Makeup primer: do you need one?
Primer is the most over-sold step in makeup — and occasionally the most useful. It's not a magic base everyone needs; it's a targeted fix for specific problems: makeup sliding off, pores showing through, a finish that won't last. Here's what primer actually does, the type for your skin, and the honest cases where your moisturiser already has it covered.
The checklist
Get the look
What primer actually does
A primer creates a smooth, grippy layer between skincare and makeup. Depending on the formula it can blur pores and texture, control oil, add slip so foundation glides, or extend wear so your base survives the day.
What it is not: a step everyone needs. If your makeup already lasts and sits well, a good moisturiser (let it absorb first) is the only "primer" you need.
Primer by problem
Pick the type by what you're actually trying to fix — using the wrong one does nothing.
- Makeup slides off / oily skin
- A mattifying, oil-controlling primer on the T-zone helps foundation grip and last.
- Visible pores / texture
- A blurring (silicone-based) primer fills and smooths, so light bounces evenly.
- Dry / dull skin
- A hydrating or radiance primer adds slip and glow; skip mattifying ones that emphasise dryness.
- Colour issues
- A colour-correcting primer (green for redness, lilac for sallowness) evens the canvas before base.
How to use primer
Less is more, and placement beats all-over. A pea-sized amount is plenty.
- 01
Skincare first
Moisturiser (and SPF) fully absorbed. Primer goes on skincare, under makeup — never instead of moisturiser.
- 02
Target the zones
Press a little where you need it — T-zone for oil, cheeks/nose for pores. You rarely need it over the whole face.
- 03
Let it set
Wait 30–60 seconds so it grips before foundation. Applying base too fast pills the primer.
- 04
Match the formulas
Silicone primer + water-based foundation can pill. If it does, they clash — match water-with-water or silicone-with-silicone.
What the right primer does
Three jobs, three finishes — matched to the problem you actually have.
Pro tips for using primer
The details that make primer earn its place.
- A pea-sized amount, pressed
- Press it into the zones that need it rather than sweeping a full layer over the whole face — most people over-apply.
- Wait 30–60 seconds
- Let it set and grip before foundation. Applying base too fast is what makes primer pill.
- Match the bases
- Silicone primer + water-based foundation can ball up. Pair water-with-water or silicone-with-silicone.
- Target, don't blanket
- Mattifying on the T-zone, blurring on the pores, hydrating on dry cheeks — you can even use two on different zones.
Primer myths, busted
The rumours that sell primer to people who don't need it.
- "Everyone needs a primer."
- It's a targeted fix for a specific problem (slip, pores, wear). If your makeup already sits and lasts well, your moisturiser is enough.
- "Primer replaces moisturiser."
- It goes on top of fully-absorbed skincare, never instead of it. Skip moisturiser and skin will look and wear worse.
- "More primer = longer wear."
- A thick layer pills and slides. A thin, well-placed amount grips better than a heavy one.
- "One primer suits every skin."
- A mattifying primer emphasises dryness; a dewy one can slide on oily skin. Match the type to your skin and concern.
“Well begun is half done.”
Prep helps — colour is what flatters
Primer makes a base last, but it can't make the wrong shade suit you. The step that changes how "done" you look is matching your foundation and the rest of your face to your undertone and season.
siOsi reads your colouring from one selfie, free — so once your base grips, the shades on top actually flatter.
Watch it done
A few of our favourite video walk-throughs for this look, from makeup artists on YouTube.
How to apply primer — dos and don'ts
Christen Dominique
The best way to use a primer
Robert Welsh
How to apply primer
IPSY
Answered
Do you really need a makeup primer?
Not always. Primer is a targeted fix for specific problems — makeup sliding off, visible pores, or short wear. If your makeup already lasts and sits well, a moisturiser (fully absorbed) is enough. Use a primer when you have a problem it actually solves.
How do you use makeup primer?
Apply it after skincare and before foundation: press a pea-sized amount onto the zones that need it (T-zone for oil, cheeks and nose for pores), wait 30–60 seconds for it to grip, then apply your base. You rarely need it over the whole face.
What primer is best for my skin?
Match it to the problem: a mattifying primer for oily skin and slipping makeup, a blurring silicone-based primer for visible pores and texture, a hydrating or radiance primer for dry or dull skin, and a colour-correcting primer for redness or sallowness.
Does primer go on before or after moisturiser?
After. Primer sits on top of fully-absorbed skincare (moisturiser and SPF) and under your makeup. It never replaces moisturiser. If foundation pills over your primer, the two formulas likely clash — match water-based with water-based or silicone with silicone.
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