Powered by azelaic acid, this booster serum targets uneven skin tone, blemishes, and visible redness with a clean, minimalist formula. Oil-free and pH-balanced to work gently without irritation — the kind of targeted active usually found at double the price. Germany's answer to The Ordinary, with over 200 positive reviews.

Apply a few drops to clean skin in the evening. Can be used alone or mixed into your moisturizer. Introduce gradually if new to azelaic acid.