1.모발구조
모표질에 있는 단백질인 Keratin 의 구조
Amino acid Chain 의 분자내 수소결합으로 인해 α-helix 구조를 이룸
제 1제
모표피층 팽윤
(염료와 과산화수소가
피질로 스며드는데 도움)
제 1제
Precursor + Coupler
제 2제
모피질 속 멜라닌을
파괴하여 탈색
Precursor 산화
paraphenylenediamine
Precurs
Ⅰ. 개요
요즘 외국 유학파의 젊은 사람들이 많이 진출하고 있는 추세이다. 아직까지는 꽃을 집에다 놓고 보는 저변 인구가 많지 않아 플로리스트가 설 땅이 많진 않으며, 꽃을 쓸 수 있는 행사도 그리 많지가 않다. 그러나 꽃과 식물은 가장 적은 돈으로 가장 훌륭한 효과를 낼 수 있는 소품이므로, 앞
1. Introduction - L'Oreal
1.1. History
In 1907, Eugène Schueller, a young French chemist, developed an innovative hair-color formula. He called his improved hairdye Auréole. With that, the history of L’Oréal began. Eugène Schueller formulated and manufactured his own products, which he then sold to Parisian hairdressers.
In 1909, Schueller registered his co
~ 2000 Years Ago – Sulfide nanocrystals used by Greeks and Romans to dyehair
~ 1000 Years Ago (Middle Ages) – Gold nanoparticles of different sizes used to produce different colors in stained glass windows
1959 – “There is plenty of room at the bottom” by R. Feynman
1974 – “Nanotechnology” - Taniguchi uses the term nanotechnology for the first time
1981
and others. Its consumer products consist of hairdyes, antidepilatory agents, ladies cleanser, wound pastes, condoms and oral care products such as mouthwash and toothpastes. Its functional food includes nutrition such as vitamin C powder and healthcare drinks. The Company distributes medicines, which are developed by the Company itself, to overseas markets such as Southeast Asia and Europe.