November 2010 in “Deleted Journal” This study reported that a newly formulated clear liquid shampoo with lavender oil may be effective and acceptable for dandruff control and overall hair and scalp hygiene, based on tests with twenty volunteers.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” This study developed analytical methods to better understand hair treatment with cosmetic formulations, revealing that active agents primarily adsorb on the hair surface during short washes.
Hair properties change under electromagnetic fields and are influenced by individual characteristics and the environment.
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April 2008 in “Journal of Dispersion Science and Technology” This study observed that including cationic minoxidil particles in a shampoo facilitated notable hair growth promotion despite a negative surface charge after rinsing, likely due to ionic interactions with the skin.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.