Yes, it’s an old beauty myth, but the condiment mask actually works—mayonnaise is made with an oil base, and it’s proven to make locks glow. To whip up a homemade mask, follow these steps:
1. Apply a cup of mayonnaise mixed with a teaspoon of vanilla extract (to help cut the mayo scent) to dry, unwashed hair.
2. Wrap your head in a warm towel, and leave on for 20 minutes, allowing ingredients to penetrate.
3. Remove towel, and massage a handful of shampoo into your hair. This will help break down the excess oil, says Philip Berkovitz, founder of Philip B. hair products.
4. Rinse hair with cool water in the shower.
Rather save your mayo for a sandwich? Try one of these hair-care products worth a splurge.