Special equipment: a spray bottle; a mandolin
Put the vegetable oil, 1/4 cup water, the mayonnaise, rice vinegar, soy sauce, honey, sesame oil, ginger, garlic and chili sauce in a blender. Blend on medium-high until well combined. Pour the dressing into a spray bottle.
Julienne the cucumbers with a mandolin. Toss the baby greens, cucumber, cilantro and sesame seeds in a bowl. Season with 1/2 teaspoon salt and some pepper. Divide the salad among 4 serving plates, spray with dressing and serve. Extra dressing can be refrigerated for 2 days.