Opi perfection dip powder 1.5oz, The OPI GelColor and Powder Perfection systems both offer long-lasting, durable wear and shine. Choose from 140+ iconic OPI shades with GelColor, for up to 3+ weeks of wear. Powder Perfection is also available in a variety of iconic OPI shades and is great for clients who want gel-like shine plus the durability of acrylics, without the need to light cure.