Idun Minerals Norrsken # 226 Yrsa 1oz Foundation Foundations typically come in various shades to match different skin tones. The number 226 in the product name might refer to the specific shade or color code assigned by the brand. Yrsa could be the name given to that particular shade. Coverage: Foundations can offer different levels of coverage, ranging from sheer to full. Sheer foundations provide a more natural look, while full-coverage foundations are designed to conceal imperfections.Finish: Foundations can have various finishes, such as matte, dewy, or satin. Matte finishes are often more oil-absorbing and give a velvety appearance, while dewy finishes provide a radiant, luminous look.Formula: Foundations can be liquid, cream, powder, or stick formulations. Liquid foundations are popular for their versatility and ease of application.Ingredients: High-quality foundations often contain skincare ingredients, such as antioxidants or SPF, to nourish and protect the skin.Longevity: Many foundations claim to be long-wearing, providing coverage throughout the day without the need for frequent touch-ups.