gentle peptide that may help improve skin firmness and reduce fine lines with consistent use.
Irritation
low
Source
synthetic
A synthetic peptide that encourages collagen production, helping reduce fine lines and improve skin firmness with minimal irritation.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but results are gradual and vary by person.
Irritation
low
Source
synthetic
A well-studied peptide that helps reduce fine lines and improve skin firmness with minimal irritation risk.
Irritation
low
Source
synthetic
Palmitoyl Tripeptide-4 is a well-studied peptide that helps reduce fine lines and improve skin firmness by encouraging collagen production.
Irritation
low
Source
synthetic
A synthetic peptide that encourages firmer, smoother skin by supporting collagen-building signals.
Irritation
low
Source
synthetic
A synthetic peptide that mimics natural signals to help skin look firmer and smoother over time.
Irritation
low
Source
synthetic
A well-tolerated peptide that may help reduce fine lines and improve skin firmness by encouraging collagen production.
Irritation
low
Source
synthetic
Anti-aging agent
Palmitoyl SH-Tripeptide-5 Norisoleucyl SH-Nonapeptide-1
A synthetic peptide blend that may help soften fine lines and improve skin firmness with regular use, though results are gradual and not dramatic.
Irritation
low
Source
synthetic
Anti-aging
Palmitoyl Tripeptide-5 Amidopropyl Ascorbyl Phosphate HCl
A clever combo ingredient that pairs a collagen-boosting peptide with a stable form of vitamin C for dual anti-aging and antioxidant benefits.
Irritation
low
Source
semi-synthetic
A synthetic peptide that signals skin to produce more collagen, helping to smooth wrinkles and improve firmness with consistent use.
Irritation
low
Source
synthetic
A synthetic peptide that signals skin to produce more collagen, helping to smooth wrinkles and improve firmness with low irritation risk.
Irritation
low
Source
synthetic
A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with low irritation risk.
Irritation
low
Source
synthetic
A promising synthetic peptide that may help firm skin and soften lines, though research is still emerging.
Irritation
low
Source
synthetic
A well-tolerated peptide that helps reduce fine lines and support skin firmness by encouraging collagen production.
Irritation
low
Source
synthetic
A synthetic peptide that helps calm visible skin reactivity and supports a more resilient-looking complexion over time.
Irritation
low
Source
synthetic
Palmitoyl Tryptamine is a synthetic peptide-like compound that may help support skin firmness and reduce fine lines, but research is still emerging and it is less common than more established peptides.
Irritation
low
Source
synthetic
Hair Conditioning Agent
PALMITOYLOXYCAPROYL PALMITOYLOXYCAPRAMIDE MEA
A synthetic conditioning agent that helps hair and skin feel smoother and more manageable, but it's not a star ingredient on its own.
Irritation
low
Source
synthetic
A fragrant botanical extract with antioxidant potential, but limited research on its specific cosmetic benefits.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract that may help calm skin and fight environmental stress, though research is still emerging.
Irritation
low
Source
natural
A gentle botanical powder that may help calm redness and defend against environmental stress, but its benefits are not as well-studied as some other plant extracts.
Irritation
low
Source
natural
Pancreatin is a gentle enzyme exfoliant that helps soften and smooth skin by breaking down dead skin cells, but it's less common and less studied than other exfoliating enzymes.
Irritation
low
Source
natural
Pandan bract extract is a gentle, fragrant botanical with antioxidant potential, but research on its skincare benefits is still limited.
Irritation
low
Source
natural