3,5% Glycolic Acid has a peeling effect, which helps remove the outermost layer of dead cells. It also stimulates cell renewal lending the skin a fresher, brighter and smoother appearance;
La Roche Posay Thermal Water, with antioxidant and prebiotic properties, helps rebalance the microbiome and reduce irritation, soothing the skin;
0,45% LHA has a micro-exfoliant action that renews the skin surface and removes dead cells helping reduce pore size;
2% Niacinamide increases ceramide synthesis and has anti-inflammatory properties. This leads to better skin hydration and healthier skin barrier helping limit bacterial proliferation and also reduce the discomfort and irritation of acne-prone skin;
1,5% Salicylic Acid has anti-inflammatory properties and also a keratolytic action. It has the ability to penetrate the pores and exfoliate the skin. It stimulates cell renewal, helping regulate sebum, eliminate impurities and also reduce black and whiteheads lending the skin an even and smoother appearance.

Apply La Roche-Posay Effaclar Ultra Concentrated Serum in the evening onto previously clean and dry skin. Avoid the eye contour area. Keep in mind that when applying a product with exfoliating acids it is also important to apply sunscreen during the day to protect the skin from solar radiation.