It is designed as a blurring, mattifying, sweat-proof, and waterproof primer that is clinically shown to stay oil-resistant for up to 12 hours.

The product includes Bamboo Marrow Powder (to absorb excess sweat/oil) and Horsetail & Sage Extracts (to minimize the look of pores).

The product is sold at Sephora, TikTok Shop, and on the ONE/SIZE website.

The video highlights "besties" sharing their skin concerns and how this primer helps them, focusing on managing sweat and oil.

This primer is part of the "Secure the Sweat" line designed for long-lasting makeup wear in, as the name implies, challenging conditions. Secure The Sweat Primer | ONE/SIZE by Patrick Starrr

It targets varied skin types—from oily to dry and textured—seeking a flawless makeup base.