Natural Hair Treatment, easy DIY hair mask, good for summer. Can be stored in the fridge for up to 2 weeks! You'll need: 1 can of coconut milk, 1 ripe avocado, 2 tbsp of honey, & 2 tbsp of olive oil. Blend it together until it looks like a smoothie. Leave it on head 2 to 3 hours, rinse, shampoo as usual.