The first time you apply retinol, it’s like pressing a reset button on your skin’s memory. That initial sting, the slight tightness, the promise of transformation—it’s both exhilarating and intimidating. You’ve heard the whispers: *”Start slow,”* *”Don’t overdo it,”* *”Your skin will thank you.”* But what does that *really* mean? How often to use retinol […]