A gentle peptide alternative to retinol that may help reduce fine lines and improve skin firmness with a lower risk of irritation.
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 gentle peptide alternative to retinol that may help reduce fine lines and improve skin firmness with a lower risk of irritation.
Irritation
low
Source
synthetic
A gentler, more stable cousin of retinol that still delivers anti-aging benefits with less irritation.
Irritation
moderate
Source
semi-synthetic
A milder retinoid that aims to smooth wrinkles and even skin tone with less redness or peeling than standard retinol.
Irritation
low
Source
semi-synthetic
A milder vitamin A derivative that may support smoother, younger-looking skin with less irritation than traditional retinol.
Irritation
low
Source
semi-synthetic
A newer, potentially gentler retinoid that aims to deliver anti-aging benefits with less irritation than traditional retinol.
Irritation
low
Source
semi-synthetic
A gentle vitamin A derivative that supports skin texture and firmness over time, ideal for retinol beginners or sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, beginner-friendly vitamin A option paired with a plant peptide for added skin support, but less potent than pure retinol.
Irritation
low
Source
semi-synthetic
A milder retinoid that can improve skin texture and reduce fine lines with less irritation than retinol, making it a good option for sensitive skin.
Irritation
low
Source
semi-synthetic
A newer retinoid that aims to deliver retinoic acid benefits with less irritation, but long-term data is still limited.
Irritation
moderate
Source
semi-synthetic
A milder, less irritating retinoid option that may suit sensitive skin, but with less research backing than retinol.
Irritation
low
Source
semi-synthetic
A milder, less irritating form of retinol that converts to retinoic acid in the skin, making it a good option for retinol beginners or sensitive skin.
Irritation
low
Source
semi-synthetic
Retinyl Tallate is a milder retinoid that offers anti-aging benefits with less irritation, making it a good choice for sensitive skin.
Irritation
low
Source
semi-synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.
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 synthetic peptide that may help reduce the look of fine lines and improve skin firmness, but results vary and more human studies are needed.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and firm skin, but more human studies are needed to confirm its effects.
Irritation
low
Source
synthetic
A lab-made peptide that may help reduce fine lines and improve skin firmness, but human studies are limited.
Irritation
low
Source
synthetic
A promising biotech peptide that may help firm skin over time, but human research is still limited.
Irritation
low
Source
biotech
A lab-made peptide that may help support collagen and smooth fine lines, but research is still early.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and firmness, but human research is still limited.
Irritation
low
Source
synthetic
RH-Polypeptide-60 is a lab-made peptide that may help firm skin and soften fine lines, but research is still early and results vary.
Irritation
low
Source
biotech
A lab-made peptide that may help support collagen and firm skin, but research is still early and results vary.
Irritation
low
Source
synthetic
RH-Polypeptide-62 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften fine lines, but human research is still limited.
Irritation
low
Source
biotech
A lab-made peptide that may help firm skin and soften wrinkles, but more human studies are needed to confirm its effects.
Irritation
low
Source
synthetic
RH-Polypeptide-65 is a synthetic peptide that may help support collagen production and improve skin firmness, but research is still emerging.
Irritation
low
Source
biotech
A lab-made peptide that may help firm skin and soften wrinkles, but human research is still limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften wrinkles, but human studies are still limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften lines, but human studies are still limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin by encouraging collagen, but research is still limited compared to well-studied peptides.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften lines, but research is still early and results vary.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and firm skin, but human research is still limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and firmness, but human research is still limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften wrinkles, but human studies are limited.
Irritation
low
Source
synthetic
RH-Polypeptide-88 is a lab-made peptide that may help firm skin and soften lines, but research is still limited compared to more established peptides.
Irritation
low
Source
synthetic
RH-Polypeptide-96 is a lab-made peptide that may help support collagen and improve skin firmness, but human research is still limited.
Irritation
low
Source
synthetic
A gentle, bioengineered peptide that may support collagen and firmness, but research is still early.
Irritation
low
Source
biotech
A gentle peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness over time.
Irritation
low
Source
semi-synthetic
A gentle peptide that may help firm skin and soften lines, with low irritation risk.
Irritation
low
Source
semi-synthetic
A marine-inspired peptide that may help firm skin and reduce fine lines, but research is still early.
Irritation
low
Source
synthetic
A novel peptide that may help support skin firmness, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
biotech
A gentle peptide duo that signals skin to repair and rebuild, making it a solid choice for anti-aging routines without irritation.
Irritation
low
Source
synthetic
A gentle, well-studied peptide duo that signals skin to repair and firm up, but results are gradual and not instant.
Irritation
low
Source
synthetic
A synthetic peptide that may help smooth fine lines and improve skin firmness with a low risk of irritation.
Irritation
low
Source
synthetic
SH-Decapeptide-9 is a lab-made peptide that may help smooth fine lines and improve skin firmness, but research is still emerging.
Irritation
low
Source
synthetic
SH-Heptapeptide-18 is a lab-made peptide that may help support skin firmness and reduce the appearance of fine lines, but research is still limited.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce the look of fine lines and support firmer skin, with low irritation potential.
Irritation
low
Source
synthetic
A synthetic peptide that mimics the action of botulinum toxin to soften expression lines, but with milder and temporary effects.
Irritation
low
Source
synthetic
A synthetic peptide that temporarily relaxes facial muscles to soften expression lines, offering a non-invasive alternative to injectables.
Irritation
low
Source
synthetic
A synthetic peptide that may help soften expression lines by temporarily relaxing facial muscles, but research is still emerging.
Irritation
low
Source
synthetic
SH-Oligopeptide-10 is a synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging and results vary.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen and improve skin firmness, but research is still emerging.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and reduce fine lines by encouraging collagen production, though human studies are limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften lines, but human studies are limited.
Irritation
low
Source
synthetic
SH-Oligopeptide-15 is a synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
SH-Oligopeptide-16 is a lab-made peptide that may help firm skin and soften fine lines, with low irritation risk.
Irritation
low
Source
synthetic
A synthetic peptide that mimics the action of botulinum toxin to soften expression lines, but with milder and temporary effects.
Irritation
low
Source
synthetic
A synthetic peptide that may help support skin firmness and reduce fine lines, but more independent research is needed to confirm its effectiveness.
Irritation
low
Source
synthetic
SH-Oligopeptide-4 is a synthetic peptide that may help support collagen production and improve skin firmness, but more human studies are needed to confirm its efficacy.
Irritation
low
Source
synthetic