A gentle, plant-derived wax that adds a smooth, velvety feel to balms and sticks without heavy greasiness.
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, plant-derived wax that adds a smooth, velvety feel to balms and sticks without heavy greasiness.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific skin benefits is still limited.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research on its specific skincare benefits is still limited.
Irritation
low
Source
natural
A gentle, plant-derived gum that helps smooth and soothe skin while creating a light, non-sticky protective film.
Irritation
low
Source
natural
A gentle, plant-based gum that helps form a light, soothing film on skin, but its benefits are mostly texture-related rather than deeply active.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical extract from an Australian native plant, best for soothing and protecting normal to dry skin.
Irritation
low
Source
natural
A gentle, antioxidant-rich plant extract that may help protect skin from environmental stress, but research is still early.
Irritation
low
Source
natural
A gentle, plant-based oil that hydrates and softens skin with a light feel, though research on its benefits is still emerging.
Irritation
low
Source
natural
Açaí berry extract is a gentle antioxidant-rich ingredient that helps protect skin from environmental stress and may calm minor irritation.
Irritation
low
Source
natural
Açaí fruit extract is a gentle, antioxidant-rich ingredient that helps defend the skin against free radicals and environmental damage, but its benefits are best supported by general antioxidant research rather than specific skin studies.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from açaí palm hearts that may help calm and protect skin, though research is still limited.
Irritation
low
Source
natural
Açaí Pulp Powder is a gentle, antioxidant-packed ingredient that helps protect skin from environmental stress and supports a healthy-looking complexion.
Irritation
low
Source
natural
A natural, gentle physical exfoliant from açaí seeds, suitable for most skin types but with limited research on its specific benefits.
Irritation
low
Source
natural
A gentle, plant-derived antioxidant that may help calm skin and fight free radicals, though research is still early.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but human skin research is still limited.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant potential, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
natural
A lightweight, non-greasy oil that hydrates and soothes without clogging pores, ideal for dry or sensitive skin.
Irritation
low
Source
natural
A gentle botanical extract with soothing and antioxidant potential, but research on its cosmetic benefits is still limited.
Irritation
low
Source
natural
A science-backed firming ingredient that combines caffeine-like action with silicone and seaweed-derived acid to help tighten and smooth skin.
Irritation
low
Source
semi-synthetic
A gentle plant extract with antioxidant potential, but research on its specific skin benefits is still limited.
Irritation
low
Source
natural
Acerola fruit extract is a gentle, vitamin-C-rich antioxidant that can help brighten skin and defend against environmental stress, though its vitamin C content may degrade quickly in formulas.
Irritation
low
Source
natural
Acerola fruit juice is a gentle, natural source of vitamin C that can help brighten skin and fight free radical damage without the irritation of pure ascorbic acid.
Irritation
low
Source
natural
Acerola fruit powder is a gentle, natural source of vitamin C that can help brighten skin and fight free radicals, but its effectiveness depends on formulation and stability.
Irritation
low
Source
natural
Acerola fruit water is a gentle, antioxidant-rich hydrator that can help brighten and protect skin from environmental stress.
Irritation
low
Source
natural
Acerola seed extract is a gentle, antioxidant-rich ingredient that helps protect skin from environmental stress, though research on its topical benefits is still emerging.
Irritation
low
Source
natural
A synthetic fragrance ingredient that adds a fruity scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefit; safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a fresh, green scent but offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a fresh scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a fresh scent but may cause irritation for sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic fragrance compound that adds a warm, spicy note but may cause skin sensitivity in some individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant floral-fruity scent but offers no skincare benefits.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant floral note but offers no skincare benefit and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
Acetamide MEA is a synthetic humectant that helps hydrate skin and hair, but it is less common than alternatives like glycerin and may not suit those avoiding synthetic ingredients.
Irritation
low
Source
synthetic
A gentle silicone that improves hair feel and manageability with minimal risk of buildup.
Irritation
low
Source
synthetic
Hair Conditioning Agent
Acetamidoethoxybutyl Trimonium Chloride
A gentle conditioning ingredient that helps reduce static and improve hair manageability without heavy buildup.
Irritation
low
Source
synthetic
A gentle, synthetic humectant that helps hydrate the skin without common irritation or clogging.
Irritation
low
Source
synthetic
A gentle synthetic conditioning ingredient that reduces frizz and static while improving the feel of hair and skin without heavy buildup.
Irritation
low
Source
synthetic
A gentle, synthetic ingredient that helps calm redness and sensitivity while supporting a more even skin tone.
Irritation
low
Source
synthetic
A gentle antistatic ingredient that smooths hair without heavy buildup, making it a good choice for fine or easily weighed-down hair.
Irritation
low
Source
synthetic
Acetaminosalol is a synthetic UV filter that helps protect skin from sun damage, but it may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
Acetic acid is a gentle exfoliant and pH adjuster, but can be irritating at high concentrations.
Irritation
moderate
Source
natural
A lightweight, non-greasy emollient that softens skin and improves product texture without clogging pores.
Irritation
low
Source
semi-synthetic
Film Former
TRIS(ACETIMINOACETOXYETHOXY METHACRYLATE) PPG-6 TRIMETHYLOLPROPANE
A synthetic film former that helps products stay put, but it's mostly used in specialty items like nail polish rather than everyday skincare.
Irritation
low
Source
synthetic
A synthetic ingredient used in nail products to help coatings stick and last longer, but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
Acetoin is a gentle, natural humectant that helps hydrate skin and improve product texture without irritation.
Irritation
low
Source
natural
A synthetic fragrance ingredient with limited safety data; best for those who tolerate added scents.
Irritation
moderate
Source
synthetic
Acetone is a powerful but harsh solvent best reserved for quick, targeted removal of nail polish or stubborn adhesives, not for daily facial skincare.
Irritation
high
Source
synthetic
Acetophenone is a synthetic fragrance ingredient that adds a sweet, almond-like scent; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
Fragrance Ingredient
ACETOPHENONE ETHYLENEGLYCOL CYCLIC ACETAL
A synthetic fragrance compound that adds a pleasant scent but offers no skincare benefits; safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic film-former that helps products stay put and resist water, but offers no active skincare benefit.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient with limited safety data; best for those who tolerate synthetic scents well.
Irritation
moderate
Source
synthetic
UV Filter
ACETOXYTETRAMETHYLBUTYLPHENYL TETRAMETHYLBUTYLBENZOFURANONE
A synthetic UV filter that helps protect skin from sun damage, but its long-term safety data is still emerging.
Irritation
low
Source
synthetic
A gentle, water-loving amino acid derivative that helps plump skin and support its natural moisture barrier without irritation.
Irritation
low
Source
semi-synthetic
Acetyl Aspartic Acid is a gentle, water-soluble amino acid derivative that helps maintain skin hydration and supports a healthy skin barrier.
Irritation
low
Source
semi-synthetic
A synthetic hormone derivative that may help support skin firmness, but research is limited and it may not suit sensitive skin.
Irritation
moderate
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 mild, coconut-derived cleansing agent that effectively removes dirt and oil without stripping the skin’s natural moisture barrier.
Irritation
low
Source
semi-synthetic
Acetyl Carnitine is a gentle antioxidant that may help protect skin from environmental stress and support collagen health, but research is still emerging.
Irritation
low
Source
semi-synthetic