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.
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.
C12-15 Alkyl Benzoate is mostly used as formulation component. It gives the product a soft and silky but non-greasy feeling. As for the skin benefits, it's an emollient – it makes the skin softer and more hydrated. It also helps to kill bacteria and increase the product’s shelf life.
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.
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Caprylic/Capric Triglyceride
Roles: Skin conditioning, Fragrance
Caprylic/Capric Triglyceride is an emollient that also hydrates the skin without leaving a fatty film. When applied, the component feels smooth and light. In haircare products, it’s also used for hydrating purposes. It makes hair silky, lowers tangling, and makes hair smooth.
It’s safe for most people, except for people with allergic reactions to coconut or palm oil because these oils are usually used for producing the component.
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Methylpropanediol
Roles: Solvent
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Pentylene Glycol
Roles: Skin conditioning, Solvent
Moisturizing
Hair conditioning
Pentylene Glycol is a great replacement for Propylene Glycol. It has very similar characteristics but it’s derived from plants (usually from corn). Natural cosmetics lovers will find this component very useful. It enhances the moisturizing effect of cosmetic products, improves the efficiency of preservatives and it’s an effective emulsifier. It’s approved by ECOCERT and COSMOS so it’s considered to be 100% safe and can be used in vegan products.
Niacinamide is a form of Vitamin B3 and it’s a superman in cosmetics. This ingredient is researched very well. It has a lot of positive reviews from scientists and experts. It's very important for healthy skin. The lack of this vitamin can cause dryness, itching, and sun sensitivity. The component removes small wrinkles and fine lines, heals wounds, and prevents the forming of cancer cells. It also makes the skin tone even by removing dark spots. It increases ceramide synthesis which increases the overall health of your skin. It fights acne and lowers pores.
Researches say that 4-5% of Niacinamide is the most effective concentration for skincare use.
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Allantoin
Roles: Skin conditioning
Moisturizing
Pore Shrinking
Softening
Soothing
Regeneration
Good for dry skin
Good for oily skin
Allantoin usually doesn’t catch too much attention, but it is an essential ingredient for sensitive, dry, and problem skin. It is a good moisturizer that makes skin hydrated. But manufacturers love it because of its strong soothing effect. It also exfoliates dead cells, stimulates recovery of your skin, and helps to protect the skin from the sun, frost, and similar negative impacts.
The component is researched very well and its soothing activity is confirmed by scientists. Used in concentration between 0.5-2%.
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Sebacic Acid
Roles: Buffering
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Acetyl Rheum Rhaponticum Root Extract
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Astrocaryum Murumuru Seed Butter
Roles: Skin conditioning, Emollient
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Gossypium Herbaceum (Cotton) Seed Oil
Roles: Skin conditioning
Comedogenic rating [ 3 ]
Bad for oily skin
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Bidens Pilosa Extract
Roles: Skin conditioning, Humectant
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Linum Usitatissimum (Linseed) Seed Oil
Roles: Skin conditioning, Fragrance
Bad for oily skin
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Avena Sativa (Oat) Kernel ExtractAntioxidant
Roles: Skin conditioning, Abrasive, Emollient
Softening
Anti-aging
Lifting
Elasticity improvement
Nutrifying
Rejuvenation
Regeneration
Protection
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Carbomer
Roles: Emulsion stabilizer, Gel forming, Viscosity controlling
Moisturizing
Carbomer is used for formulation purposes. It helps to control the viscosity and flow of a product. It’s considered safe but only if it’s well purified. Poorly purified carbomers may contain benzol which may lead to irritation.
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HydroxyacetophenoneAntioxidant
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Silica
Silica is used for improving texture of the product. It helps the product to spread out evenly. Very often it’s used in different exfoliants as an abrasive. It's safe and non-toxic.
Benzyl Alcohol doesn’t belong to harmful alcohols and it will not dry your skin. It’s a stabilizing agent that prevents ingredients oxidization. Having this component in formulation the product will keep efficiency for a longer time. Benzyl Alcohol has a slight almond odor and is used as a fragrance ingredient very often.
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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Sodium Hydroxide
Roles: Buffering
Sodium Hydroxide is used mostly for formulation purposes. It helps to hold the pH level of a product. It also works as a chemical exfoliator that removes dead cells. Usually concentration of this component is low in skin care products and it’s used mostly for adjusting pH.
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Ethylcellulose
Roles: Binding, Film former, Fragrance, Viscosity controlling
Squalane is a more stable equivalent of Squalene. It is a very important component of our skin. It’s a major part of natural sebum that forms a protection barrier on the skin's surface. If the barrier isn’t strong enough, your skin will become more sensitive. Squalanehelps to keep skin hydrated, protects it from the negative impact of the environment, lowers irritation, stimulates regeneration, and removes dryness. It is accepted by our skin very well and will not cause allergic reactions.
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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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Lactobacillus Ferment
Roles: Skin conditioning
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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.
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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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TocopherolAntioxidant
Roles: Skin conditioning, Fragrance
UV Protection
Anti-aging
Regeneration
Comedogenic rating [ 3 ]
Good for dry skin
Tocopherol is one of the most popular active ingredients in cosmetics. It’s a brilliant component. It's a form of Vitamin E and it does help the skin and hair a lot. It conditions the skin, strengthens its barrier, protects it against harm, and makes the tone even. It also helps your skin and hair to resist the sun. It’s safe but can irritate sensitive skin sometimes. Pay attention to concentration!