If under-eye creasing occurs within an hour or two of applying makeup, it's likely due to dehydration. Unless you try this new gel-to-cream concealer that people say fixes under-eye creasing all day. Concealer HybridMILK MAKEUP'S CONCEALER Pic: SuppliedThe new concealer comes from the very cool American brand, Milk Makeup, known for its Hydro Grip products. That formula is now in this clever concealer, along with the necessary hydration you need to prevent under-eye creasing. This action helps stop under-eye creasing, and there is one other benefit.