The basics A moisturizing and soothing treatment for skin that has been weakened, dried and/or irritated by dermatological treatments. The benefits Sebium Hydra can be used under makeup. The uses Apply Sébium Hydra on your skin after cleansing. Bioderma Sebium Hydra is ideal for acne prone skin.  The bottom line Intensive, soothing, rehydrating and compensatory care for oily skin that is temporarily dried out or irritated.