City lips advanced formula The whitening gel is 12 percent hydrogen peroxide that readily cleans the surface stains and it has a minty lingering flavor which freshens the breath. Sensitivity is minimum. The other end has a Lips Enhacer gloss which is undertone and this makes your teeth look whiter. The lip gloss had an ingredient in it which smoothens your lips and gives it a fuller look. The chic flick pen can be used anywhere, even in places which are dimly light or have no light.
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