Excipients

Derived from brown algae, sodium alginate, or “Algin” in INCI terminology, is an ingredient widely used in cosmetics. Valued for its gelling properties, it provides structure to many formulations. But how does it actually act on the skin? Let us examine together the mechanisms and uses of sodium alginate.

A naturally derived polysaccharide, pullulan is increasingly used to improve the texture and performance of cosmetic products. But do its effects go beyond the purely sensory dimension? And what about its safety profile? Find out more here about “pullulan”.

Cetyl Phosphate is a compound used to structure certain emulsions and enhance the sensory characteristics of cosmetic products. Although not widely known to the general public, it directly contributes to the quality of formulations. What exactly is the role of Cetyl Phosphate for the skin and in formulation? We explain everything here.

Caustic soda is often associated with corrosive or hazardous substances. However, in specific forms and at low concentrations, it also plays a role in the manufacture of soaps and deodorants. Ultimately, its effect depends on its use and chemical transformation. What role does sodium hydroxide have in cosmetics? Let’s take stock together.

Discreet yet omnipresent in cosmetic formulations, Pentylene Glycol contributes to the stability and comfort of skincare products. Behind this technical name lies a multi-functional ingredient, often unfamiliar to the general public. What exactly is the role of Pentylene Glycol in a cream or serum? And is it truly a safe ingredient? Find out more below.

Beyond sunscreens, pigment-grade titanium dioxide, listed as CI 77981, is found in almost all tinted products. But why is it used and found in this form in cosmetic formulas? Continue reading to learn more about this component.

Both in skincare and makeup products, CI 77491 is a very common ingredient in cosmetics. But what lies behind this "Colour Index"? We explain it here.

Phthalates are chemical substances derived from phthalic acid. In cosmetics, they are typically used as fixative and film-forming agents. In hair care products, they make the fibre more flexible, lighter and shinier. Subject to controversy, they are accused of being allergenic, even toxic, and are implicated as endocrine disruptors. The European Union has banned most of these compounds in cosmetic formulas. The only one still allowed is the dimethyl phthalate (INCI: Dimethyl phthalate - DPE). A focus on these chemical compounds that are widely subject to controversy.

BHA (ButylHydroxyAnisole) and BHT (ButylHydroxyToluene) are synthetic ingredients used both in food as additives, and in cosmetics as antioxidants. Suspected to be endocrine disruptors and carcinogens, they are also irritants and can cause allergies. For all these reasons, they are particularly criticised today. What is their regulation? What substitutes do we use at Typology? Discover some elements of response here.

Sulphates are cosmetic ingredients typically found in cleansing and foaming products due to their excellent detergent properties. However, they are often irritating to the skin and polluting to animals, aquatic environments, and plants. Sodium lauryl sulphate is a surfactant most often produced from palm oil. Although authorised in organic products, it remains a subject of controversy. Why is this the case? What eco-friendly alternatives can be used as substitutes?

Today's consumers are increasingly keen to understand the composition of the cosmetic formulas they use. Certain ingredients are suspected of being harmful to health and/or the environment. It is therefore understandable to be concerned and wish to have more information on the subject before purchasing a product. Indeed, sulfates, particularly sodium laureth sulfate, are often under scrutiny. Why is this sulfated surfactant controversial? Should we avoid it? Are there more eco-friendly and less irritating alternatives? Let's focus.

Silicones are synthetic polymers that are widely used in skin and hair care products to enhance spreadability and softness to the touch. They have been criticised due to their environmental impact, and some are suspected of being harmful to health. In light of this, Typology has decided to exclude these substances from its products.