The RMS Beauty Un Cover Up Concealer in the shade 33.5 (N33.5) receives high praise from Adriana in their video review. They emphasize its lightness and ability to brighten the skin, showcasing the noticeable difference it makes. Adriana also mentions that the concealer is self-adjusting, making it suitable for those in between shades. They personally use it under their eyes and on little red spots, even covering a scar from a dermal piercing. Overall, Adriana rates the product a perfect 10 out of 10. The RMS Beauty Un Cover Up Concealer seems to be a highly effective and versatile product, providing excellent coverage and brightening properties.