💫 What It Is
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Two shades in one compact — typically complementary colours that can be used together to create subtle or more dramatic eye looks.LOOKFANTASTIC
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Mineral‑rich baked formula — lightweight, silky, and pearlescent, crafted with MAC’s mineral technology for radiant finishes.LOOKFANTASTIC
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Frost or shimmer finish — most duos offer a frosted/pearl look that adds dimension and sparkle to the lids.LOOKFANTASTIC
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Suitable for wet or dry application — dry gives a softer colour; dampening the brush before application produces richer, more metallic payoff.LOOKFANTASTIC
🌈 Shades & Variety
Over the years MAC has released many duo versions — some limited edition — such as Polar Opposite (silver + purply tones), Sea & Sky (blue duos), This & That, Mix & Switch, Joy & Laughter, Love Connection, and others. Each palette pairs two complementary hues that can be used alone or blended.beautyanonymous.blogspot.com+1
🖌️ Application Tips
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Use a primer first to improve staying power and reduce fallout.beautyanonymous.blogspot.com
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Apply the lighter colour on the lid and inner corner to brighten, and the darker shade in the crease or outer corner for dimension.
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Wet the brush slightly for more intense, metallic colour — great for evening looks.LOOKFANTASTIC
📌 Notes from Users & Reviews
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The texture is generally soft and smooth with a pearly finish.beautyanonymous.blogspot.com
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Some shade combinations can be sheer or have slight fallout, especially without primer.beautyanonymous.blogspot.com
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Many shades are limited edition; availability varies by collection and region.
Would you like specific popular shades (and what they look like/which eye tones they suit)? I can list those too!