KOSAS Wet Lip Oil Plumping Peptide Lip Treatment Gloss

What it is: A peptide lip treatment, lip oil, and gloss in one that visibly plumps and hydrates, all while providing a juicy slick of color.

Highlighted Ingredients:

- Hyaluronic Acid: Attracts water and locks in hydration.

- Peptides: Visibly plump.

- Evening Primrose Oil: Protects.

Ingredient Callouts: Free of sulfates SLS and SLES and parabens. This product is also vegan and cruelty-free.

What Else You Need to Know: Nourishing ingredients including hyaluronic acid, peptides, and evening primrose oil are clinically shown to visibly plump, hydrate, smooth, and firm—rapidly and over time. The non-sticky, vegan formula has a soft comfortable feel and high shine, vinyl look that can be layered for more color payoff.

Clinical Results: In 4-week expert-graded study on 33 people, after 28 days of daily use:

- Participants reported 249% increase in lip plumpness

- Participants reported 199% increase in hydration

- Participants reported 282% increase in smoothness

In a consumer study of 33 people, after 4 weeks of use:

- 100% agree their lip condition is noticeably improved

- 100% agree their lips are more moisturized

- 100% agree their lips look smoother

This product is an Allure Best of Beauty award winner.