Bioelements Oil Control Sleepwear works while you sleep to control oil as it smoothes the appearance of lines and wrinkles. With Sleepwear's trusted "dream team" formula of calcium, retinol, peptides and vitamin E, oil-rich skin awakens energized, with needed hydration. Collagen and elastin rewarded. Firmness reclaimed. Skin is more youthful, more rested and ready to face the day.