Wonderskin's Lip Liner Pencil is designed to provide a long-lasting lip contour that stays put throughout the day. Users appreciate its waterproof and transfer-proof properties, making it a practical choice for busy lifestyles. However, while the nude shade is versatile, some users report that the pencil can feel drying on the lips, affecting comfort during wear.

Additionally, the sharpening feature, although precise, can be cumbersome for those unaccustomed to traditional lip liners. Compared to other products in the market, such as the MAC Lip Pencil or Charlotte Tilbury's Lip Cheat, the Wonderskin option holds its ground in terms of longevity but may fall short in texture and ease of application. Overall, it caters well to those prioritising durability and colour but may require a bit of practice for optimal use.