Tested on animals:Yes
This water-based eye gel contains little that’s helpful for your skin, but it does supply a large amount of alcohol! Alcohol, especially in this amount, causes dryness, irritation, and free-radical damage that hurts your skin’s ability to heal and limits its ability to produce healthy collagen, so don’t count on reducing puffiness or eliminating dark circles.
As usual with Kiehl’s skin-care products, the “star” ingredients called out on the label are present in the tiniest amounts imaginable, which means they won’t help your skin in any significant way. Moreover, there isn’t any reliable research proving vitamins, caffeine, or cucumber help your eye area look more alert, and even if they were able to do that, they aren’t unique to this product.
One more comment: We know it’s hard to believe, but most eye creams aren't necessary. That's either because they are poorly formulated, contain nothing special for the eye area, or come in packaging that won't keep key ingredients stable. Just because the product is labeled as an eye cream doesn't mean it's good for your eye area; in fact, many can actually make matters worse.
There is much you can do to improve signs of aging around your eyes. Any product loaded with antioxidants, skin-repairing ingredients, skin-lightening ingredients, anti-inflammatory ingredients, and effective emollients will work wonders and those ingredients don't have to come from a product labeled as an eye cream. You would be shocked how many eye creams lack even the most basic ingredients to help skin. For example, most eye creams don't contain sunscreen. During the day that is a serious problem because it leaves the skin around your eyes vulnerable to sun damage and this absolutely will make dark circles, puffiness, and wrinkles worse! Whatever product you put around your eye area, regardless of what it is labeled, must be well formulated and appropriate for the skin type around your eyes! That may mean you need an eye cream, but you may also do just as well applying your regular facial moisturizer around your eyes.