Beauty ingredients explained in plain English

A mild, coconut-derived surfactant that cleanses effectively while being gentle on the skin barrier.

A reliable, mild emulsifier that creates stable, lightweight formulas without clogging pores or irritating sensitive skin.

A mild, sugar-derived emulsifier that creates stable, creamy textures without stripping the skin.

A mild, plant-derived emulsifier that helps create stable, non-greasy formulas without stripping the skin.

A mild, sugar-derived emulsifier that creates stable, non-greasy creams and is well-tolerated by most skin types.

A gentle, synthetic amino acid that helps hydrate and condition skin, but research on its benefits is still limited compared to more established humectants.

A gentle, effective anti-inflammatory derived from licorice root that helps calm redness and irritation without harsh side effects.

A synthetic fragrance ingredient that adds a fresh scent but offers no skincare benefits and may cause sensitivity in some individuals.

A gentle, stable antioxidant derived from citrus that may help brighten skin and support microcirculation, especially around the eyes.

A synthetic fragrance ingredient that adds scent but offers no skincare benefits; generally safe at low levels but may cause irritation in sensitive individuals.

Methyl hexyl ether is a synthetic solvent that helps blend ingredients, but it has limited published safety data and may cause irritation in sensitive skin.

Methyl Hydratropaldehyde is a synthetic fragrance ingredient that adds a pleasant scent but may cause skin irritation in sensitive individuals.

A film-forming ingredient that helps cosmetics stay put and feel smooth, but may not suit those with very sensitive skin.

A synthetic UV filter that helps protect skin from sun damage, generally considered safe and low-irritation for most people.

A mild, sugar-derived conditioning agent that softens skin and adds a gentle antimicrobial boost, ideal for sensitive skin cleansers.

A gentle, plant-derived thickener that improves product texture without clogging pores or irritating skin.

A synthetic emulsifier that helps mix oil and water in creams and lotions, generally considered safe at low concentrations.

A synthetic UVB filter that helps protect skin from sunburn and long-term sun damage, but may not be suitable for very sensitive skin.

A synthetic amino acid that may help support collagen and improve skin firmness, but research is still early.

A gentle, non-greasy emollient that helps soften and smooth the skin with a low risk of irritation or clogged pores.

Methyl Ionones are common synthetic fragrances that add a pleasant floral scent but may cause allergic reactions in sensitive individuals.

A gentle synthetic humectant that helps hydrate skin without the sticky feel of glycerin, making it a good option for lightweight formulas.

MIBK is a strong industrial solvent with limited cosmetic use; it can be irritating and is best avoided in leave-on skincare.

Methyl isoeugenol is a synthetic fragrance compound that adds a warm, spicy scent but is a common allergen and may cause skin sensitivity in some people.

A synthetic fragrance compound that adds a fresh, woody scent but offers no skincare benefits and may cause irritation in sensitive individuals.

A strong solvent that can thin formulas but may irritate sensitive skin; best avoided in leave-on products.

Methyl isopropylcyclohexanol is a synthetic fragrance ingredient that adds a cooling sensation to products, but it may cause irritation for sensitive skin.

Methyl Isovalerate is a synthetic fragrance ingredient that adds a fruity scent to products; it is generally safe at low concentrations but offers no skincare benefits.

A natural floral fragrance compound that is generally safe but may cause sensitivity in some individuals.

Methyl lactate is a mild humectant that helps hydrate skin without the sting often associated with pure lactic acid, making it a good option for sensitive skin.

Methyl Laurate is a gentle emollient that softens skin and helps other ingredients absorb, with a low risk of irritation or clogged pores.

A lightweight emollient that softens skin without feeling greasy, generally well-tolerated and non-irritating.

Methyl linoleate is a gentle, esterified fatty acid that helps soften and condition skin without the greasy feel of pure oils.

Methyl methacrylate is a synthetic monomer used in nail products, but it can cause skin irritation and allergic reactions, especially in uncured form.

A synthetic film-former that improves wear time and texture in makeup and sunscreen, but offers no active skincare benefit.

A synthetic polymer that improves product texture and wear, but its coumarin component may raise mild sensitivity concerns for some users.

A safe, synthetic powder that helps products feel silky and controls shine without clogging pores.

A synthetic polymer that helps products last longer and resist water, but offers no active skincare benefit.

A synthetic polymer that gives a silky, smooth feel to skincare and makeup without clogging pores or causing irritation.

A synthetic UVB filter that helps protect skin from sunburn, but its use is declining due to safety and environmental concerns.

A synthetic scent ingredient that adds a warm, woody note but offers no skincare benefits and may cause sensitivity in some people.

A synthetic ester that adds a fruity apple scent to products; generally safe at low concentrations but offers no skincare benefits.

A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; safe for most people but may cause sensitivity in those with fragrance allergies.

A synthetic scent ingredient that adds a pleasant fruity note but offers no skincare benefit and may be a concern for those avoiding fragrance.

A synthetic fragrance ingredient that adds a woody scent; generally safe at low levels but may cause sensitivity in some people.

A synthetic scent ingredient that adds a warm, woody note to products; generally considered safe at low levels but may cause sensitivity in some people.

A synthetic UVB filter that helps protect skin from sunburn, but it's less common in modern sunscreens due to newer alternatives.

A synthetic fragrance compound with limited safety data; generally considered safe at low concentrations but may cause sensitivity in some individuals.

A synthetic fragrance ester that adds a fruity note to products; generally safe at low levels but offers no skincare benefit.

Methyl Morpholine Oxide is a synthetic ingredient that helps stabilize and improve the feel of hair and cleansing products, but it may cause irritation for sensitive skin.

A lightweight emollient that softens skin but may clog pores for some people.

A mild cleansing agent that helps remove dirt and oil without stripping the skin, but is rarely used alone in modern formulations.

A niacinamide variant that may improve skin tone and circulation, but can cause temporary flushing in sensitive individuals.

Methyl nicotinate creates a temporary flush and warmth by widening blood vessels, but it can irritate sensitive skin and its cosmetic benefits are short-lived.

A synthetic fragrance ingredient with a strong, fruity odor; generally safe at low levels but may cause irritation in sensitive individuals.

A synthetic fragrance ester that adds a fruity, floral note to products; generally safe at low concentrations but may cause sensitivity in some individuals.

Methyl O-Anisate is a synthetic fragrance ingredient with a pleasant anise-like scent, generally considered safe at low concentrations but may cause irritation in sensitive individuals.

A gentle emollient derived from fatty acids that helps soften and smooth skin, but research on its specific benefits is still limited.

A synthetic scent ingredient that adds a warm, woody note to products but offers no skincare benefit and may trigger sensitivities in some people.

Methyl Oleate is a gentle emollient that softens skin but may clog pores for acne-prone individuals.