the Biodance collagen mask recommends at least three to four hours of wear, or better yet, overnight. As instructed, I cleansed my face in the plane toilet and set about placing the two pieces.

For those who prefer a more traditional sheet mask to a hydrogel mask, this biodegradable vegan collagen mask delivers a fast ...

The key ingredient? An overnight collagen mask. More from The Hollywood Reporter The 40+ Best Premium Beauty Deals at Amazon's Big Spring Sale on Expert-Loved Skin Care, Makeup, Hair Tools and ...