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.
Alcohol Denatured is a great bacteria killer. Manufacturers often put it inside products to increase their shelf life.
3
Polysilicone-11
Roles: Film former
4
PEG-40 Hydrogenated Castor Oil
Roles: Emulsifying, Fragrance, Surfactant
Cleansing
Soothing
Malassezia unsafe
PEG
PEG-40 Hydrogenated Castor Oil helps ingredients to mix better. It has nice cleansing activity helping to remove sebum and dirt from the surface of your skin. It's also responsible for making soft foam in soaps, shower gels, etc. Despite it having "PEG" in the title, it's considered to be safe.
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.
8
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.
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.
10
Methyl Methacrylate Crosspolymer
Roles: Film former, Viscosity controlling
11
Disodium EDTA
Roles: Chelating, Viscosity controlling
Disodium EDTA is an emulsion stabilizer and chelating agent. It deactivates the metal ions preventing them from reacting with other active ingredients. It improves the stability of a cosmetic formula and keeps the product’s consistency, texture, and pH unchanged. It doesn’t have any skincare effects and is used for formulation purposes only.
12
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".
13
Tocopheryl AcetateVitaminsAntioxidant
Roles: Skin conditioning
Softening
Nutrifying
Tocopheryl Acetate is a form of Vitamine E. It’s used as an alternative to Tocopherol because it is more stable in the formulation. It has all the positive effects of Tocopherol plus better stability. It’s a brilliant component. It conditions and nourishes the skin helping it to resist aging. It also helps to protect the skin from the sun. High concentrations of Tocopheryl Acetate can lead to irritation and allergic reactions.
14
Laureth-12
Roles: Emulsifying, Surfactant
15
Aloe Barbadensis (Aloe Vera) Leaf Juice
Roles: Skin conditioning
UV Protection
Moisturizing
Soothing
Healing
Aloe Barbadensis (Aloe Vera) Leaf Juice is a natural juice received from Aloe leaves. It has been used in cosmetics for hundreds of ages. Scientists have discovered that it contains more than 200 nutrients: minerals, amino acids, vitamins, and so on. It’s a good component for calming irritated skin. It also helps to heal wounds, helps the skin regenerate faster, improves collagen syncretization, tones up, and moisturizes the skin. It also provides a slight UV-filtering effect.
16
Hdi/Trimethylol Hexyllactone Crosspolymer
Roles: Anticaking
17
Polymethylsilsesquioxane
18
Dehydroacetic Acid
Roles: Preservative
Antiseptic
Dehydroacetic Acid is a nice preservative. It has potent antifungal and antibacterial properties. It’s not toxic and it doesn’t irritate the skin. Used to increase the shelf life of a product.
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
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.