Chemistry and formulation of para phenylenediamine based hair dye.

Para phenylenediamine is the chemical substance mostly used in preparation of permanent hair dye products.
Para phenylenediamine interact with penetrating the cuticle and bonding with the hair protein.
Safety considerations while using PPD hair dye.

1. Chemistry and formulation of para phenyl diamine-based hair dye P resented by- Ruchi B. Suryawanshi & Sakshi A. Karanjekar Subject Name- Cosmetic Science Guide Name- Chandrashekhar M. Chakole Bajiraoji Karanjekar College of Pharmacy, Sakoli, Dist.- BhandaraM.S . – 441802 Rashtrasant Tukadoji Maharaj Nagpur University

2. Contents Introduction to para phenyl diamine-based hair dye Chemical composition Factors affecting Hair dye performance Safety considerations Formulation consideration Future developments Conclusion

3. Introduction to para phenyl diamine based Hair dye Paraphenyl diamine (PPD) is a key ingredient in permanent hair dyes, providing vibrant and long-lasting color. This formulation is known for its effectiveness in covering gray hair and its wide range of color options. Para-phenylenediamine (PPD) is a common chemical compound used in hair dyes, particularly in permanent hair coloring products.

4. Chemical Composition of Paraphenyl Diamine

5. Para phenyl diamine interacts with hair by penetrating the cuticle and bonding with the hair protein. This chemical reaction results in the alteration of hair colour , providing long-lasting dyeing effects. Additionally, the interaction influences the texture and structure of the hair shaft . How does Para phenyl Diamine Interact with Hair?

6. Alkalizing Agents: These ingredients help to open the hair cuticle for better dye penetration. Conditioning Agents: They ensure the hair remains healthy, soft, and manageable after colouring . Emulsifiers: Essential for blending oil and water-based ingredients in the dye formula. The Role of Other Ingredients in Hair Dye Formulation

7. Factors Affecting Hair Dye Performance

8. Safety Considerations When Using Para phenyl Diamine Based Hair Dye

9. Comparison with Other Types of Hair Dye Para phenyl Diamine Based Hair Dye Vegetable-Based Hair Dye Temporary Hair Dye Bleach-Based Hair Dye Known for vibrant and long-lasting color results. Natural alternative made from plant-based ingredients. Non-permanent color options for experimenting. Lightens hair color by removing natural pigment. Mainly used for permanent hair coloring. Gentler on the scalp and hair strands. Easily washes out after a few shampoos. Often used as a pre-treatment for vivid color Applications. Contains paraphenyl diamine as the primary coloring agent. Provides subtle, semi-permanent color variations. Does not penetrate deeply into the hair cuticle. Requires careful application and maintenance.

10. Future Developments in Para phenyl Diamine-Based Hair Dye Technology Hair Dye Technology

11. Formulation considerations for hair dye manufacturers

12. Conclusion and summary of key points Effectiveness of Para phenyl Diamine Color Range and Customization Para phenyl diamine-based hair dye provides long-lasting color with vibrant results, making it a popular choice for consumers The formulation of para phenyl diamine allows for a wide range of color options and customizable shades to meet individual preferences. Interaction with Hair Texture Longevity and Fade-Resistant It effectively penetrates the hair shaft, providing even color distribution and full coverage, enhancing the natural texture of the hair. Para phenyl diamine-based hair dye offers excellent longevity and fade-resistant properties, maintaining color vibrancy over time.

13. Reference Nanda, S., Nanda, A., & Khar, R. (2022). Cosmetic Technology. Birla Publication. Mittal B. M., & Saha, R. N. (2000). A Handbook Of Cosmetics. Delhi: Delhi Vallabh Prakashan Pathak, K., Vaidya, A. (2019) Cosmetic Science concepts and principles. Nirali Prakashan , 5.23-5.26

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