Active substances

Retinol belongs to the family of retinoids, molecules derived from Vitamin A. These compounds are highly sought after for their effects on skin laxity and blemishes and can be used in several ways. Which ones? Discover in this article the different ways to utilise retinoids.

Retinol is a derivative of Vitamin A, known for its ability to smooth wrinkles and reduce blemishes. However, its effectiveness often comes with a risk of irritation, particularly at the beginning of use. At what age should it be incorporated into one's routine? What frequency should be adopted to enjoy its benefits without harming the skin? We provide clarity on best practices here.

Retinol is a key active ingredient in combating skin ageing, blemishes, and dark spots. It stimulates the synthesis of collagen and elastin, fibrous proteins present in the dermis that are essential for skin firmness and elasticity, and accelerates cell renewal. While retinol is effective on its own, it can also be combined with other active ingredients to enhance its benefits or improve its tolerance. Discover here which ingredients retinol can be paired with.

Derived from Vitamin A, retinol is an exceptionally effective ingredient for combating oxidative stress and skin ageing. However, it comes with several side effects and contraindications that are crucial to be aware of. Here, we discuss the main risks of retinol, as well as effective ways to avoid them.

Retinol is a potent firming agent, primarily recognised for its effects on signs of ageing. However, its benefits for the skin do not stop there. Continue reading to discover all the skin-related virtues of retinol.

Retinol is a derivative of Vitamin A, predominantly found in treatments designed to slow skin ageing. Studies regarding its benefits for hair and scalp are limited but nonetheless show promising results. Discover them in this article.

Retinol is an active ingredient increasingly found in skincare products. It is effective in combating loss of firmness as well as blemishes, making it a popular choice for caring for mature skin and oily, acne-prone skin. This article explores the various galenic forms in which retinol can be incorporated, as well as our products that contain this active ingredient.

Retinol is a derivative form of Vitamin A that belongs to the retinoid family. It is currently recognised as one of the most effective compounds to counteract the degradation of the skin's support fibres. Find here the reviews on Typology products incorporating this tensing active ingredient.

Retinol is one of the most renowned active ingredients in skincare for slowing skin ageing and reducing wrinkles and fine lines. What accounts for its popularity? What do scientific studies say about it? Discover in this article why retinol is so popular for mature skin care.

Retinol is one of the most well-known derivatives of vitamin A. A key active ingredient in skincare, it is primarily found in treatments aimed at enhancing skin texture and reducing signs of ageing. History, mechanism of action, synthesis, usage precautions... Find all the information you need to know about retinol here.

Retinol, vitamin C, tranexamic acid... most cosmetic ingredients work more effectively when combined with others that act synergistically on biological pathways. Niacinamide is no exception and pairs well with several active ingredients, which explains its presence in many skincare formulations. Read on to discover the most beneficial ingredient combinations with niacinamide.

Niacinamide is known for its ability to promote blood microcirculation and reduce redness. Soothing irritation, this active ingredient is used in the composition of numerous products for combination to oily skin with imperfections. But what promotes the appearance of acne pimples? How does niacinamide help with acne scars?

Niacinamide is a multifunctional active ingredient increasingly found in skincare products. As an antioxidant, it combats premature ageing of the epidermis. Its sebum-regulating and antibacterial properties also make it an excellent ally for oily skin (+), whether or not it has blemishes. Here, we focus on the process of obtaining this ingredient.

Glycolic acid is naturally present in sugar plants and is an alpha-hydroxy acid that is particularly used in facial treatments for its exfoliating properties. It also plays a role in reducing wrinkles and acne scars and improves the overall appearance of the skin. Discover its structure, formula and synthetic formation process.

Some topical agents, particularly those used in acne treatment, can make the skin more sensitive to the sun, meaning it is more likely to burn even if this is not usually the case. Let's examine here whether this is true for azelaic acid to determine if it can be safely used during the day or if special precautions need to be taken.

Niacinamide is a vitamin that helps to alleviate various skin discomforts; such as brown spots, blemishes, or even signs of ageing. Less renowned than retinol or vitamin C, niacinamide is nevertheless a multifunctional active ingredient brimming with benefits for the skin. Find below everything you need to know about it as a cosmetic ingredient.

Niacinamide – or vitamin B3 – is essential to the proper functioning of the body. This molecule is multifunctional. In particular, it helps prevent the signs of aging, such as wrinkles and pigment spots. It also helps regulate sebum production in oily skin and reduce imperfections. Typically, well tolerated by all skin types, there might be contraindications and  precautions to take when using a niacinamide skincare product.

Niacinamide is a derivative of vitamin B3 used in certain cosmetic products to reduce blemishes, redness, wrinkles, and even pigmentation spots. When should I start using this active ingredient? At what time of day? How frequently?

Niacinamide is known by several names: vitamin B3, nicotinamide or vitamin PP. Essential to the body, it is involved in the functioning of the nervous system and in the breakdown of glucose. Niacinamide has antioxidant, soothing and sebum-regulating properties; it is therefore used in skin and hair care products.

Niacinamide is a derivative of Vitamin B3, which also exists in two other chemical forms: niacin and nicotinamide riboside. It is essential for the proper functioning of the body. As an active ingredient, niacinamide is suitable for both mature skin to reduce signs of ageing, and for young and oily skin (+) to regulate sebum and limit imperfections. In this article, you will find some opinions on this multifunctional ingredient.

Niacinamide, a water-soluble form of vitamin B3, is incorporated into skincare products, particularly due to its antioxidant properties. It is found in various galenic forms: cream, serum, or even toner. When applied to hair, it effectively combats oily dandruff and purifies the scalp. Discover the types of products that can contain this multifunctional active ingredient.

Thanks to its anti-inflammatory properties, niacinamide is a prime active ingredient for improving the overall appearance of blemish-prone skin. Its antioxidant power also helps to combat photoaging and the emergence of signs of ageing. At Typology, niacinamide is present in several products such as the unifying serum and the purifying toner. How can one incorporate niacinamide into their skincare routine to reap its benefits? We provide all the information on this topic.

Often touted as a biomimetic active ingredient, squalane is particularly beneficial for reinforcing the skin barrier and caring for dry skin. However, its compatibility with oily or acne-prone skin raises a question: does squalane increase the risk of blemishes in these skin types? Read on to find out whether squalane is comedogenic.

Salicylic acid is an organic compound that is particularly effective in reducing blemishes and limiting the proliferation of bacteria on the skin's surface. It also exerts a keratolytic action and stimulates cellular renewal. The pores are tightened and the complexion is brightened. However, it is sometimes subject to controversy, even though its safety has been proven at the incorporation concentration to which it is limited by European regulations. Here are five misconceptions about it.