About this item 【DEEP HYDRATION & MOISTURIZATION】Contains over 1,680,000 ppb of collagen along with 30ODa micromolecular collagen, deeply hydrates and nourishes the skin, bringing out a youthful glow. 【CENTELLA ASIATICA & GREENTEA EXTRACTS】Enriched with centella asiatica and greentea extracts, it soothes the skin and improves its barrier function. Ideal for all skin types, especially dry and aging skin. 【COLOR-CHANGING MASK】Keep it on for at least 30–40 minutes. After 1–3 hours, the Bio-Collagen Facial Mask will become transparent and be fully absorbed into the skin. It delivers long-lasting, deep hydration even while you sleep. 【OVERNIGHT FACE MASK】As a night mask, you can use it during the night time. The micro-molecular collagen, centella asiatica and greentea extracts will continuously nourish your skin, and achieve glass skin. 【PERFECT SKINCARE GIFT】Beautifully packaged and ideal as a skincare gift or self-care treat, these Korean-inspired masks are perfect for dry, sensitive, or aging skin. 4 sheet masks×2 boxes as thoughtful and practical gift for women. Show more