NOTICE: All products categorized under "Glitter" contain Polyethylene Terephthalate, also known as plastic or PET glitter, and it is typically cosmetic grade glitter. Inclusion of this ingredient sometimes carries a warning (in the US) that the product is "not intended for use in the immediate eye area." This ingredient has not been approved for usage on the eyes per the FDA. In recent years, some brands are including this product in their eyeshadows without any warning or callout and effectively marketing them as eyeshadows or including a symbol of an "eye" which suggests eye usage. Via CosIng for EU, PET glitter is permitted without any restrictions or limitations. For an in-depth look at whether cosmetic grade glitter is safe, please view this post.
MAC Nutcracker Sweet Gold Pigments & Glitter Kit ($35.00 for 0.28 oz.) contains two Pigments and two Glitters. I don't think this set is worth it unless you'll use the Glitters included. MAC's Glitter formula, while it might say it can be used alone, needs an adhesive companion product to function well, and it isn't eye safe.
M·A·C Glitter can be applied directly to the skin or combined with products to create high-level glitter and sparkle effects on all areas of the face, skin and hair. Please note: Glitter is not eye safe and is not recommended for use on this area of the face.