Line Name-BLUE RETINOL. BIOTHERM BLUE RETINOL serum 30 mlSkin: Normal, Green beauty: Vegan, Trends: Retinol, Trends: Skinimalism, Ingredients: Retinol, Age: Between 18 and 25, Age: Between 36 and 50, Age: Between 26 and 35, Skin: Oily, Age: Over 50, Age: Under 18 . Size: 30 ml