A gentle antioxidant that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
semi-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 antioxidant that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
semi-synthetic
A synthetic derivative of hydroquinone that may lighten dark spots, but its safety and efficacy are less established than the parent compound.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a woody, amber scent but offers no skincare benefit and may cause sensitivity in some people.
Irritation
low
Source
synthetic
A gentle, biotech-derived lipid that supports skin barrier function and offers mild cleansing without stripping.
Irritation
low
Source
biotech
Acetyl Methionine is a gentle, antioxidant amino acid derivative that helps protect skin from environmental stress and supports a healthy appearance.
Irritation
low
Source
semi-synthetic
Soothing Agent
ACETYL METHYL HYDROXYPROLINATYL GLYCYRRHETINATE
A gentle, licorice-derived ingredient that helps calm redness and irritation without the strong smell or stickiness of raw licorice extract.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived compound that helps calm redness and supports the skin's natural repair process.
Irritation
low
Source
semi-synthetic
A cutting-edge synthetic peptide that may help firm skin, but research is still limited compared to more established peptides.
Irritation
low
Source
synthetic
A synthetic peptide that may soften expression lines by mimicking the action of a muscle-relaxing protein, but results are subtle and temporary.
Irritation
low
Source
synthetic
A synthetic peptide that may help soften fine lines by signaling skin to support collagen, but results are subtle and require consistent use.
Irritation
low
Source
synthetic
A synthetic peptide that mimics the action of botulinum toxin to soften expression lines, but with milder, temporary effects.
Irritation
low
Source
synthetic
A synthetic peptide that mimics the action of botulinum toxin to soften expression wrinkles, but with milder and temporary effects.
Irritation
low
Source
synthetic
A synthetic peptide that may help support skin firmness and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A synthetic peptide that may help soften the look of expression lines with consistent use, but results are subtle and not instant.
Irritation
low
Source
synthetic
A gentle amino acid derivative that helps maintain skin hydration and supports a healthy barrier, but research is still early.
Irritation
low
Source
semi-synthetic
A synthetic peptide that may help improve skin firmness and soften the look of wrinkles with low irritation risk.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen and reduce fine lines, but human studies are limited.
Irritation
low
Source
synthetic
A synthetic ceramide-like ingredient that strengthens the skin barrier and helps lock in moisture without irritation.
Irritation
low
Source
synthetic
A gentle amino acid derivative that helps maintain skin moisture and supports a smoother appearance.
Irritation
low
Source
semi-synthetic
A gentle, antioxidant-rich extract that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
semi-synthetic
A lab-made peptide inspired by carrot proteins that may help smooth wrinkles and firm skin, but human studies are limited.
Irritation
low
Source
synthetic
Anti-Wrinkle Agent
Acetyl S-FEA's Viper Pentapeptide-1 Amide
A synthetic peptide that mimics snake venom to temporarily relax expression wrinkles, offering a gentle alternative to neurotoxins like Botox.
Irritation
low
Source
synthetic
A synthetic peptide that may help soften fine lines, but research is still emerging and results vary.
Irritation
low
Source
synthetic
A synthetic peptide that may help soften fine lines and support firmer-looking skin, but more independent human studies are needed.
Irritation
low
Source
synthetic
A synthetic peptide that mimics the effects of neuromodulators to soften expression lines, but results are subtle and temporary.
Irritation
low
Source
synthetic
A lab-made peptide that may help firm skin and soften fine lines, but research is still early.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen and improve skin firmness with low irritation risk.
Irritation
low
Source
synthetic
A lab-made peptide that may help soften expression lines and improve skin firmness, but human studies are still limited.
Irritation
low
Source
synthetic
A gentle peptide that may help support skin firmness and reduce fine lines, but more human studies are needed to confirm its effects.
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
A synthetic peptide that signals skin cells to support collagen and elastin, helping improve firmness and reduce fine lines.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, with low irritation potential.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A gentle peptide that helps calm reactive skin and reduce visible redness, making it a smart choice for sensitive skin routines.
Irritation
low
Source
synthetic
A gentle peptide that may help firm skin and reduce under-eye bags, but results are subtle and require consistent use.
Irritation
low
Source
synthetic
A synthetic peptide that may help firm skin and soften fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A gentle peptide that may help reduce visible redness and sensitivity over time, but results are subtle and not instant.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A synthetic peptide that targets under-eye concerns like puffiness and dark circles by supporting collagen and circulation.
Irritation
low
Source
synthetic
A gentle synthetic peptide that may help firm skin and reduce under-eye puffiness, with limited but promising early research.
Irritation
low
Source
synthetic
A gentle peptide that targets under-eye bags and dark circles by supporting circulation and reducing fluid buildup.
Irritation
low
Source
synthetic
A lab-made peptide that encourages collagen production for firmer, smoother skin with a very low risk of irritation.
Irritation
low
Source
synthetic
A gentle synthetic emollient that helps products glide on smoothly without clogging pores.
Irritation
low
Source
synthetic
Anti-wrinkle agent
Acetyl Trifluoromethylphenyl Valylglycine
A synthetic peptide that may help soften expression lines by temporarily relaxing facial muscles, but results are subtle and not as strong as injectable treatments.
Irritation
low
Source
synthetic
A gentle, low-irritation emollient that helps products spread smoothly and keeps nail polish flexible.
Irritation
low
Source
semi-synthetic
A synthetic peptide that may help soften expression lines by temporarily relaxing facial muscles, similar to a milder, topical alternative to injectables.
Irritation
low
Source
synthetic
A synthetic peptide that may help firm skin and soften lines, but long-term human data is still limited.
Irritation
low
Source
synthetic
A gentle amino acid derivative that may help brighten skin and reduce dark spots with minimal irritation.
Irritation
low
Source
semi-synthetic
Acetyl Tyrosine is a gentle amino acid derivative that helps maintain an even skin tone and supports the skin's natural antioxidant defenses.
Irritation
low
Source
semi-synthetic
A gentle, ginger-derived antioxidant that helps defend against pollution and UV stress without the irritation of pure ginger.
Irritation
low
Source
semi-synthetic
A synthetic peptide that may help soften expression lines by temporarily relaxing facial muscles, similar to a milder version of neuropeptides.
Irritation
low
Source
synthetic
A gentle, semi-synthetic emollient and fragrance ingredient derived from amyris oil, offering a subtle woody scent with good skin tolerance.
Irritation
low
Source
semi-synthetic
A gentle, amino-acid-based ingredient that helps hydrate and plump the skin by supporting its natural moisture network.
Irritation
low
Source
semi-synthetic
Emollient
Acetylated C10-40 Hydroxyalkyl Acid Cholesterol/Lanosterol Esters
A gentle, skin-softening lipid that strengthens the skin barrier without clogging pores.
Irritation
low
Source
semi-synthetic
A modified clove extract that may offer antioxidant benefits, but its acetylation process and potential for irritation require cautious use.
Irritation
moderate
Source
semi-synthetic
A gentle, modified plant oil that helps soften skin and improve product texture, but research on its specific benefits is still limited.
Irritation
low
Source
semi-synthetic
A gentle, modified wood extract that may help protect skin from environmental stress, but research on its specific benefits is still limited.
Irritation
low
Source
semi-synthetic
A gentle, non-greasy emollient that helps soften skin and improve product feel without clogging pores.
Irritation
low
Source
semi-synthetic
A gentle synthetic emollient that softens skin and improves product feel, with a low risk of irritation or clogged pores.
Irritation
low
Source
synthetic
A gentle, semi-synthetic emollient that softens skin and helps other ingredients spread smoothly.
Irritation
low
Source
semi-synthetic