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2-in-1 shampoo technology: state-of-the-art shampoo and conditioner in one
H Rushton1, C L Gummer, H Flasch
1University of Portsmouth, UK.
Skin Pharmacology : the Official Journal of the Skin Pharmacology Society
|January 1, 1994
Summary
New 2-in-1 shampoo technology uses dimethicone in crystal lattices for effective hair cleaning and conditioning. This innovation avoids ingredient interactions and build-up, simplifying hair care routines.
Area of Science:
- Cosmetic Science
- Materials Science
- Chemical Engineering
Background:
- Consumer demand for combined shampoo and conditioner products is high.
- Conventional 2-in-1 formulations struggle with ingredient incompatibility (anionic surfactants and cationic conditioners).
- Existing technologies lead to poor performance and ingredient complexing, failing to meet consumer needs.
Purpose of the Study:
- To develop an effective one-step shampoo and conditioning solution.
- To overcome the challenges of ingredient interaction in combined formulations.
- To provide superior hair cleaning and conditioning comparable to separate products.
Main Methods:
- Incorporation of charge-neutral dimethicone conditioning agents.
- Suspension of dimethicone as microfine droplets within complex crystal lattices.
- Integration into anionic and amphoteric surfactant shampoo systems.
Main Results:
- Achieved complete cleaning and effective hair conditioning in a single application.
- Prevented charge interaction and complexing between surfactants and conditioners.
- Eliminated issues of sebum interaction and conditioner build-up.
- Dimethicone deposition occurs upon rinsing as crystalline lattices break.
Conclusions:
- The developed 2-in-1 shampoo technology successfully delivers both cleaning and conditioning.
- This innovation represents a significant advancement in hair care formulation.
- It has positively impacted consumer habits and hair care practices.