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Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide

Bionics Program, Tokyo University of Technology Graduate School, Tokyo 192-0982, Japan
School of Bioscience and Biotechnology, Tokyo University of Technology, Tokyo 192-0982, Japan
Author to whom correspondence should be addressed.
Cosmetics 2018, 5(2), 39;
Received: 20 May 2018 / Revised: 9 June 2018 / Accepted: 19 June 2018 / Published: 20 June 2018
PDF [3123 KB, uploaded 20 June 2018]


Problems associated with bleaching hair include damage to the hair and the pungent smell of ammonium hydroxide. Many consumers dislike the stiffness and smell of bleached hair. In this study, we investigated the suppression of both the damage and pungent smell of bleach by using an aqueous solution of 2-amino-2-methyl-1,3-propanediol (AMPD) as an alkaline agent. The test results focused on scanning electron microscope observations, antioxidant activity and protein loss, and showed that the use of AMPD aqueous solution as an alkaline agent suppressed both hair damage and undesirable odor compared with the use of ammonium hydroxide. AMPD aqueous solution is considered more useful than ammonium hydroxide as an alkaline agent in the hair-bleaching process. View Full-Text
Keywords: hair bleach; cuticle; 2-amino-2-methyl-1,3-propanediol hair bleach; cuticle; 2-amino-2-methyl-1,3-propanediol

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Igarashi, K.; Maeda, K. Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide. Cosmetics 2018, 5, 39.

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