Shea Butter Deep Treatment Masque

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

A blend of cetyl and stearyl fatty alcohols used to thicken lotions and soften skin. It is chemically unrelated to drying alcohols like ethanol, and the CIR expert panel has found fatty alcohols safe as used in cosmetics.

A PEG-type emulsifier (ethoxylated cetearyl alcohol) that helps blend the water and oil parts of a cream. CIR concluded ceteareth ingredients are safe as used, with the one caveat that they are not meant for broken or damaged skin.

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

An undisclosed scent blend that can contain dozens of components. The single most common cause of cosmetic contact allergy, and the blend is not itemized, so you cannot see what is in it.

A natural wax secreted by honeybees, used as an emollient and texture builder in balms and salves. It is generally well tolerated. People with bee or pollen allergies should patch test, as rare sensitization has been documented.

A fatty alcohol used to soften skin and stabilize creams. Despite the name, it does not dry the skin.

A rich plant butter pressed from shea tree nuts, valued for softening and cushioning dry skin. It is generally well tolerated, though very rare allergic reactions have been reported and people with tree nut allergies who are cautious may want to patch test first.

A wax-like ester of ethylene glycol and stearic acid used purely to thicken shampoo/conditioner and give it a pearly opaque look; it has no cleansing or active role. CIR found it non-sensitizing and non-irritating even at high test concentrations, and decades of manufacturer exposure data show no reported health effects.

A polymer of quaternary ammonium compounds widely used as a conditioning and antistatic agent in hair products. It is well established in cosmetic formulations with a strong safety record in rinse-off applications.

A rich, solid-at-room-temperature oil that deeply softens dry skin and hair. It is well tolerated overall, but its high lauric acid content is considered comedogenic by many dermatologists, so it can trigger breakouts in people who are acne-prone.

A rich botanical oil from avocado fruit, used to nourish and soften the skin. It is generally well tolerated across skin types and provides conditioning benefits.

A nutrient-rich oil pressed from sweet almond kernels, used to soften and condition skin. It is generally well tolerated, though people with tree nut allergies should patch test first, as it can rarely trigger allergic reactions.

A liquid wax extracted from jojoba seeds that closely mirrors skin sebum, widely used to soften and condition the skin barrier. It is generally well tolerated and suitable for most skin types.

Cold-pressed oil from olive fruit, valued as a carrier and emollient in skincare formulas. Well tolerated across skin types and delivers fatty acids that support skin barrier integrity.

A rich plant butter from mango seed kernels, valued for its emollient and protective properties. It is generally well tolerated, though very rare allergic reactions have been reported; those with tree nut allergies may want to patch test first.

An extract from neem tree flowers, used for its antioxidant and conditioning properties. While neem has traditional use in skincare, rare cases of contact sensitization have been noted in literature; most people tolerate it without issue.

A lightweight carrier oil expressed from macadamia nuts, rich in oleic acid and similar in composition to skin lipids. Very well tolerated in cosmetic use, though individuals with tree nut allergies who are cautious may want to patch test.

A nutrient-rich carrier oil from soybean seeds containing linoleic and linolenic acids essential for barrier function. Phytoestrogen content is present but not absorbed systemically from topical application, graded low concern by regulatory assessments.

A fatty-acid and tocopherol-rich plant oil used as a hair and skin emollient; CIR's review of plant-derived fatty acid oils found no evidence of irritation or sensitization and a long history of safe use in food and cosmetics.

A plant-derived water or extract used mainly as a soothing humectant filler. Evidence for dramatic skin benefits beyond mild hydration and soothing is limited, but it is well tolerated by most people.

A widely used preservative, safe at the legal limit of 1% or less. Often the "paraben-free" replacement.

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.