Kosas Wet Lip Oil Plumping Treatment Gloss

What it is: A hybrid lip treatment and gloss packed with peptides 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: Hyaluronic acid, peptides, evening primrose oil, and other botanicals work to hydrate, plump, and protect the lips. The non-sticky formula slides on smooth to give you a soft, comfortable feel and slick, vinyl look. Plus, it's fully wearable day or night.

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

Clean at Sephora

Clean at Sephora is a curation of brands committed to evolving the beauty industry. When you see our Clean seal, you can be sure this brand's products are formulated without certain ingredients that are potentially harmful to human health and the environment and also address ingredients clients are concerned about, including phthalates, formaldehyde or formaldehyde releasers, oxybenzone and octinoxate, hydroquinone, triclosan, coal tar, methylisothiazolinone and methylchloroisothiazolinone, insoluble plastic microbeads, and more. For the full list, check out the Ingredients tab.