The dermatological notebook

The benefits of collagen
What is collagen? Collagen is the most abundant protein in the human body, accounting for around 30% of total proteins. It plays an essential role in...
The benefits of collagen
What is collagen? Collagen is the most abundant protein in the human body, accounting for around 30% of total proteins. It plays an essential role in...

How to treat granular skin
What is granular skin and what causes it? Grainy skin is characterized by an irregular texture, an accumulation of dead cells and sometimes the presence of...
How to treat granular skin
What is granular skin and what causes it? Grainy skin is characterized by an irregular texture, an accumulation of dead cells and sometimes the presence of...

What products should not be mixed with retinol?
Retinol is a vitamin A derivative widely used in cosmetics for its anti-ageing effects and its action on cell renewal. It stimulates collagen production,...
What products should not be mixed with retinol?
Retinol is a vitamin A derivative widely used in cosmetics for its anti-ageing effects and its action on cell renewal. It stimulates collagen production,...

Polyglutamic acid
Polyglutamic acid (PGA) is a rising star in skincare. This miracle ingredient, often compared to hyaluronic acid, offers exceptional moisturizing properties, as well as...
Polyglutamic acid
Polyglutamic acid (PGA) is a rising star in skincare. This miracle ingredient, often compared to hyaluronic acid, offers exceptional moisturizing properties, as well as...

How to moisturize very dry facial skin?
Very dry skin is a common problem that can cause discomfort and lack of confidence. Feelings of tightness, flaking or redness are all signs of dry skin...
How to moisturize very dry facial skin?
Very dry skin is a common problem that can cause discomfort and lack of confidence. Feelings of tightness, flaking or redness are all signs of dry skin...

What not to use with niacinamide
Niacinamide, also known as vitamin B3, is a versatile skincare ingredient much appreciated in the world of cosmetics. It is renowned for its...
What not to use with niacinamide
Niacinamide, also known as vitamin B3, is a versatile skincare ingredient much appreciated in the world of cosmetics. It is renowned for its...