ONE/SIZE by Patrick Starrr ONE/SIZE by Patrick Starrr Secure The Sweat Waterproof Mattifying Primer

What it is: A sweat-proof, waterproof, aluminum-free primer that absorbs excess sweat and oil to visibly tighten pores, mattify skin, and prolong makeup wear.

Skin Type: Normal, Oily, Combination

Concerns: Oil, Pores, Uneven Skin Tone

Highlighted Ingredients:
- Bamboo Marrow Powder: Absorbs excess sweat and oil.
- Horsetail and Sage Extracts: Absorb excess sweat and tighten the look of pores.
- Squalane: Prevents dry skin.

Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also vegan, gluten-free, and cruelty-free.

What Else You Need to Know: Made with botanical ingredients and shown to outperform aluminum-based formulas, this primer provides up to 12 hours of oil resistance, visible shine control, and mattifying power while minimizing the look of pores. Apply before foundation or wear alone to combat sweat and oil on a bare face.

Clinical Results: In a clinical study:
- 94% agreed they no longer sweated off makeup
- 94% agreed the primer had a long-lasting matte finish
- 94% agreed makeup stayed locked in place