A gentle botanical oil with antioxidant potential, but research is limited and it may cause irritation in sensitive skin.
Irritation
moderate
Source
natural
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 botanical oil with antioxidant potential, but research is limited and it may cause irritation in sensitive skin.
Irritation
moderate
Source
natural
Mesua Ferrea Oil is a natural essential oil with antioxidant and soothing potential, but its strong aroma and limited research mean it's best used in low concentrations and patch-tested first.
Irritation
moderate
Source
natural
Soothing Agent
METHYL ACETYLGLYCYRRHETINOYL HYDROXYPROLINATE
A gentle, multi-tasking ingredient that combines soothing properties from licorice root with collagen-supporting amino acids, ideal for sensitive or aging skin.
Irritation
low
Source
semi-synthetic
A gentle, effective anti-inflammatory derived from licorice root that helps calm redness and irritation without harsh side effects.
Irritation
low
Source
semi-synthetic
Methyl salicylate can soothe minor muscle aches and provide a cooling-warming sensation, but it may irritate sensitive skin and should be used cautiously around the face.
Irritation
moderate
Source
natural
A gentle, dual-action ingredient that combines cooling and soothing benefits, best for calming irritated or sensitive skin.
Irritation
low
Source
semi-synthetic
A gentle, hybrid ingredient that combines the soothing power of licorice root with the skin-conditioning benefits of silicon, ideal for sensitive or redness-prone skin.
Irritation
low
Source
semi-synthetic
A gentle, synthetic peptide that helps calm redness and irritation, making it a good choice for sensitive or reactive skin.
Irritation
low
Source
synthetic
A gentle, plant-based extract that may help calm skin and fight free radicals, but human research is still limited.
Irritation
low
Source
natural
A gentle, plant-based extract that may help calm irritated skin and provide antioxidant support, though human studies are limited.
Irritation
low
Source
natural
Soothing Agent
KLUYVEROMYCES/LACTOBACILLUS/LACTOCOCCUS/LEUCONOSTOC/SACCHAROMYCES/HYDROLYZED HIBISCUS ESCULENTUS SEED EXTRACT FERMENT FILTRATE
A gentle, fermented botanical extract that may help soothe and hydrate skin, though research is still emerging.
Irritation
low
Source
biotech
A gentle plant extract with potential soothing and antioxidant benefits, but research is limited and it's not a standout ingredient.
Irritation
low
Source
natural
A gentle, plant-based extract that may help calm skin and fight free radicals, but research is limited compared to more studied ingredients.
Irritation
low
Source
natural
A gentle, water-based myrrh extract that may help calm skin and provide antioxidant protection, but more research is needed to confirm its benefits.
Irritation
low
Source
natural
A novel soothing ingredient that may help calm reactive skin by interacting with skin's own dopamine receptors, but research is still early.
Irritation
low
Source
synthetic
A synthetic compound that may help reduce skin sensitivity by calming nerve signals, but research is still early.
Irritation
low
Source
synthetic
Naftalan Oil Extract is a traditional soothing oil with anti-inflammatory potential, but it is a crude oil derivative with limited modern safety data and a strong odor.
Irritation
moderate
Source
natural
Natane Yu is a gentle, plant-derived ingredient that may help calm and hydrate the skin, but scientific evidence is still limited.
Irritation
low
Source
natural
A fermented neem ingredient that may help calm and purify skin, but research on this specific form is still emerging.
Irritation
low
Source
biotech
Neem leaf oil is a traditional botanical oil that may help calm irritated skin and support a clearer complexion, but its strong scent and potential for irritation mean it's best used in low concentrations.
Irritation
moderate
Source
natural
Neomenthol provides a cooling sensation and mild soothing effect, but can irritate sensitive skin at higher concentrations.
Irritation
moderate
Source
natural
A gentle marine extract with antioxidant potential, but research is still early and sustainability is a concern.
Irritation
low
Source
natural
A synthetic ingredient that aims to soothe skin by mimicking natural calming signals, but research is still early.
Irritation
low
Source
synthetic
A gentle, plant-based powder that may help calm irritation and provide antioxidant protection, but more human studies are needed.
Irritation
low
Source
natural
Oat bran is a gentle, natural ingredient that soothes and moisturizes the skin, making it ideal for sensitive or irritated skin types.
Irritation
low
Source
natural
Oat bran extract is a gentle, natural ingredient that helps calm irritation and support the skin barrier, making it ideal for sensitive or reactive skin.
Irritation
low
Source
natural
A gentle, probiotic-based ingredient that helps calm irritation and strengthen the skin barrier, ideal for sensitive or reactive skin.
Irritation
low
Source
biotech
A gentle, plant-based juice that helps calm irritation and hydrate the skin, ideal for sensitive or reactive skin types.
Irritation
low
Source
natural
Oat kernel flour is a gentle, soothing ingredient ideal for sensitive or irritated skin, offering mild exfoliation and moisture retention.
Irritation
low
Source
natural
A gentle, plant-based extract that helps calm irritated skin and provides antioxidant protection without clogging pores.
Irritation
low
Source
natural
Oat meal extract is a gentle, natural ingredient that calms irritation and supports the skin barrier, making it ideal for sensitive or reactive skin.
Irritation
low
Source
natural
Oat straw extract is a gentle, antioxidant-rich ingredient that helps calm irritated skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle marine extract that helps calm and hydrate the skin, with early research suggesting anti-inflammatory benefits.
Irritation
low
Source
natural
A gentle, fermented ingredient that may help calm irritation and support the skin barrier, though research is still emerging.
Irritation
low
Source
biotech
A gentle, antioxidant-rich root extract that helps calm irritation and support skin hydration, ideal for sensitive or stressed skin.
Irritation
low
Source
natural
Ormenis Oil is a gentle, chamomile-like oil that helps calm redness and irritation, making it a good choice for sensitive skin types.
Irritation
low
Source
natural
A gentle, plant-based powder that may help calm irritated skin and provide antioxidant protection, though research is still emerging.
Irritation
low
Source
natural
A gentle, plant-derived water that may offer mild soothing and antioxidant benefits, but lacks strong clinical evidence.
Irritation
low
Source
natural
A gentle, synthetic peptide-like ingredient that helps calm skin reactivity and support a more even-looking complexion.
Irritation
low
Source
synthetic
A gentle, peptide-like ingredient that helps calm skin and reduce the look of redness without irritation.
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
A gentle, vitamin B5-derived ingredient that helps calm irritation and support the skin barrier — a good option for sensitive or reactive skin.
Irritation
low
Source
semi-synthetic
A gentle, probiotic-based ingredient that may help calm skin and support a balanced microbiome, though research is still early.
Irritation
low
Source
biotech
A gentle, antioxidant-rich botanical extract that helps calm irritated skin and protect against environmental stress.
Irritation
low
Source
natural
A mild, water-based botanical that helps calm and hydrate the skin, ideal for sensitive or irritated complexions.
Irritation
low
Source
natural
A gentle seaweed extract that helps calm irritation and support skin hydration, ideal for sensitive skin.
Irritation
low
Source
natural
Peat extract is a natural, mineral-rich ingredient with limited research, but early studies suggest it may help soothe and condition the skin.
Irritation
low
Source
natural
A gentle, aromatic water that can refresh and temporarily soothe skin, but its benefits are mostly sensory and mild.
Irritation
low
Source
natural
Soothing agent
LACTOBACILLUS/PERILLA FRUTESCENS LEAF FERMENT EXTRACT FILTRATE
A gentle fermented ingredient that may calm irritation and provide antioxidant benefits, though human studies are limited.
Irritation
low
Source
biotech
Perilla leaf water is a gentle, antioxidant-rich hydrosol that can help soothe and protect the skin, though research on its topical benefits is still emerging.
Irritation
low
Source
natural
A gentle, synthetic molecule designed to reduce visible skin reactivity and support a calmer complexion.
Irritation
low
Source
synthetic
A gentle, plant-based extract that may help calm skin and fight environmental stress, though research is still early.
Irritation
low
Source
natural
A gentle, biotech-derived microalgae ferment that may help calm skin and fight oxidative stress, though research is still emerging.
Irritation
low
Source
biotech
A gentle, plant-based extract that may help calm irritation and provide antioxidant protection, though human studies are limited.
Irritation
low
Source
natural
A gentle, plant-based extract that may help calm skin and fight free radicals, though research is still early.
Irritation
low
Source
natural
A gentle marine extract that may help calm irritated skin and provide antioxidant support, though research is still emerging.
Irritation
low
Source
natural
A gentle, plant-based extract from moss that may help calm skin and provide antioxidant protection, but research is still early.
Irritation
low
Source
natural
A gentle yeast extract that may help calm irritation and support a balanced skin microbiome, though research is still emerging.
Irritation
low
Source
biotech
A gentle, biotech-derived yeast extract that may help calm skin and support a healthy barrier, though research is still emerging.
Irritation
low
Source
biotech
A gentle, biotech-derived yeast extract that may help calm irritated skin and support a healthy skin barrier.
Irritation
low
Source
biotech