Celebrities such as Rachel Weisz, Naomi Watts and Sienna Miller flock to Colbert???s 5th Avenue office for what has been deemed the pre-season or special event skin essential. ???It evens out skin tone and texture, but also keep pores clear, so there are fewer blackheads and breakouts over time; and the increase of collagen production keeps skin appearing supple and dewy,??? says Dr. Colbert. (30