Beauty ingredients explained in plain English

Melatonin is a potent antioxidant that may help protect skin from environmental damage and support overnight repair, but more human studies are needed.

Melibiose is a gentle sugar humectant that helps hydrate the skin and may support a healthy skin microbiome, making it a promising alternative to traditional humectants.

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human studies.

A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human skin.

Melilot Oil offers gentle soothing benefits and a pleasant herbal scent, but research on its cosmetic efficacy is still emerging.

Melissa Leaf Oil offers a calming, herbal scent and antioxidant benefits, but its potency means it can be irritating for sensitive skin.

A mild, aromatic botanical water that can soothe the skin and provide antioxidant benefits, but its effects are gentle and not a substitute for targeted treatments.

Melissa oil offers a pleasant lemony scent and potential soothing benefits, but its high concentration of volatile compounds can be irritating for sensitive skin.

A gentle, plant-based oil that softens skin and may offer mild antioxidant benefits, though research is still limited compared to more common seed oils.

Melittin is a bee venom peptide with promising lab research, but it's a strong irritant and not well-studied in cosmetic use—caution is advised.

Mellisic acid is a gentle wax-derived fatty acid that helps smooth and condition skin, but it's rarely used as a standalone active.

A gentle, fermented melon extract that provides antioxidant benefits and supports skin hydration without irritation.

A gentle, plant-based antioxidant extract with limited but promising research; best as a supporting ingredient in antioxidant-rich formulas.

A gentle, plant-based extract with antioxidant potential, but research on its specific skin benefits is still limited.

A gentle plant-root extract with potential soothing and antioxidant benefits, but research is still early.

Melozol Acetate is a synthetic emollient that helps soften and smooth skin with a low risk of irritation or clogged pores, though research on its long-term effects is limited.

Melozol Formate is a gentle synthetic emollient that helps products feel silky and spread easily, but research on its long-term effects is still limited.

Melozone is a gentle peptide-based brightener that may help fade dark spots over time, but clinical evidence is still limited compared to more established ingredients.

Menadione is a synthetic vitamin K3 with limited skincare benefits and notable safety concerns, making it a less common and cautious choice in modern formulations.

Menaquinone-7 is a vitamin K2 form that may help firm skin and fade dark circles, but research in cosmetics is still early.

A refreshing mint extract that can provide a cooling sensation, but may irritate sensitive skin due to its menthol content.

A refreshing mint oil that can add a cooling feel to products but may irritate sensitive skin.

A gentle botanical extract that may help calm irritation and provide antioxidant protection, but research is still early.

A refreshing essential oil that adds a minty scent to products, but may irritate sensitive skin if used at high concentrations.

A gentle mint extract that can provide a cooling sensation and mild soothing benefits, but is used more for sensory appeal than potent skincare action.

A gentle botanical extract that may help calm skin and provide antioxidant support, but research is limited.

A synthetic cooling agent that creates a refreshing, minty sensation without actual temperature change, ideal for post-exercise or warm-weather products.

A synthetic cooling agent that provides a refreshing, non-minty cooling sensation, ideal for soothing or invigorating skincare products.

A synthetic cooling ingredient that delivers a refreshing, non-minty sensation without the strong odor or volatility of menthol.

Menthol provides a cooling, tingling sensation but can be irritating for sensitive skin at higher concentrations.

Menthone provides a cooling, minty feel in skincare but can be irritating for sensitive skin at higher concentrations.

A gentle, long-lasting cooling ingredient that adds a refreshing sensation without the strong odor or irritation of menthol.

Menthyl acetate provides a mild cooling sensation without the strong minty odor of menthol, making it a gentle option for refreshing skincare products.

Menthyl Anthranilate is a gentle UVA sunscreen ingredient, but it is less common and not as broad-spectrum as newer alternatives.

A synthetic cooling agent that provides a long-lasting, non-minty cooling feel, ideal for after-sun or refreshing skincare products.

A gentle synthetic cooling ingredient that provides a refreshing sensation without the strong minty smell or potential irritation of menthol.

Menthyl isovalerate is a gentle synthetic cooling ingredient that provides a refreshing sensation without the strong minty smell or potential irritation of menthol.

Menthyl lactate is a gentle cooling ingredient that provides a refreshing sensation without the strong minty smell, making it ideal for sensitive skin or products where fragrance is minimized.

Menthyl nicotinate creates a temporary warm or tingly feeling by increasing blood flow to the skin, but it offers no lasting cosmetic benefit and can irritate sensitive skin.

Menthyl PCA offers a gentle, long-lasting cooling sensation without the strong minty odor of menthol, while also helping to hydrate the skin.

A gentle synthetic cooling ingredient that adds a refreshing feel to skincare without the strong mint scent or irritation potential of menthol.

A gentle, cooling emollient that hydrates and soothes without greasiness, ideal for sensitive or overheated skin.

Menthyl salicylate creates a cooling tingle on skin, but can be irritating for sensitive types and is not a proven treatment for pain or inflammation.

Menthyl Succinate is a gentle, synthetic cooling ingredient that provides a refreshing sensation without the strong minty smell or irritation potential of menthol.

A synthetic fragrance ingredient with limited safety data; best for those who tolerate fragrance well.

A synthetic antioxidant that may help protect skin from environmental stress, but research is still limited compared to more established antioxidants.

A gentle red algae extract that helps hydrate and calm the skin, though research is still emerging.

Meroxapol 105 is a synthetic ingredient that helps mix oil and water in cleansers and lotions, with a low risk of irritation.

A mild synthetic surfactant that helps cleanse and emulsify without stripping the skin, but offers no active skincare benefits.

A mild synthetic ingredient that helps mix oil and water in cleansers, but offers no direct skin benefit.

Meroxapol 172 is a gentle synthetic emulsifier that helps mix water and oil in cleansers and lotions, with low irritation potential.

A mild synthetic surfactant that helps blend oil and water in cleansers, generally well-tolerated but not a standout active ingredient.

A gentle synthetic surfactant that helps cleanse without stripping the skin, but offers no active skincare benefits.

A mild synthetic surfactant that helps blend oil and water in cleansers, generally well-tolerated but not a standout active ingredient.

Meroxapol 252 is a gentle synthetic surfactant that helps blend oil and water in cleansers, but it offers no direct skin benefit beyond cleansing.

Meroxapol 254 is a gentle synthetic surfactant that helps cleanse and stabilize formulas, but it's not a star active ingredient.

A mild synthetic surfactant that helps blend oil and water in cleansers, generally considered gentle and low-irritation.

A gentle synthetic surfactant that helps blend oil and water in cleansers, with low irritation potential.

Meroxapol 311 is a gentle synthetic surfactant that helps cleansers foam and rinse cleanly, but it offers no direct skin benefit beyond cleansing.

Meroxapol 312 is a gentle synthetic surfactant that helps cleansers foam and rinse cleanly, but it offers no direct skin benefit beyond cleansing.