You're talking about Appeal Cosmetics Hydrating Eyeshadow Primer! This primer is gaining popularity for its ability to not only make eyeshadow last longer but also keep the delicate eyelid skin hydrated.

Here's what makes it stand out:

• Hydrating Formula: Unlike some primers that can be drying, this one is infused with moisturizing ingredients to keep your eyelids feeling comfortable and prevent creasing.
• Long-Wearing: It creates a smooth base that helps your eyeshadow stay in place all day long, preventing fading and smudging.
• Enhances Vibrancy: It helps your eyeshadow colors appear more vibrant and true-to-tone.
• Lightweight Texture: It has a lightweight, non-greasy texture that applies easily and doesn't feel heavy on the lids.
• Cruelty-Free: Appeal Cosmetics is a cruelty-free brand.