Old photographs fade. It’s a chemical fact, a slow surrender to time and light. Colors drift toward sepia, then collapse into monochrome. Fine details soften, hiding behind scratches, dust, and noise.

“As someone in their 50s, I must color my hair every three weeks to avoid the sparkle of gray hair,” says pro hairstylist and salon owner Wendy Burns. “I sympathize with my clients who just can’t do ...