Natural light has an enormous impact on our interior spaces. It can drive up the value of our homes and alter the mood of a room. It can generate warmth on a cool day. No lightbulb can do all that.

When Hollywood’s elite—from Ariana Grande to Hailee Steinfeld to Lindsay Lohan—need a transformative makeup moment, they turn to one artist: Ash K. Holm. So it’s safe to say when it comes to all ...