Oleth-8 helps mix water and oil in products, but it may be mildly irritating or pore-clogging for some skin types.
Irritation
moderate
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
Oleth-8 helps mix water and oil in products, but it may be mildly irritating or pore-clogging for some skin types.
Irritation
moderate
Source
synthetic
Oleth-82 is a synthetic emulsifier that helps mix oil and water in cleansers, but it may be slightly drying or irritating for very sensitive skin.
Irritation
moderate
Source
synthetic
Oleth-9 is a reliable emulsifier that helps create stable, creamy textures, but it may not suit those with very sensitive skin.
Irritation
low
Source
synthetic
A powerful olive-derived antioxidant that helps protect skin from environmental damage and supports a more even, youthful complexion.
Irritation
low
Source
natural
A gentle antioxidant from olive leaves that helps protect skin from environmental stress and may calm irritation.
Irritation
low
Source
natural
Oleyl Acetate is a lightweight emollient that softens skin but may clog pores for acne-prone individuals.
Irritation
low
Source
synthetic
A mild, amino-acid-derived ingredient that conditions skin without irritation, making it a good choice for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle fatty alcohol that softens skin and thickens formulas, but may clog pores for some.
Irritation
low
Source
natural
A gentle wax ester that softens skin and improves product feel without common irritation.
Irritation
low
Source
semi-synthetic
A gentle, low-irritation surfactant that cleans without stripping the skin or hair.
Irritation
low
Source
semi-synthetic
A synthetic conditioning ingredient that helps reduce static and soften hair, but is not a primary moisturizer for skin.
Irritation
low
Source
synthetic
Oleyl Erucate is a gentle emollient that helps soften and smooth skin, but it's not a standout active ingredient.
Irritation
low
Source
synthetic
A gentle, phosphate-based surfactant that cleanses effectively while being kind to sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle emollient that helps soften skin and stabilize formulas without clogging pores or causing irritation.
Irritation
low
Source
semi-synthetic
A synthetic antistatic agent that helps soften hair and reduce flyaways, but may be irritating for sensitive scalps or acne-prone skin.
Irritation
moderate
Source
synthetic
Oleyl lactate is a gentle, non-greasy emollient that helps soften skin and improve texture without clogging pores.
Irritation
low
Source
semi-synthetic
Oleyl Lanolate is a gentle emollient that helps soften skin, but may clog pores in acne-prone individuals.
Irritation
low
Source
semi-synthetic
A gentle emollient that helps soften skin and support barrier function, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
Oleyl Myristate is a reliable emollient that softens skin and improves product feel, but it may clog pores for acne-prone individuals.
Irritation
low
Source
semi-synthetic
Oleyl Oleate is a lightweight emollient that softens skin and helps other ingredients absorb, but it may clog pores for acne-prone individuals.
Irritation
low
Source
semi-synthetic
Oleyl Palmitamide is a gentle emollient that helps soften and condition the skin, but research on its specific benefits is still limited.
Irritation
low
Source
synthetic
Oleyl Stearate is a gentle emollient that helps soften skin and improve product texture, with a low risk of irritation or clogged pores.
Irritation
low
Source
semi-synthetic
A synthetic peptide amide 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 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 signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but more human studies are needed to confirm its effectiveness.
Irritation
low
Source
synthetic
Oligopeptide-105 is a lab-made peptide that may help firm skin and soften wrinkles, but research is still early.
Irritation
low
Source
synthetic
Oligopeptide-106 is a synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation risk.
Irritation
low
Source
synthetic
A synthetic peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation risk.
Irritation
low
Source
synthetic
A lab-made peptide duo that may help reduce fine lines and improve skin firmness, but results vary and it works best in a consistent routine.
Irritation
low
Source
biotech
A lab-made peptide duo that may help smooth wrinkles and improve skin firmness, though human studies are limited.
Irritation
low
Source
synthetic
A lab-made peptide that may help signal skin to produce more collagen, but research is still early and results vary.
Irritation
low
Source
synthetic
Oligopeptide-111 is a lab-made peptide that may help skin look firmer and more youthful by encouraging collagen-related activity, but human studies are limited.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness by signaling collagen production, but research is still emerging.
Irritation
low
Source
synthetic
A synthetic peptide that may help improve skin firmness and reduce fine lines, but human research is still limited.
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 synthetic peptide that signals skin cells to produce more collagen, helping reduce fine lines and improve firmness with consistent use.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and improve skin firmness, but research is still early and results vary.
Irritation
low
Source
synthetic
Oligopeptide-121 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.
Irritation
low
Source
synthetic
A synthetic peptide that may help support collagen production and improve skin firmness, but research is still emerging.
Irritation
low
Source
synthetic
A lab-made peptide that may help support collagen and firmness, but specific research on this exact peptide is limited.
Irritation
low
Source
synthetic
A lab-made peptide duo that may help firm skin and soften lines, but research is still early.
Irritation
low
Source
synthetic
A peptide duo that may help smooth fine lines and support collagen, but results vary and more human studies are needed.
Irritation
low
Source
synthetic
A lab-made peptide amide that may help firm skin and reduce fine lines, but human research is still limited.
Irritation
low
Source
synthetic
A synthetic peptide amide that may help support collagen and improve skin firmness, but long-term human data is still limited.
Irritation
low
Source
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 may help firm skin and soften wrinkles, but human studies are limited.
Irritation
low
Source
synthetic
A promising peptide duo that may help firm skin and soften lines, but long-term human data is still limited.
Irritation
low
Source
biotech
Oligopeptide-128 is a lab-made peptide that may help support collagen production and improve skin firmness, but research is still early.
Irritation
low
Source
synthetic
Oligopeptide-130 is a lab-made peptide that may help support collagen and improve skin firmness, but research is still early.
Irritation
low
Source
synthetic
Oligopeptide-131 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 reduce fine lines by signaling skin to produce more collagen, but research is still developing.
Irritation
low
Source
synthetic
Oligopeptide-133 is a lab-made peptide that signals skin to produce more collagen, helping reduce fine lines and improve firmness with minimal irritation.
Irritation
low
Source
synthetic
Oligopeptide-134 is a lab-made peptide that may help improve skin firmness and reduce fine lines, but research is still emerging.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.
Irritation
low
Source
synthetic
Oligopeptide-136 is a lab-made peptide that may help reduce fine lines and improve skin firmness, but research is still emerging.
Irritation
low
Source
synthetic
Oligopeptide-137 is a lab-made peptide that may help support collagen and firm skin, but human research is still limited.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but human research is still limited.
Irritation
low
Source
synthetic
Oligopeptide-140 is a lab-made peptide that may help support collagen production and improve skin firmness, but human research is still limited.
Irritation
low
Source
synthetic
A synthetic peptide that may help reduce fine lines and improve skin firmness, but more human studies are needed to confirm its effects.
Irritation
low
Source
synthetic