SPRSLTNS ZLC CD 10% SRM 1FLOZ. Benefits: This fast-absorbing serum helps to immediately soothe skin and visibly reduce the appearance of persistent, extreme redness with 10% azelaic acid. This non-pilling serum avoids the feeling of tackiness and the microfine green color masks the look of redness, making it suitable for all skin tones. It is safe for rosacea-prone skin. Key Ingredients: Azelaic Acid 10%: Helps to visibly reduce the appearance of redness and soothes the skin.. Allantoin 0.3%: Soothes and reduces discomfort to the skin.. Research Results: In an independent clinical study of 22 people:. Clinically proven to minimize redness in 4 days. In a 4 day independent clinical study (under dermatological control) of 22 people with Rosacea-prone skin:. Redness Relief Solution demonstrated good skin compatibility for Rosacea-prone skin. In a 4 week independent consumer trial of 22 people under dermatological control:. 91% agree skin was instantly soothed.