For Beloved Girl Vitamin B Cloud-Silk Mask 3pcs/box Sufficient Hydration Supplement! For dry skin. Vitamin B5 and Vitamin B6 effectively moisturize the skin, keeping it hydrated for up to 24 hours and preventing skin damages caused by dryness. With its moisture in balance, the skin is able to slow the signs of premature aging. For Beloved Girl Vitamin B Cloud-Silk Mask keeps the skin look young and healthy, revealing a soft, silky smooth, and hydrated complexion.