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At Philip Kingsley we adopt a holistic approach to hair care, understanding the importance nutrition plays in hair health. Hair needs a variety of different nutrients in order to grow to its full potential and our supplements provide the booster that is needed to ensure your hair grows long, strong healthy. Our four nutritional supplements, Tricho Complex, Root Complex, PK4 Soya Protein Boost and Biotin Boost, uniquely developed by our expert trichologists, can either be taken individually or together to give hair the ultimate healthy boost.