Mayonnaise Hair Mask | Does This Work? Mayonnaise hair mask? Yep! While looking for a DIY beauty treatment to try, I came across the mayonnaise hair mask, which many people seem to swear by. In this video I’m going to try it out for you and let you know whether it’s any good. Enjoy! Related PostsDIY Deep Conditioning Hair MaskDIY Tote Bag – Beginner’s Sewing TutorialDIY Green Tea Face Mask Care to share?