Cosmetology
Present only at trace levels in the environment, cadmium is a heavy metal known for its toxicity. Its potential presence in certain everyday products, including cosmetics, raises questions. Can we really be exposed to it via our skincare routine? Is this a cause for concern? Let’s take a closer look.
The scent of a cosmetic product is often associated with the pleasure of using it. However, not all skincare products are fragranced. At Typology, some products may have a more raw or plant-like smell, which can sometimes be surprising. Where does it really come from? And should you be concerned about it? Here, we explain the origin of the scents in our skincare products.
Derived from brown algae, sodium alginate, or “Algin” in INCI terminology, is a widely used cosmetic ingredient. Valued for its gelling properties, it provides structure to many formulations. But how does it actually act on the skin? Let’s break down the mechanisms and uses of sodium alginate.
A naturally derived polysaccharide, pullulan is increasingly used to improve the texture and performance of cosmetic treatments. But do its effects go beyond sensory properties alone? And what about its safety profile? Learn more here about “Pullulan.”
In cosmetics, not all active ingredients penetrate the skin in the same way. Their effectiveness depends in particular on their molecular weight. The well-known 500 Dalton rule helps us better understand this phenomenon. But what does this rule actually mean, and what are its limitations? Keep reading to learn more about the 500 Dalton rule.
In cosmetic care, the way ingredients are dispersed influences both the texture and effectiveness of products. Microemulsions are a specific type of system that makes it possible to stabilize certain formulations. Their microscopic structure can offer several advantages. What is a microemulsion in cosmetics? Why are microemulsions useful? Learn more about microemulsions here.
Certain serums designed to promote eyelash growth contain prostaglandin derivatives, pharmacologically active substances that were originally used in ophthalmology to treat glaucoma. Their effectiveness in stimulating eyelash growth is well established, but several ocular adverse effects have also been reported. In response to concerns raised about their use in cosmetics, European health and scientific authorities have examined their safety. What do current regulatory assessments say about these ingredients? Let’s take a closer look.
Cetyl Phosphate is a compound used to structure certain emulsions and improve the sensory feel of cosmetic products. Although it is 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 it all here.
Given the constant evolution of the skincare industry, emerging trends, and new product launches, structuring a routine can seem complex. Yet a few simple principles can yield a coherent routine tailored to your skin type. Understanding the order of application and product compatibilities forms a crucial foundation. At Typology, we favor an approach grounded in the essentials—personalized, skin-respectful, and science-based. In this article, we offer a step-by-step guide to learn more about skincare layering, why it’s vital to master, and how to avoid common mistakes.
This is a small revolution for nail technicians: TPO (diphenyl trimethylbenzoyl phosphine oxide), used in nail polishes, has been banned since September 1, 2025. Singled out for its toxicity, it must be replaced by safer alternatives. What are the stakes behind this decision, and how does it affect consumers? Here is more information.
The sun does not recognize borders, unlike regulations. While the European Union allows 28 UV filters, the United States only offers 16 and has not approved any new filters for over twenty years. How can we explain this difference? What is the impact for American consumers? Let's delve into this topic together.
The year 2025 marks a decisive turning point for the solar care industry with the approval by ISO, the International Organization for Standardization, of two new SPF testing methods. These approaches, more ethical and less invasive, allow for an equally reliable evaluation of the UV protection offered by sunscreens. Read on for more information about these new standards.
Before being released to the market, cosmetics must meet various requirements related to the regulations in force in their launch country. To do this, a safety report must be established, concerning among other things the ingredients that make them up. Discover in this article how the safety of skin care ingredients is evaluated.
Cosmetic products, whether opened or not, have a limited lifespan. To protect consumers and limit the risk of skin reactions, it is mandatory for brands to indicate the shelf life of each product. How is this expiration date determined? Let's discover it together.
Emollient agents are key ingredients in many cosmetic formulations, whether they're in moisturizing creams, hair care products, or makeup items. While most cosmetic enthusiasts are aware of their ability to protect and soften the skin, few know that they possess other interesting properties. Let's explore together the various roles of emollients.
Commonly used in the formulation of skincare, haircare, eyelash, and nail products, film-forming agents play a crucial protective role. But how do we define them? And what exactly is their function? Discover more information here about film-forming agents and their use in cosmetics.
The excitement around a new skincare product can sometimes prevent us from being realistic about its effectiveness. However, depending on the desired benefit, results can take time to appear. So, how long should you follow a skincare routine to see results? In this article, we have examined the average time needed for common active ingredients in skincare to work, to help you set realistic expectations.
The formulation of a cosmetic product involves considering various parameters, among which are the desired efficacy, the color of the treatment, its texture, its scent... The sensory experience is indeed very important for consumers and is particularly influenced by opacifiers. What is an opacifier? What is its role? Learn more in this article.
Used in the treatment of surfaces, materials, paints, and varnishes, antistatic agents are also favored ingredients in cosmetics, particularly for formulating hair care products. Discover here the various functions of antistatic agents found in formulation.
Daily care is necessary if you wish to maintain the health and radiance of your skin. Several steps should be anticipated during your facial routine and the application of your various treatments should follow a well-defined order to achieve the best results or even avoid undesirable effects. Indeed, the order of application has an effect on the penetration of active ingredients and therefore on the long-term benefits of the products. Continue reading to discover the appropriate order for layering your facial treatments.
It may not be widely known, but we often find several texture agents in the INCI list of our cosmetics. But what exactly do they do? Discover here the different properties of texture agents and why they are so important in cosmetic formulation.
Measuring the pH of a cosmetic product is a critical step in its formulation. Indeed, to ensure consumer safety, maintain formula stability, and guarantee the effectiveness of the treatments, it is essential that the product's pH is appropriate and falls within a well-defined range. To achieve this, formulators use pH regulators. Discover more information about this family of ingredients here.
Surfactants are among the compounds commonly used to formulate cosmetic care products. While their name may sound intimidating, these ingredients play an essential role. What is a surfactant and what is its purpose? Let's explore the answers to these questions together.
and its complex needs.
Keep the essential.
Our formulas are short, with only essential ingredients.
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