Beings from Cos De BAHA The skin care product Azelaic Acid Hinokitiol Clear Skin is perfect. It works very well on pimples, spots, and uneven skin tone. The benefits of Azelaic Acid and Hinokitiol are combined in this new mixture. Azelaic acid clears up pimples and makes skin look better. Researchers know that the natural ingredient Hinokitiol can kill germs and reduce inflammation.