Hair Styling Products and Hair Straightening/Waving Products
Outline of Hair Styling Products and Hair Straightening/Waving Products
1. Differentiation between Product Types
Hair Styling Products: Designed to hold and style hair.
Hair Straightening/Waving Products: Alter the hair's structure to achieve straight or wavy forms.
2. Classification in the US
Hair Styling Products: Classified as cosmetics.
Hair Straightening Products: May be classified as cosmetics
Hair Waving Products: Generally classified as cosmetics.
3. Negative Effects on Hair and Scalp
Hair Styling Products: Can lead to buildup and scalp irritation.
Hair Straightening/Waving Products: May cause damage, dryness, and scalp burns.
4. Required Cosmetic Qualities
Hair Styling Aids: Non-greasy, easy to apply, holds well without stiffness.
Hair Straightening/Waving Products: Safe formulation, effective performance, easy rinsability.
5. Required Technical Qualities
Hair Styling Aids: Consistency, stability, compatibility with hair types.
Hair Straightening/Waving Products: pH balance, temperature tolerance, and lasting effect.
6. Product Type Differences
Polymer-based: Uses synthetic polymers for hold.
Emollient-based: Relies on oils and fats for moisture.
7. Major Types of Ingredients
Polymer-based: Acrylics, Polyvinylpyrrolidone (PVP).
Emollient-based: Oils like coconut oil and silicones.
8. Product Examples
Polymer-based Products: Hair gels, hairsprays.
Emollient-based Products: Creams, serums.
9. Hair Waving/Straightening Methods
Temporary: Heated tools (e.g., curling irons).
Permanent: Chemical treatments that reshape hair structure.
10. Ingredients in Hair Waving Products
Types include surfactants, thioglycolates, and acids.
11. Permanent Hair Straightening Methods
Common methods include chemical straighteners and keratin treatments.
12. Quality Issues and Parameters
Quality Issues: Stability, irritation potential during use.
Quality Parameters: Appearance, odor, pH levels, viscosity tested via sensory analysis.
13. Performance Parameters
Hair Styling Products: Hold, shine, ease of rinsing tested through user trials.
Hair Waving Products: Curl permanence and definition tested through physical evaluation.
14. Safety Concerns with Ingredients
Concerns: Propellants (aerosol safety), Thioglycolate (skin irritation), Hydroxides (chemical burns), Formaldehyde (respiratory issues).
15. Packaging
Common containers include pumps, sprays, and jars for both styling aids and treatments.