Laneige skin veil base no.20 rosy pink spf23 is a makeup base or primer offered by laneige, as a makeup base, it is designed to be applied before foundation or bb cream to create a smooth and even canvas for makeup application. The "No.20 rosy pink" shade suggests that it has a rosy or pinkish tint to help brighten and correct the skin tone. Here are some key features and functions of laneige skin veil base no.20 rosy pink spf23: Brightening: the rosy pink tint of this base is intended to add a subtle brightness to the complexion, helping to reduce the appearance of dullness and fatigue. Smoothing: the primer is formulated to smooth out the skin's texture and minimize the appearance of pores and fine lines, creating a more even surface for foundation or bb cream application. Sun protection: the product contains spf23, which provides a certain level of sun protection. However, it's always essential to apply a dedicated sunscreen with higher spf for adequate sun protection. Makeup longevity: by providing a smooth base, the primer helps your makeup stay in place for longer, reducing the likelihood of creasing or fading throughout the day.