The BareMinerals Matte SPF 15 Foundation Golden Tan 20 6g, (6g) is a mineral-based foundation that offers a matte finish with sun protection. It is designed to provide buildable coverage for a natural look while controlling oil and shine throughout the day. Here are some key details:

1. Finish and Coverage: The foundation delivers a matte finish, which is ideal for those with oily skin or anyone looking for a shine-free look. It provides buildable coverage, allowing you to customize how much coverage you need from light to medium.

2. Sun Protection: It includes SPF 15, providing basic protection from the sun's harmful UV rays, which is especially helpful for daily wear to protect your skin from premature aging and sun damage.

3. Shade and Undertone: "Golden Tan W30" is a medium to tan shade with warm golden undertones. It is suitable for individuals with tan skin that has yellow or golden tones.

4. Mineral Formula: BareMinerals is known for using clean, mineral-based ingredients. This formula is free from harsh chemicals, parabens, and fragrances, making it suitable for sensitive skin types.

5. Long-Wearing: The matte formula helps absorb excess oil, which makes it long-lasting and suitable for all-day wear without the need for touch-ups.

6. Size: The foundation comes in a 6g container, which is compact and ideal for travel or carrying in your makeup bag.