A good baseline for how often you should use coconut oil as a hair mask is 2-3 times a week, but feel free to experiment to see what works best for you!
Warm the coconut oil. Coconut oil is naturally harder than other oils, so if it’s solidified or not in liquid form when you first open the jar, don’t worry. You can melt it by taking a small amount of coconut oil in your hands and rubbing them together, or by scooping a spoonful into a pan and heating it until it starts to melt. To avoid product buildup, start with no more than a teaspoon.
Apply the coconut oil to dry hair. Use a wide-tooth comb to distribute the coconut oil through your hair. Start at the midsection of your hair, around where your ears are, and continuing to the ends of your hair for all-over moisturizing. If you’re concerned about hair loss or want to boost hair growth, you can also take a small amount in your fingertips and massage it on your scalp first before applying it to the midsection of your hair. You can also experiment by blending your oil with other ingredients, such as yogurt, honey, or lemon juice.
Leave on for 30 minutes–or overnight. For a quick deep conditioning hair treatment, apply your coconut oil before shampooing and conditioning your hair like you normally would. Simply leave it on for 30 minutes, then wash your hair like normal. Or, for an extra-hydrating hair mask, leave your coconut oil hair treatment in overnight–simply wrap your hair up in a shower cap before sleeping to make sure you don’t get it all over your pillow. Then, shower and shampoo when you wake up. You might have to rinse a few times to get all of the coconut oil out, but when you do, you’ll be left with silky, soft hair.