Plump + Juicy Lip Booster
Buttery Treatment
Free Shipping on US Orders $40+ & Free Returns
Full, cushiony, smooth like butter.
Clean, buttery treatment packed with rich, concentrated fatty acids + lip-boosting actives for your smoothest, fullest, most cushiony lips ever.
- Peptides
-
Visibly firms + smooths
- Plump Oleoactif
-
Visibly strengthens + plumps
- Hyaluronic Acid
-
Hydrates
- Concentrated Fatty Acids
-
Soothes + softens
-
Wear this buttery treatment at night and/or when getting ready for your smoothest, fullest, most cushiony lips. If layering with lip color, blot excess before applying.
We do not use any plumping irritants so the product is clean, comfy and sting-free.
We recommend waiting until Lip Booster is fully absorbed and blotting excess before applying lip color.
Not at all! It has a smooth, buttery texture with natural emollients that’s never sticky or greasy.
Yes!
Absolutely! This treatment is packed with rich, concentrated fatty acids to smooth, soften and hydrate for the ultimate lip care. In a clinical study, 94% of consumers said this product soothed my chapped, dry, flaky lips after overnight use.
Powerhouse treatment softens, smoothes + hydrates
The ultimate lip care to instantly replenish lips and promote moisture retention while visibly reducing the look of lines and wrinkles. Soothes dry, flaky lips.
7x more lip-boosting actives*
Hyaluronic acid, peptides, and plumping botanicals help visibly strengthen, redensify, and contour–leaving lips in the best shape ever. The plumper, the better.
*when compared to Kosas Wet Oil Lip Gloss
Super clean + comfy
Smooth, buttery texture with natural emollients that’s never sticky or waxy.
Kosas Clean
Vegan. Cruelty-free. Free of petroleum derivatives and plumping irritants.
Check out our Kosas Clean page for the full list.
