According to the Cosmetic Ingredients database , yogurt is a hair conditioner and a skin protector. Yogurt contains Lactic Acid which lowers the ph of our hair helping to smooth the cuticles. Lactic Acid is an humectant which helps to keep hair moisturised by attracting and holding onto water. Yogurt also contains Casein and Whey proteins which may help to strengthen the hair. When using Yogurt as a conditioner it's best to go for zero fat Greek yogurt with no added sugar. Extra ingredients such as oils can be added to help to coat the hair making it easier to detangle.
