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.
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.
3
Propanediol
Roles: Solvent, Viscosity controlling
Moisturizing
Hair conditioning
Propanediol is a good solvent, emollient and humectant. It helps to moisturize the skin and prevent moisture loss. In haircare products, it conditions hair and improves absorption of the product.
4
Xylitylglucoside
Roles: Skin conditioning, Humectant
5
Anhydroxylitol
Roles: Skin conditioning, Humectant
6
Xylitol
Roles: Skin conditioning, Flavoring, Humectant
Softening
7
Hamamelis Virginiana (Witch Hazel) Leaf Extract
Roles: Skin conditioning, Astringent
8
PEG/PPG-17/6 Copolymer
Roles: Solvent
9
Biosaccharide Gum-1
Roles: Skin conditioning
Moisturizing
Soothing
Hair gloss
10
Caprylhydroxamic Acid
11
Hydroxyphenyl Propamidobenzoic Acid
12
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.
13
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.
14
1,2-Hexanediol
Roles: Solvent
Moisturizing
Good for dry skin
1,2-Hexanediol can do a lot of good things for the formulation of the product. It’s an emollient, preservative, and humectant. It keeps skin hydrated and soft. It’s a good component for dry and dehydrated skin.
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.
16
Sodium Hyaluronate
Roles: Skin conditioning, Humectant
Moisturizing
Softening
Anti-aging
Rejuvenation
Good for dry skin
Sodium Hyaluronate is an amazing component! It plays very important role in skin hydration process. It helps to maintain water balance and lower water loss. Scientists have found a direct dependence between the level of Sodium Hyaluronate in cells and skin aging. That's why this component is so much important. It must be in your routine if you want to have a healthy and fresh looking skin.
Some people think that Sodium Hyaluronate and Hyaluronic acid are different names of the same component, but it is not entirely correct. Hyaluronic acid is a different chemical but with similar effects. Actually, Sodium Hyaluronate is used in cosmetics much more often because it’s more stable and has much better resistance to oxidation.
17
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.
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.
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.
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.
28
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.
29
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.
30
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".