19 citations
,
  May 2010   in “Surface and interface analysis”    18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.  
      January 2011   in “Journal of Society of Cosmetic Chemists of Japan”
           January 2011   in “Journal of Society of Cosmetic Chemists of Japan”    18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.  
               25 citations
,
  May 2019   in “Cosmetics”    18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.  
      April 2024   in “Research Square (Research Square)”
           April 2024   in “Research Square (Research Square)”    16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.  
      4 citations
,
  March 2014   in “PubMed”
           4 citations
,
  March 2014   in “PubMed”    Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.