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.
Propylene Glycol is a useful componet with many positive effects. It’s a very good moisturizer. It helps to deliver ingredients into deeper layers of the skin. It creates a protective layer on the skin preventing water loss. The component is researched very well and doesn’t have notable side effects. It’s used even for making food.
Cocamidopropyl Betaine is a pH 4.5-5.5 liquid that is used to improve the overall efficiency of the formulation. It’s usually combined with different surfactants and is used because of its cleansing efficiency. It helps to remove sebum and dirt from the skin and hair. It also works as a foaming agent helping to make a pleasant foam.
Cetyl Alcohol is a fatty alcohol. It’s responsible for making your skin soft and improving product thickness. It makes the product easier to apply and feel richer. Though it contains the word “Alcohol” in its title, the component doesn’t belong to harmful alcohols. That’s why a product with this component can still be marked as Alcohol-free. Usually, manufacturers receive this component from coconut or palm oil.
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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.
Triethanolamine is a pH adjuster. It is a toxic component that can be absorbed by the skin and detected in blood later. It can be a dermal irritant. Though it's considered safe, you should think before using it in skincare. There are many products on the market without Triethanolamine.
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Polysorbate-20
Roles: Emulsifying, Fragrance, Surfactant
Nutrifying
Malassezia unsafe
Polysorbate 20 doesn’t have any notable skin benefits but is used in cosmetics quite often. Manufacturers use it for formulation purposes. It improves the scent, texture, and feel of the product.
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Methylparaben
Roles: Fragrance, Preservative
Parabens
Methylparaben is an effective preservative. It is a controversial ingredient in terms of safety. In 2006 there was a laboratory test showed that this component can increase the sun sensitivity of the skin cells. That’s why it’s a good idea to use sunscreen after you use this component.
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Propylparaben
Roles: Fragrance, Preservative
Parabens
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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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Lilial
Roles: Fragrance, Masking
Allergens
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Amyl Cinnamal
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Limonene
Roles: Fragrance
Antiseptic
Allergens
Limonene provides a nice and fresh citrus scent. It can be found in many plants. It's used in cosmetics because of its low price and pleasant smell.
