The Best Hair Masks Hair is made of protein, so keeping a healthy diet is essential in maintaining luscious locks at the same time your hair will benefit from weekly treatments and create soft shiny locks. A good treatment will nourish, condition and strengthen your hair. A few of the best treatments on the market include Goldwell kerasilk instant silk leave in treatment, seven wonder moroccan treatment oil free from sodium lauryl and sulphates, parabens and methylparabens and is not tested on animals. Redken all soft heavy cream. Treatments should be left on the hair for 20- 30 minutes always follow instructions. A great natural hair treatment is to use a tablespoon of olive oil and two tablespoons of natural coconut oil mix together in a bowl and wrap in glad wrap for 30 minutes.