A Method to Measure Oil Penetration into Hair and Correlation to Tensile Strength

    July 2022 in “ International journal of trichology ”
    Tanu Agrawal, Priyanka Sureka, Suman Majumder, Ritambhara Kr
    TLDR Type 3 hair oil strengthens hair more than coconut oil.
    The study developed a method to measure oil penetration into hair by assessing hair thickness and cohesive force, and explored its correlation to tensile strength. It compared Type 3 hair oil and coconut oil, finding that Type 3 hair oil led to a greater increase in hair thickness and a more significant reduction in cohesive force than coconut oil. Both oils improved tensile strength, but Type 3 hair oil had a more pronounced effect. The results suggest that measuring hair thickness and cohesive force can effectively indicate oil penetration, which positively influences hair strength.
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