MAC Altered State is a moderately warm-toned, dark plum with a pearl finish. It is a limited edition eyeshadow that retails for $17.00 and contains 0.05 oz.
MAC Altered State Eyeshadow ($21.00 for 0.10 oz.) is described as a "deep frosted blue purple" with a Veluxe Pearl finish. It's a darkened purple with subtle burgundy-brown undertones and a dusting of micro-shimmer. OCC Overlook is lighter, redder. Buxom Schnauzer is slightly lighter and a cream product. Tarina Tarantino Fantastical #5 is richer, darker.
FURTHER READING: Formula Overview, which is a detailed review of the range as a whole.
M·A·C Eyeshadow is a highly pigmented powder formula that applies evenly and blends well. Suitable for use either wet or dry, it's available in a wide variety of textures and finishes.