Journal of the Korean Society of Cosmetology 2012;18(2):353-359.
Published online April 30, 2012.
퍼머넌트 웨이브 시술시 잠용분 추출물이 모발에 미치는 효과
임혜자, 고경숙
Research Paper : The Effect of Pura Powder Extracts in the Permanent Wave Treatment
Hay Ja Lim, Kyoung Sook Ko
Abstract
This study performed permanent of applying Pura powder to damaged hair which density is 10%, 20% respectively with thioglycolic acid and a reducing agent as cysteine used in beauty shops. It analyzed the wave formation rate, hair cuticle, the tensile strength of hair, acidity, amino acids composition after conducting the permanent wave treatment. The results are as follows. The wave formation rate was high in TB3, CB3 which 20% concentration of Pura powder was added. The elimination and excitation of hair cuticle decreased and the tensile strength of hair and acidity increased as the concentration of Pura powder was higher. The amino acids composition of the comparison group H which hair was healthy increased when amino acids more than 65.49% was added. Especially, the amino acids values of TB3, CB3 which 20% concentration of Pura powder was added were 66. 43% and 69. 29% respectively. This study proved the fact that natural protein-rich Pura powder was able to determine the effect as the protector which increased the content of amino acids and decreased damaged hair.
Key Words: Pura powder, Wave formation, Hair cuticle, Tensile strength, Amino acid


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