
Glycolic acid is renowned for its ability to exfoliate the skin, while niacinamide soothes irritation and strengthens the barrier function. These two very different actives are frequently found in skincare routines. But can they be used together? And if so, does their combination offer additional benefits to the skin? Learn more in this article on the glycolic acid/niacinamide combination.

Dry skin is typically harmless and only causes temporary discomfort until it can be rehydrated with a moisturising product (cream, balm), which contains emollient-type ingredients that soothe, hydrate and repair the skin, such as niacinamide. Indeed, moisturisers containing this ingredient are known for their effectiveness in alleviating dry skin conditions. Let's examine here the potential benefits that make this active ingredient a solution for improving dry skin.

When we hear "oily skin", we think of "blemishes", "enlarged pores", "shiny appearance" or "oily zones". These are not very flattering characteristics, which give this skin type an impression of dirtiness and a bad reputation. This shine is largely due to the layer of sebum that covers the skin's surface. However, a number of substances claim to have the ability to reduce the amount of sebum, such as niacinamide. It could be a good option for those with oily skin. But what does the dermatological literature say?

First studied for its skin benefits in the 1970s, niacinamide has become an indispensable ingredient in skincare and can be found in a wide range of formulations. From soothing the skin, improving hydration, supporting the skin barrier, fading brown spots, reducing pore size, to preventing signs of skin ageing, it is considered a solution for many of the most common skin problems. But how long should one wait before seeing a difference?
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