What Serum to Use When Skin Feels Fragile: A Science-Based Guide to Repair and Restore Quick answer When deciding what serum to use when skin feels fragile, start with whether you need a serum at all. Pause products that sting and prioritize a familiar, fragrance-free moisturizer. If your skin tolerates an optional serum, choose a … Continue reading What Serum to Use When Skin Feels Fragile: A Science-Based Guide to Repair and Restore