Ceramide Ato Concentrate Cream

The base most products are built on. It carries the other ingredients and has no safety concern.

A lightweight humectant and solvent similar in role to propylene glycol, used to carry actives and give lotions a lighter feel. CIR has reviewed it and considers it safe as used in cosmetics.

A humectant that draws water into the skin. One of the best-studied, best-tolerated ingredients in personal care.

A silicone that gives a smooth, soft feel and helps hold water in the skin. Inert and well studied.

A multi-ester emollient derived from pentaerythritol and isostearic acid. It softens and protects skin, with no known safety concerns in cosmetic formulas.

A naturally occurring fatty acid (also made in the body and found in many foods) used to thicken lotions and help stabilize cleansing bars. It is one of the most well-studied emollient ingredients and is not a meaningful irritant at cosmetic use levels.

A long-chain fatty alcohol used to thicken and stabilize creams and soften skin. It is a waxy emollient, not a drying solvent, and is graded low concern in published assessments.

A saturated fatty acid found in palm oil and naturally in the skin, used as an emollient to soften and condition skin. It is one of the most studied fatty acids and is well tolerated.

An ester that combines cetyl alcohol with ethylhexanoic acid, serving as an emollient. It softens skin and is well tolerated in cosmetics.

A glycol used very widely in Korean and Western skincare as a lightweight humectant, solvent, and gentle preservative-booster, often in place of traditional preservatives. It has a low reported irritation rate at use levels and is graded low concern in published assessments.

A fatty alcohol derived from arachis oil or synthesized, used as an emollient and emulsifier in creams and lotions. It is well tolerated and graded safe for cosmetic use.

A mixture of fatty alcohols ranging from 14 to 22 carbons, used as emollients and emulsifiers in creams and formulations. The published evidence supports safety at cosmetic levels.

A synthetic conditioning agent derived from fatty acids. Used to soften and smooth skin and hair, it is well tolerated. Published safety data is limited outside industry cosmetic testing, but no concerns have been flagged in cosmetic registers.

A sugar-derived emulsifier that bridges oils and water in skincare formulas. It is gentler and plant-sourced, making it popular in natural and gentle formulations. Well tolerated with no known safety concerns.

A polyol (sugar alcohol) that attracts water to the skin. Like sorbitol and glycerin, it is well tolerated in skincare formulas. It is commonly used to boost hydration without the stickiness of other humectants.

A glycerin derivative used as a skin conditioner and preservative booster, often paired with phenoxyethanol to allow lower total preservative levels. It has a low irritation and sensitization profile in safety reviews.

A widely used emulsifier and solubilizer that has been in cosmetics and pharmaceuticals for decades. The CIR has assessed it as safe with no known concerns at typical cosmetic concentrations. As with any surfactant, some people with very sensitive skin may experience mild irritation.

Carbomer is a synthetic polymer used purely to thicken and stabilize gels and lotions, with negligible skin penetration due to its large molecular size. Safety reviews have found low toxicity and minimal irritation potential even in leave-on use.

A saturated fatty acid used as an emollient and texture ingredient in creams and formulations. It is well tolerated and commonly used at safe concentrations.

A waxy sterol found naturally in skin and used in cosmetics as an emollient and emulsifier. It supports the skin barrier and is well tolerated across skin types.

A mineral thickener and anti-caking agent widely used in sunscreens and cosmetics to control texture and prevent ingredient separation. CIR has reviewed silica in cosmetic use and found no basis for concern at the levels used topically.

A lab-made version of a lipid naturally found in the outer skin barrier. It is added to creams and cleansers to help replace lipids that washing can strip away, and it is not linked to irritation or safety concerns.

A phospholipid emulsifier from soy or sunflower that binds water and oil and helps other ingredients absorb. It is a natural component of skin membranes, well tolerated, and reviewed as safe as used; a soy-derived grade is not a meaningful concern for a soy food allergy because the protein is largely absent.

An antioxidant that helps protect a formula and condition skin. Well tolerated.

Rosemary extract is widely used at low levels as a natural antioxidant to help stabilize oils and extend product shelf life, in addition to appearing as an active botanical in some formulas. It is generally well tolerated, with occasional mild contact reactions reported, mostly at higher leave-on concentrations.