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

Dry skin is typically harmless and only causes temporary discomfort until it can be rehydrated with a moisturizing product (cream, balm), which contains emollient-type ingredients that soothe, hydrate, and repair the skin, such as niacinamide. Indeed, moisturizers 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 characteristics, which are not very flattering, 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 tendencies. But what does the dermatological literature say?

First studied for its skin benefits in the 1970s, niacinamide has become a staple 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 aging, 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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