A gentle, non-greasy oil that hydrates and soothes skin, suitable for most skin types including sensitive and oily.
Irritation
low
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, non-greasy oil that hydrates and soothes skin, suitable for most skin types including sensitive and oily.
Irritation
low
Source
natural
Fusel oil is a fermentation byproduct used as a solvent in cosmetics, but it can be irritating and is not a common or recommended ingredient for everyday skincare.
Irritation
moderate
Source
natural
A mild, biodegradable surfactant from fermented wheat that cleanses without stripping the skin.
Irritation
low
Source
natural
A gentle, fermentation-derived ingredient that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
biotech
GABOB is a gentle amino acid derivative that may help calm skin and support the moisture barrier, but research in cosmetics is still limited.
Irritation
low
Source
natural
Gac fruit seed aril powder is a gentle antioxidant-rich ingredient that may help brighten skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
Gac seed aril oil is a lightweight, antioxidant-rich oil that may help protect skin from environmental stress while providing gentle moisture.
Irritation
low
Source
natural
A mild, sugar-derived exfoliant that smooths skin and boosts hydration with minimal irritation.
Irritation
low
Source
natural
A gentle, plant-derived humectant that helps hydrate and soothe the skin without clogging pores.
Irritation
low
Source
natural
Hair Conditioner
GALACTOARABINAN HYDROXYPROPYLTRIMONIUM CHLORIDE
A gentle, plant-based conditioning ingredient that reduces static and improves softness without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle fermented yeast extract that helps improve skin texture and hydration, popular in Korean skincare.
Irritation
low
Source
biotech
A gentle, fermented ingredient that hydrates and supports skin texture, popular in Korean skincare essences.
Irritation
low
Source
biotech
Galactose is a gentle sugar humectant that helps hydrate skin and may support a healthy skin microbiome, but research on its cosmetic benefits is still emerging.
Irritation
low
Source
natural
A gentle enzyme exfoliant that works by breaking down surface sugars, offering mild brightening without harsh scrubbing.
Irritation
low
Source
biotech
A gentle prebiotic sugar that hydrates and feeds beneficial skin bacteria without irritation.
Irritation
low
Source
semi-synthetic
A milder cousin to salicylic acid that delivers exfoliation with less sting, making it ideal for sensitive or dry skin types.
Irritation
low
Source
semi-synthetic
A gentle, hydrating exfoliant that smooths skin without the sting of stronger acids.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research on topical skincare benefits is still limited.
Irritation
low
Source
natural
Galanga Root Extract is a gentle botanical with antioxidant and soothing potential, but research in topical skincare is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich water from galangal root that may help soothe skin and protect against environmental stress.
Irritation
low
Source
natural
Galangin is a plant-based antioxidant that may help protect skin from environmental stress, but human studies are limited.
Irritation
low
Source
natural
A gentle red algae extract that may help calm irritation and provide antioxidant support, though research is still emerging.
Irritation
low
Source
natural
Galbanum gum is a natural resin with a rich history in traditional medicine, but modern skincare evidence is limited to its soothing and aromatic potential.
Irritation
low
Source
natural
Galbanum gum extract is a natural resin with mild soothing and antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
Galbanum Resin Oil adds a unique green, woody scent to products but has limited research on direct skin benefits and may cause irritation in sensitive individuals.
Irritation
moderate
Source
natural
A gentle botanical extract with antioxidant potential, though research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A gentle plant extract with antioxidant and astringent benefits, best for oily or combination skin looking for light protection.
Irritation
low
Source
natural
Gallic acid is a plant-derived antioxidant that helps protect skin from environmental damage and may support a more even skin tone, but it is less studied than more common antioxidants like vitamin C.
Irritation
low
Source
natural
Gallium maltolate is an experimental ingredient with promising antimicrobial and anti-inflammatory properties, but it is not yet widely used or proven safe in everyday skincare.
Irritation
moderate
Source
synthetic
A newer synthetic peptide that may help firm skin and soften lines, but long-term research is still limited.
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 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 firm skin and soften lines, but research is still early.
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 firm skin and soften fine lines, but research is still emerging and it works best as part of a broader anti-aging routine.
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 and soften lines, but human studies are still limited.
Irritation
low
Source
synthetic
A promising synthetic peptide that may help firm skin and soften wrinkles, but more independent human studies are needed to confirm its effects.
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
A synthetic peptide that may help improve skin firmness and reduce fine lines, with good tolerability for most skin types.
Irritation
low
Source
synthetic
A gentle antioxidant that may help even skin tone and reduce dullness without irritation.
Irritation
low
Source
natural
A gentle, fruit-derived exfoliant that helps smooth skin texture without the sting of stronger acids.
Irritation
low
Source
natural
Gamma-Decalactone is a safe, fruity fragrance ingredient used at low levels in cosmetics, but it offers no skincare benefits beyond scent.
Irritation
low
Source
synthetic
Gamma-Docosalactone is a gentle synthetic emollient that helps soften and condition skin, but research on its long-term benefits is still limited.
Irritation
low
Source
synthetic
Gamma-Heptalactone is a synthetic scent ingredient that adds a sweet, creamy note to products, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a fresh floral note but has limited published safety data beyond basic skin irritation tests.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds pleasant scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a creamy, peach-like scent to products, but offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a floral note but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Gamma-Nonalactone is a synthetic scent ingredient that adds a sweet, coconut-like aroma to products; it is generally safe at low concentrations but offers no skincare benefit.
Irritation
low
Source
synthetic
A gentle antioxidant from rice bran that helps calm skin and fight environmental damage without irritation.
Irritation
low
Source
natural
Gamma-Terpinene is a plant-derived antioxidant that can help protect skin from environmental stress, but it may cause irritation in sensitive individuals at high concentrations.
Irritation
moderate
Source
natural
A synthetic peach-scented fragrance ingredient that adds a pleasant aroma but offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Gamma-Undecenolactone is a synthetic fragrance compound that adds a pleasant scent to products but offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
Gamma-Valerolactone is a gentle, naturally derived exfoliant that may help smooth skin texture with less irritation than stronger acids.
Irritation
low
Source
natural
A gentle, antioxidant-rich mushroom extract that helps calm skin and defend against environmental stressors, but research is still emerging.
Irritation
low
Source
natural
A mushroom extract that may help calm skin and fight environmental stress, but research is still early.
Irritation
low
Source
natural
A fermented mushroom extract that may help calm skin and fight free radicals, but research is still emerging.
Irritation
low
Source
natural
A mushroom-derived antioxidant that may help calm skin and defend against environmental stress, though human studies are still limited.
Irritation
low
Source
natural
A mushroom extract with antioxidant and soothing potential, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
natural