I've been a professional makeup artist for over 30 years. I'm 63. And after working with thousands of women in their 50s, 60s and 70s, I can tell you with complete certainty: there's one mistake I see almost every single woman make that adds five years to her face overnight.

It isn't the wrong foundation shade. It isn't the wrong lipstick. It isn't even drawn-on brows.

It's matte everything.

Open most of my clients' makeup bags and you'll find the same thing: a matte foundation, a setting powder, a matte lipstick, a matte blush. Nothing reflects light. Nothing catches the eye in motion. And on a mature face, that combination doesn't just look flat — it accentuates every single line we have.

Once you understand why, you'll never look at your makeup bag the same way.

WHY MATTE MAKES US LOOK OLDER

Here's what nobody tells us. As we age, our skin loses its natural luminosity. The slight glow we had at 30 — caused by hydrated skin reflecting light — fades by 60. So when we then layer matte products on top of an already-matte face, we're stripping out the last bit of dimension our skin had left.

Light is what makes a face look alive. Without it, even beautifully applied makeup reads as flat, tired, and older than we actually are.

I learned this the hard way at 54. I'd built a kit full of long-wear, matte, setting-powder-everything products because I thought powder was professional and shine was for teenagers. Then I saw a photo of myself at my niece's wedding and barely recognized the woman in it. She looked exhausted. Drained. Older than my mother had at the same age.

That weekend, I rebuilt my whole makeup approach. Within a month, friends were asking what I'd had done.

THE 30-SECOND FIX

I'm going to share the exact change I made, and the exact change I make on every client over 50 who sits in my chair.

Step 1: Stop powdering your whole face. That five-second dust of translucent powder you've been doing since 1985 is killing your finish. If you must set anything, set only the T-zone — forehead, nose, chin — and leave your cheeks, temples, and under-eye area alone. That's where light needs to bounce.

Step 2: Add one luminous product. Just one. The simplest is a liquid highlighter (NARS Copacabana at around $35 is my forever favorite, but e.l.f. Halo Glow at $14 also works beautifully). Tap a small dot on the very tops of the cheekbones, the inner corners of the eyes, and just above the cupid's bow.

That's the whole thing. Three dots, blended with a fingertip, takes 30 seconds.

The difference is the difference between a photo with the lights off and a photo with the lights on.

WHAT TO REPLACE IN YOUR MAKEUP BAG

If you want to take it further, swap your matte foundation for a satin or "luminous" finish. Most major brands now make one — Armani Luminous Silk has been the gold standard for 20 years for a reason. Replace your matte lipstick with a satin formula or a sheer balm-stain. Matte lips on a mature face age the lower half of the face the same way matte powder ages the upper half. And consider switching from powder blush to a cream blush. Cream melts into the skin instead of sitting on top of it, which means it moves with your face rather than cracking along your smile lines.

You don't have to throw anything out. Just stop reaching for the matte versions first.

THE HONEST PART

I'll be honest with you. This won't make you look 25. That isn't what we're after, and frankly, makeup that tries to do that always ends up looking worse than makeup that doesn't.

What strategic luminosity will do is this: it'll make your skin look hydrated even when it isn't. It'll make your eyes look more rested. It'll catch the natural light in a way that softens fine lines instead of highlighting them. And it'll do all of this without anyone being able to point to what's different. They'll just think you slept well.

In 30 years behind the chair, I've never seen a single technique change a mature face faster.

LET'S HAVE A CONVERSATION

Have you been guilty of the matte-everything trap? What's in your current makeup bag — mostly matte, mostly luminous, or somewhere in between? I'd love to hear about it in the comments below.