One Size Oil Slicker Primer

I have been in search of all products that will work in my favor for my oily/combination skin. One of my favorite influencers highly recommend this product for oily skin so I picked it up and I gave it a try.

It claims to really keep you oil free. The recommendation is to only use this product where you have problems with sweat/oil. And I just use a different primer for the rest of my face.

I did a wear test, and I had absolutely no issues in my t-zone. And I have tried things that claimed to help with sweat. This is the only product that actually does what it says. This is definitely going to be a permanent fixture in my makeup kit. And if you have oily skin it should be in your makeup kit as well!!!

💌 Brand: One Size

💵 Price: $34

Purchased from: Sephora

#one size primer #onesize #makeup

2025/11/12 Edited to

... Read moreOkay, so let's dive a little deeper into why the One Size Oil Sucker Extreme Mattifying Alkaline Primer has become my absolute holy grail. As someone who battles a seriously oily T-zone, especially in humid weather, finding a primer that genuinely delivers on its promises feels like hitting the jackpot. I've tried countless 'mattifying' primers over the years, only to end up with a shiny forehead by lunchtime, but this one is different. My skin is typically combination, with my cheeks leaning normal to dry, but my forehead, nose, and chin are an oil-producing factory. The original recommendation to only use this product where you have oil problems is spot-on. I typically apply a tiny, pea-sized amount directly to my T-zone after my skincare routine, focusing on pressing it into the skin rather than just spreading it. The texture is unique – it feels almost like a thin, slightly powdery balm that instantly blurs pores and creates a smooth, matte canvas. It doesn't feel heavy or sticky at all, which is a big plus for me. What truly sets this primer apart, and why it's earned its 'Extreme Mattifying' claim, is its staying power. I've put this through rigorous wear tests – long workdays, outdoor events, even a sweaty gym session (just for science!). In the past, my makeup would start breaking up around my nose and forehead within a few hours. With the One Size Oil Sucker, my T-zone stays noticeably matte for 8+ hours, sometimes even longer. I still might get a slight sheen towards the end of a very long day, but it’s easily blotted away, and my makeup remains intact, not sliding around. I usually follow up with a medium-coverage, long-wear foundation, and I've found this primer works beautifully underneath both liquid and stick formulas. It doesn't pill or interfere with the application of other products. For the rest of my face, where I don't need such intense oil control, I use a hydrating or smoothing primer to ensure my skin looks balanced and not overly matte everywhere. This targeted approach is key for combination skin types like mine. Many people wonder about the 'Alkaline Primer' part. While I'm not a chemist, what I've noticed is that it seems to create a stable base that resists the breakdown of makeup due by natural skin oils and sweat. It somehow helps my foundation adhere better and stay put, almost like it's creating a barrier. This isn't just about reducing oil initially; it's about prolonging that matte effect and preventing oil from surfacing throughout the day. It’s also incredibly helpful for blurring the appearance of larger pores that often accompany oily skin, giving a much smoother finish overall. It's really transformed how long my makeup lasts, and I no longer feel the constant need to check for shine or blot excessively. If you're constantly searching for a solution to combat shine and extend the wear of your makeup, especially if you have an oily or extremely oily complexion, I genuinely believe the One Size Oil Sucker Extreme Mattifying Alkaline Primer is worth the investment. It's truly an 'Oil Sucker' in the best possible way, creating that perfect, long-lasting matte base without making your skin feel tight or dry. Trust me, your makeup bag needs this!

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