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.
2
Sodium Laureth Sulfate
Roles: Cleansing, Emulsifying, Surfactant
Cleansing
Comedogenic rating [ 3 ]
Sulfates
Bad for dry skin
3
Sodium Chloride
Roles: Flavoring, Viscosity controlling
Antiseptic
Sodium Chloride is a very famous ingredeint also known as Salt. Yes, it’s the same salt you can find on your table. In cosmetics, it is used as a preservative helping the product to live longer. It is also used as a peeling agent in different scrubs. Human contact with this element since ancient times and that's why it is 100% safe.
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.
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.
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.
Dipropylene Glycol is a solvent, emulsifier, viscosity decreasing, and masking agent. It helps to extract useful chemicals from plants and leaves, making natural components in a product more effective. It also helps to hydrate the skin. Considered safe for health and doesn't irritate the skin in common concentration.
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".
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.
19
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.
20
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.
21
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.
22
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.
23
Hexyl Cinnamal
Roles: Fragrance, Masking
Allergens
Hexyl Cinnamal is a fragrance component that gives the product pleasant cinnamon and light jasmine aroma. It’s also used to enhance other fragrances. It’s considered a skin sensitizer and manufacturers have to call out this component on an ingredient statement.
24
Lilial
Roles: Fragrance, Masking
Allergens
25
Linalool
Roles: Deodorant, Fragrance, Masking
Allergens
Linalool gives the product a nice and fresh lavender scent. It can be found in many essential oils. It oxidizes during air exposure and becomes allergenic. It can lead to irritation causing problems for people with sensitive skin. The threat is even higher if the product was opened several months ago. In such products, more Linalool is oxidized.
26
Benzyl Benzoate
Roles: Antimicrobial, Fragrance, Masking, Solvent
Allergens
Benzyl Benzoate is a potentially harmful fragrance ingredient. It's one of the “EU 26 fragrances” that has to be labeled separately because of allergen potential. It's a good idea to avoid this component if you have sensitive skin.
27
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.