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.
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.
Citric Acid is one of the AHAs and it is a super useful component! It’s a great antioxidant. It acts as a soft peeling that removes dead cells and kills bacteria. It becomes even more effective if used with other cosmetic acids. Combined formulations are more active, but can irritate sensitive skin if used too often. The component can also whiten the skin and remove dark areas.
It can be an irritator due to its naturally lower pH level of 2.2. But manufacturers also use it as a pH adjuster so in most cases you will not have any issues.
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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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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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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.
Panthenol is a proud member of a league of the best-performing components. It's a stable form of Vitamin B5 and is also known as Pro-Vitamin B5. It’s a very good and effective component for hydration, healing, and soothing irritated skin. It works so soft and gentle that it’s even recommended for people with skin problems like eczema.
In haircare products it’s used for protecting the fiber. It’s researched very well and doesn’t have any negative side effects.
Sodium PCA is a nice moisturizer and skin softener. It contains amino acids and Sodium Hyaluronate. It’s part of the Natural Moisturizing Factor (NMF) that is responsible for keeping the outer layer of the skin hydrated. If you don’t have enough NMF you can face dryness even if you don’t have other skin problems.
Calendula Officinalis Flower Extract is used in medicine for hundreds of years. A small study shows that it can make skin firmer and more hydrated. There was also a slight improvement in elasticity of the skin. The component also heals wounds.
Rosmarinus Officinalis (Rosemary) Leaf Extract is an organic herbal extract derived from Rosemary. It contains a lot of useful chemicals like rosmarinic acid, caffeic acid, betulinic acid, carnosic acid, ursolic acid, carnosol, and camphor. These chemicals help the ingredient to lower inflammation, kill bacteria and fungus, and decrease pain. It’s a great antioxidant to counter signs of aging. It helps tighten the skin and improves elasticity. It also helps to get rid of small wrinkles and fine lines.
Sorbic Acid is a very effective synthetic preservative that is used even in food. It’s considered to be safe for use in cosmetic products. It’s great for increasing the shelf life of a product.
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Chlorphenesin
Roles: Antimicrobial, Biocide, Preservative
Chlorphenesin is a popular preservative. It doesn’t provide any skin-related positive effects and is used to prevent bacterial growth inside a product. It’s a weak preservative but works much better with silicones.
Allowed concentration: no more than 0,3% for European Union countries.
Benzoic acid is a preservative and pH adjuster. Human skin accepts this component very nicely. It doesn’t cause irritation or other negative reactions. In 2017 there was a Cosmetic Ingredient Review Expert Panel meeting that confirmed the safety of this ingredient in skincare.
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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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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.
AntioxidantAHA
