Water-Based Serum Routine for Combination Skin (Dermatologist-Guided, USA) Combination skin is one of the most misunderstood skin types—and one of the most commonly mistreated. If your T-zone feels oily, your cheeks feel tight or dry, and your skin reacts unpredictably to “hydrating” products, the problem is usually not lack of moisture. It’s routine imbalance—specifically, using the wrong type of … Continue reading Water-Based Serum Routine for Combination Skin (Dermatologist-Guided, USA)