Water is a great solvent. It’s neutral and doesn’t provide any strong positive or negative effects. It just helps components to mix better and to transport active components.
Glycerin is one of the most outstanding and helpful skincare components. It's used in many skincare products because it works and provides notable results. It's one of the best moisturizers. Molecules of Glycerin can absorb water and deliver it into deep layers of the skin making it hydrated.
Palmitic Acid is an emulsion stabilizer. It reduces water evaporation from the surface of your skin. That’s why this component is good if you suffer from dryness. It also increases the efficiency of other surfactants in the formulation. It can be found in many organic oils including Avocado oil, Cocoa oil, Olive oil etc.
Stearic Acid doesn’t belong to aggressive acids. It’s a fatty acid that can be found in Shea Butter, Cocoa Butter, and many natural butters and oils. The component is mostly used for formulation purposes. It makes the product spread and feel better. It’s one of the most important fatty acids in our skin cells.
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Methylpropanediol
Roles: Solvent
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Glyceryl Stearate SE
Roles: Emulsifying, Surfactant
Moisturizing
Softening
Comedogenic rating [ 3 ]
Bad for oily skin
Glyceryl Stearate SE is a nice moisturizing ingredient. It hydrates the upper layers of the skin and fills small wrinkles. In haircare products, it's used for making hair softer.
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Decyl Glucoside
Roles: Cleansing, Emulsion stabilizer, Surfactant
Cleansing
Decyl glucoside is a surfactant. It provides degreasing and wetting effects. It removes dirt and sebum gently. It doesn’t irritate the skin but at the same time, it’s an effective cleanser. It’s considered to be the safest among all the other surfactants.
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Ethylhexylglycerin
Roles: Skin conditioning, Deodorant
Moisturizing
Softening
Antiseptic
Deodorant
Ethylhexylglycerin makes the skin softer, smoother and more hydrated. It acts deeply but without any heavy or sticky feeling. In haircare products, it works as a conditioner and scalp cleanser. It is safe but only in concentration below 8% in rinse-off products and below 2% in leave-on products. Can be an irritator in higher concentrations. In general, this component is great if you see it somewhere at the bottom of the list.
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Pentasodium Triphosphate
Roles: Buffering, Chelating
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BHTAntioxidant
Roles: Fragrance, Masking
BHT is a stabilizer and antioxidant. It helps to keep the product fresh for a long time, preventing the oxidization of components. It is stable even in high temperatures, that’s why it’s an essential component in some products. It also protects the skin from free radicals. As for safety, the component isn't researched very well. It’s considered to be safe in low concentrations. But there is still not enough scientific data collected.
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Tetrasodium EDTA
Roles: Chelating
Tetrasodium EDTA is a formulation component. It is a pH adjuster and chelate. It prevents other components from reacting with each other making the product live longer.
Salicylic Acid is an amazing component for oily skin. It’s a famous BHA that chemically exfoliates dead cells, kills bacteria, and prevents acne. It works as a strong pores cleanser. AHAs are not effective for removing sebum from pores, while BHAs are leaders in this space. Salicylic Acid also helps to shrink pores, remove acne scars and make skin tone even. Pay attention: concentration matters! This ingredient is rather aggressive. It can lead to irritation in high concentrations. If your skin has never seen this component before test the product first.
Butylene Glycol is a very popular synthetic alcohol. It helps the product to absorb deeper and faster. It is also a solvent for other ingredients. As for the skin benefits, it helps to attract water and helps to make the skin softer.
Arginine is an essential amino acid. It works as an antioxidant when used in skincare products. It also helps the skin to regenerate and stay hydrated. In hair care, it is used to decrease damage from oxidative coloring or bleaching.
Simmondsia Chinensis (Jojoba) Seed Oil is a great vegetable oil to counter dryness. It reduces inflammation and it’s a very nice ingredient for people with redness, eczema, and rosacea. It’s accepted very well by humans skin because its chemical structure is very similar to sebum. That’s why it will hardly provoke any allergy. It’s a very good helper for people with dry skin.
Lecithin is a great emulsifier. It also has slight antioxidant activity, but it’s not enough if you are looking for a strong and effective anti-oxidant. Our skin cells contain Lecithin and that’s why this component will hardly cause any problems or negative reactions. It soaks in pretty fast and it’s accepted by skin cells very well.
Xanthan Gum is used as a thickener or rheology modifier and emulsion stabilizer. It doesn’t provide any notable skin-related effects and is used mostly for formulation purposes. It makes the product’s texture smooth and even. It’s a naturally-derived thickener. Notable fact: it can also be found in the food you eat every day, so it is 100% safe.
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Fragrance
Roles: Deodorant, Fragrance, Masking
Fragrances
Fragrance is a mix of chemical ingredients (usually 20-30 chemicals but up to 200 sometimes) that help the product to smell better. It can hide many bad things. Synthetic fragrances may contain many different chemicals, but manufacturers don’t want to reveal each of them for some reason and hide them behind the word "Fragrance".
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Phenoxyethanol
Roles: Fragrance, Preservative
Antiseptic
Phenoxyethanol is one of the most popular preservatives. It kills bacteria and makes the product live longer. Manufacturers like this ingredient because it can dissolve in any liquid, even in oils.
Another purpose of this component is the fixation of aromas in perfumery. Phenoxyethanol is also used as a strong antiseptic and a good antibacterial agent. It is widely used in dermatological cosmetics alongside natural antiseptics such as chamomile, sage, and calendula.
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Potassium Sorbate
Roles: Fragrance, Preservative
Antifungal
Antiseptic
Potassium Sorbate is a preservative that increases the shelf life of the product. It’s a great alternative to parabens. That's why manufacturers like to use this component. It is safe in concentration of up to 10% but it is used in cosmetics in amounts of 1% or even lower.
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Sodium Benzoate
Roles: Fragrance, Masking, Preservative
Antifungal
Antiseptic
Sodium Benzoate doesn’t have any great skincare effects and is used for formulation purposes. It’s a corrosion inhibitor, fragrance ingredient, and preservative. It is not a broad-spectrum preservative and it’s used with other preservatives for good efficiency. It’s safe, but people with eczema or a history of skin allergies should use this component with attention.