Recently, three new products from Dr. Barbara Sturm: Night Serum, Scalp Serum and Clarifying Spot Treatment, available in two versions: colorless and toned (three shades). We will tell you about each remedy from the German star cosmetologist in more detail. Night Serum When you sleep, your skin regenerates naturally, producing more collagen and growth hormone and less of the stress hormone cortisol that damages your skin. That is why sleep is one of the key aspects of a healthy lifestyle and the fight against microinflammation.…