Why Your Salon Blowout Dies in 48 Hours (And How to Make It Last All Week)
You walk out of the salon looking like a shampoo commercial, and two days later your hair is back to doing its own thing. It's not bad luck — there's actual science behind why that blowout fades so fast. Here's what's really going on, and exactly how to stretch that sleek, bouncy finish way past your next appointment.