The Kosas Wet Lip Oil Plumping Peptide Lip Treatment Gloss in Unbuttoned delivers a cushiony, oil-rich texture that smooths and visibly plumps lips while imparting sheer, dewy shine. Ideal for those with dry or aging lips seeking lightweight hydration and subtle color. Fragrance-free and vegan, it layers well under or over lipstick for everyday wear.
Ingredient Safety
No risk1
Low risk23
Moderate risk3