Sleeping on a Mulberry Park Silk pillowcase will help: 1. Tames frizz, tangles, and hair breakage (great for lash lift) 2. Helps prevent sleep creases/wrinkle formation 3. Naturally hypoallergenic and resistant to mold and mites 4. Keeps hair and skin hydrated 5. Non irritating to sensitive skin 6. Temperature regulating to keep them comfortable