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For years, your skin may have felt fairly cooperative. You used the same cleanser, the same sunscreen, and the same products you had relied on for as long as you could remember. Then something shifted. Suddenly, your skin started reacting to things it never reacted to before. Products that once felt comfortable now cause stinging. Environments that never bothered you now leave your face red, itchy, tight, or irritated. This sudden change can feel unsettling, especially when y