You found your shade. You bought the bottle. And somehow it still doesn't look right.

That's because checking which foundation suits your skin is about more than shade. A foundation has to get three things right at the same time: your depth, your undertone and your skin type. Miss one and it shows. Here's how to check all three before you spend another cent.

What makes a foundation "suit" your skin?

• Shade: how light or deep it is.
• Undertone: the colour underneath, warm, cool, neutral or olive.
• Formula: how it behaves on your skin type through the day.

Most people stop at shade. That's why the bathroom mirror says yes and the 3pm car mirror says absolutely not.

How to test a foundation shade properly

1. Swatch three shades on your jawline. Not your hand, not your wrist. Your face is a different colour.
2. Let them sit for 10 minutes. Foundation settles as it dries.
3. Check in natural daylight. Near a window, no ring light, no store lighting.
4. Pick the one that disappears. If you can still see a stripe, it's not your match.

If it looks gray or ashy, the undertone is off. I break that down in Why Does My Foundation Look Gray? How to Find Your Undertone.

How to choose a foundation for your skin type

The right shade in the wrong formula still fails. A quick guide:

• Dry skin: cream, balm or hydrating liquid formulas with a soft, dewy finish. Very matte formulas tend to cling to dry patches and crack. (More on that in How to Stop Makeup From Cracking on Your Chin.)
• Oily skin: satin or natural-matte finishes that control shine without looking flat.
• Combination skin: a satin finish, with powder only where you get shiny.
• Mature skin: lightweight, flexible formulas. Less product, pressed in, settles less into lines.

Coverage is personal, but here's my rule: choose the lightest coverage that still evens you out. You can always spot conceal.

The wear test most people skip

A foundation can look perfect at 8am and be a different shade by lunch. That's oxidation. Before you commit, wear it for a full day and check it at four to six hours. If it's turned darker or more orange, it's not your foundation. 

Sample before you buy

If a brand offers samples, take them. Wear each one on a normal day, not just for five minutes in the store. A sample costs you nothing. The wrong full-size bottle costs you money and another month of almost-right.

Foundation match FAQ

Should I match my foundation to my face or my neck? Your jawline, where face and neck meet. That keeps you from ending up with a mask line.

Can my foundation shade change with the seasons? Yes. Many people go slightly deeper in summer and lighter in winter. Some keep two shades and mix them in between.

Why does my foundation look different in photos? Lighting and flash. Some formulas reflect light and can look lighter or ashy in flash photos. Test in daylight and take a quick photo before you commit.

What if no foundation matches me? It's not your skin. It's the range. Mixing two shades can close the gap, and it's worth looking for brands that build shades for your undertone, not just your depth.

Let me find your perfect match

This is exactly what the Complexion Edit is for. I find your perfect match for you: your shade, your undertone and the formula that suits your skin and your day. Your complexion kit arrives already curated, and a private lesson shows you how to apply it in minutes. 

Book your Complexion Edit