7 citations
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January 2013 in “Journal of Cosmetics, Dermatological Sciences and Applications” This study found that incorporating Argania spinosa kernel oil and/or Theobroma grandiflorum seed butter into hair care formulations reduced protein loss in Caucasian hair dyed with an oxidative product.
5 citations
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May 2022 in “Fashion and Textiles” This study found that Argan oil conditioner significantly enhanced tensile strength and retained hair color in bleached hair more effectively than Camellia oil.
2 citations
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July 2022 in “PubMed” This study found that coconut oil clinically helps with brittle hair and hair infestation, while evidence for castor and argan oils improving hair growth or quality is weak.
1 citations
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October 2023 in “WORLD SCIENTIFIC eBooks” This study describes how the argan oil industry in southwestern Morocco, originally controlled by Amazigh women, has shifted to being largely dominated by the state and businessmen, with the majority of women now only involved in traditional nut cracking, despite mechanization of other production steps.
August 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This narrative literature review by Lustrao synthesizes existing research on six botanical ingredients used in Lustrao Hair Regrowth Oil, noting varying evidence levels with rosemary oil showing the clearest human clinical support for hair growth, particularly against minoxidil.