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February 2022 Lavender scent in shampoo can relax and help with memory, while geranium scent can make you more alert and improve memory.
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
October 2025 in “Journal of the Endocrine Society” Finasteride lowers cholesterol but doesn't reduce heart-related events.
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
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January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.