45 citations
,
February 2002 in “International Journal of Cosmetic Science” This study found that a ceramide derived from sphinganine can bind to African–American hair, reducing breakage when applied in a shampoo after relaxing treatments.
January 2012 in “Surgical & Cosmetic Dermatology” This study found that a dietary supplement improved hair strength and shine in participants with hair damage from breakage.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” This study found that adding certain conditioning agents, including jojoba oil and lauryl PEG/PPG‐18/18 methicone, to ammonium thioglycolate straightening emulsions protected Afro-ethnic hair from protein loss and improved resistance to breakage.
September 2003 in “Current Paediatrics” This article outlines how pediatric hair problems present and how they can be assessed, without reporting new research results.
42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” This study found that hair care formulations containing vegetable oils like Brazil nut and olive oil improved hair strength, shine, and combability more effectively than those with silicone.