Non tutte le vitamine C sono uguali: forma, stabilità e packaging contano quanto la percentuale in etichetta. Come orientarsi davvero.
Ingredients and Formulations
Retinol, hyaluronic acid, niacinamide, collagen: what the active ingredients listed on labels actually do, at what concentrations, and how long it takes for them to work. We also explain how to read an INCI list and how European cosmetics regulations are changing. When the scientific evidence is weak, we point it out—instead of pretending it isn’t.
Collagene nei cosmetici: si può davvero stimolarlo con una crema?
La molecola di collagene è troppo grande per raggiungere il derma. Ecco cosa fa davvero un cosmetico al collagene, e perché non è comunque tempo perso.
Anti-Aging Skincare and Rare Botanicals: Linfa Cosmetics’ Innovative Facial Care Line
In the Linfa Cosmetics Skincare Line, research goes beyond simple hydration to focus on rare phytocomplexes and advanced biotechnological technologies.
Body Care and Cosmetic Upcycling: Precious Active Ingredients for Smooth Skin
Botanical upcycling and historical phytotherapy: the formulation secrets behind Linfa Cosmetics’ most beloved body treatments.
Caffeine in Cosmetics: How It Can Help with Dark Circles and Cellulite
Caffeine works on puffiness around the eyes, but only for a few hours. The evidence regarding cellulite is much weaker. What to really expect—without any promises.
Hyaluronic Acid: How It Works and Why It Sometimes Dries Out the Skin
Hyaluronic acid doesn't moisturize—it retains water. This distinction explains why it sometimes works very well and other times leaves the skin drier than before.
Niacinamide: What It Actually Does and at What Concentration
Niacinamide is one of the active ingredients with the strongest scientific evidence in cosmetics, but the concentration that works best isn’t the highest one—it’s the one between 4 and 5%.
Retinol: How to Use It Without Irritating Your Skin
Start with two non-consecutive evenings per week and increase the frequency only after two weeks with no adverse reactions. The 60-day schedule based on a tolerance study involving 218 women, the EU limit of 0.3%, and what to actually pair it with.