Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
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January 2011 in “Analytical Letters” The method quickly and accurately measures minoxidil in drugs, comparable to standard techniques.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
January 2025 in “Dermatology Research and Practice” The treatment effectively repairs and strengthens damaged hair by restoring natural lipids.